Lecture notes
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Table of Contents
- Preface
- 113105 Software development 1
-
- Getting started
- Language Fundamentals
- Statements
- Objects and Classes
- Core Classes
- Arrays
- Inheritance
- Error Handling
- Working with Numbers
interface
definitions andabstract
Classes- Application deployment I
- Reading character streams
- Collections
- Appendix
-
- Exercising past examinations
- Examination hints
- Examination bonus point projects
- Past Software Development 1 examinations
-
- SD1 examination winter 2023
- SD1 examination summer 2023
- Sd1 examination winter 2022
- SD1 examination winter 2021
- SD1 examination summer 2021
- SD1 examination winter 2020/1
- SD1 examination winter 2020/2
- SD1 examination summer 2020
- SD1 examination winter 2019
- SD1 examination summer 2019
- SE1 Klausur Winter 2018
- SE1 Klausur Sommer 2018
- Past Software Development 1 exam preparing tests
- Working with git
- Apache Maven
- List of Exercises
- Technical Documentation
- 113473 Database and application development
-
- Database features
- Selected database products overview
- JDBC: Accessing Relational Data
- JPA
- Project ideas
- List of Exercises
- Software defined Infrastructure
-
- UNIX / LINUX Basics
- Ubuntu / Debian Package management
- Cloud provider
- Getting started
- DNS
- LDAP
-
- Recommended Preparations
- Exercises
-
- Browse an existing LDAP Server
- Set up an OpenLdap server
- Populating your DIT.
- Testing a bind operation as non -
admin
user - Extending an existing entry
- Filter based search
- Accessing LDAP data by a mail client
- LDAP configuration
- LDAP based user login
- Backup and recovery / restore
- Accessing LDAP by a Java™ application.
- Apache web server
- File cloud
- Network file systems served by Samba
- Docker
- Icinga
- List of Exercises
- Persistence strategies and application development
- Bibliographic links
- Glossary
List of Figures
- 1. How much time to invest?
- 2. Recommended reading resources I
- 3. Recommended reading resources II
- 4. Your biggest enemies
- 5. German humour
- 6. 4 most imperative study objectives
- 7. Online tutorials
- 8. Unix and the terminal
- 9. Online programming, automated feedback
- 10. Online programming I
- 11. Online programming II
- 12. Java Visualizer
- 13. Live lecture additions
- 14. Remote lecture participation
- 15. Virtualbox / VMware player based virtualized Linux image
- 16. Virtualbox™ settings
- 17. Intellij IDEA IDE
- 18. Embedded exercises
- 19. Using the exercises
- 20. HdM mail server
- 21. Configure MI VPN client access
- 22. MI Cloud server
- 23. MI File server
- 24. MI Git versioning server
- 25. Coached exercises
- 26. Bonus points
- 27. Seminar rules and bonus points
- 28. Presenting exercise solutions
- 29. Edit - compile - execute
- 30. Editing Java™ files
- 31. Defining class
HelloWorld
- 32. Compiling Java™ file
- 33. Command line Java™ file compilation
- 34. Java byte code file
HelloWorld.class
- 35. Source code vs. bytecode
- 36. Executing byte code file
HelloWorld.class
- 37. Command line byte code file
HelloWorld.class
execution - 38. JDK™ installation options
- 39. Getting first Java™ impressions
- 40. Intellij IDEA installation
- 41. Idea »Ultimate« license types
- 42. Alternative: Using the HdM license server
- 43. Creating a new Java project
- 44. Manual calculation: Abacus
- 45. Mechanical calculation: Cash register
- 46. Electromechanical calculation: Zuse Z3
- 47. Vacuum Tube: Eniac
- 48. Transistor: Microprocessor ICs
- 49. Z80 8-bit data bus
- 50. Progress in hardware 1
- 51. Progress in hardware 2
- 52. Simple facts:
- 53. Unsigned 3 bit integer representation
- 54. Binary system addition
- 55. 3 bit two-complement representation
- 56. 3 bit two complement rationale: “Usual” addition
- 57. Signed 8 bit integer binary representation
- 58. 7-bit ASCII
- 59. 7-bit ASCII with even parity bit
- 60. Western European characters: ISO Latin 1 encoding
- 61. Unicode UTF-8 samples
- 62. Java types
- 63. Java primitive types, Part 1
- 64. Java primitive types, Part 2
- 65. Variables: Handles to memory
- 66. Variable declaration
- 67. Declare, assign and use
- 68. Combining declaration and initialization
- 69. Multiple variables of same type
- 70. Identifier in Java™:
- 71. Identifier name examples:
- 72. Java™ keywords.
- 73. Variable naming conventions
- 74. Constant variables
- 75. Case sensitivity
- 76. Define before use
- 77. Type safety
- 78. Compile time analysis
- 79. Forcing conversions
- 80. Watch out!
- 81. Casting long to int
- 82. Don't worry, be happy ...
- 83. ... and watch the outcome
- 84. From the report
- 85. Maximum and minimum values
- 86. Dynamic typing in PERL
- 87. Dynamic typing in PERL, part 2
- 88. Using final
- 89. Two categories of variables
- 90. Reference type examples
- 91.
float
anddouble
- 92. Four ways representing 35
- 93. Choose your output representation
- 94. Know your limits!
- 95. Literal examples
- 96.
int
literals - 97.
int
literals explained - 98. Java™ primitive literals
- 99. Java™
String
andnull
literals - 100. Just kidding ...
- 101. Strange things I
- 102. Strange things II
- 103. Arithmetic overflow pitfalls
- 104. Limited precision
- 105. Nearest
float
to 2.1 - 106.
FloatConverter
- 107. Widening from
byte
literal toshort
- 108. Narrowing from
int
literal tochar
variable - 109. A widening «ladder»
- 110. A narrowing «ladder»
- 111. The binary plus operator
- 112. Binary operator output type
- 113. Detecting arithmetic overflow (Java 8+)
- 114. Dividing by zero
- 115. Generic binary operator
- 116. The modulus operator
%
- 117. Binary operator type examples
- 118. No binary + operator yielding
byte
- 119.
int
expression assignment - 120. Constant expression assignment
- 121. The logical “and” operator
&
- 122. The
+=
operator - 123. The
&=
operator - 124. Assignment operators #1 / 2
- 125. Assignment operators #2 / 2
- 126. Increment operator
++
- 127. Different range behaviour!
- 128. Cast required
- 129. Prefix and postfix notation
- 130. Operator examples
- 131. Java™ comment flavors
- 132. Inline comments
- 133. Javadoc™ comments
- 134. Statements: General syntax
- 135. Statement examples: Declaring and assigning variables
- 136. Expression vs. statement
- 137. Multiple statements per line
- 138. Debugging multiple statements per line
- 139. Blocks
- 140. Conditional block execution
- 141.
if
syntax - 142.
if
...else
- 143.
if ... else
syntax - 144. Best practices comparing for equality
- 145. Single statement branches
- 146. Nested
if ... else
- 147. Enhanced readability:
if ... else if ... else
- 148.
if ... else if ... else
syntax - 149. User input recipe
- 150. Using a
Scanner
class collecting user input. - 151. Converting numbers to day's names
- 152. Numbers to day's names: The hard way
- 153. Better: Using
switch
- 154.
switch
Syntax - 155. Switching on strings
- 156. Allowed types for
switch
statements - 157. Why loops?
- 158. Arbitrary number of repetitions
- 159. A
while
loop - 160. Combining increment and termination condition
- 161.
while
syntax - 162. Empty
while
body - 163. A
do ... while
loop - 164.
do ... while
syntax - 165. Frequent usage of
while
- 166. Replacing
while
byfor
- 167.
for
syntax - 168.
for
variable scope - 169.
for
variable scope equivalence - 170.
for
vs. while relationship - 171. Nested loops 1
- 172. Nested loops 2
- 173. Better readability: Use
row
andcolumn
in favour ofi
andj
- 174. Calculating values
- 175. Response to coding errors
- 176. Unit test concept
- 177. alarmClock(...) with errors
- 178. Testing alarmClock(...)
- 179. Testing alarmClock(...) details
- 180. Instances of a Class
- 181. General class structure
- 182. What's a class anyway?
- 183. Rectangle objects
- 184. A class describing rectangles
- 185. Rectangle class and instances
- 186. Generated diagrams
- 187. The
new
operator: Creating rectangle instances - 188. Syntax creating instances
- 189. Assigning attribute values to class instances
- 190. Instance memory representation
- 191. References and
null
- 192. Checking for object presence
- 193. Why packages ?
- 194. Rules and conventions
- 195. Fully qualified class name vs.
import
- 196. Don't be too lazy!
- 197. Special: Classes in package java.lang
- 198. Class, package and file system
- 199. Source hierarchy view
- 200. Object methods
- 201. Scaling a rectangle
- 202. Scaling method implementation
- 203. Scaling method signature
- 204. Using the
scale(...)
method - 205. Method definition syntax
- 206. A rectangle's perimeter
- 207.
getPerimeter()
method implementation - 208. Using
Rectangle
.getPerimeter()
- 209. Access control: Overall objectives
- 210. Example: Implementing time and date
- 211. Access violation
- 212. Access rules
- 213. “Tips on Choosing an Access Level”
- 214. Direct access vs. setter method
- 215. Why adding setter methods?
- 216. Implementation by minutes only
- 217. Defining type signatures
- 218. Type signature examples
- 219. Defining method signatures
- 220. Method signature examples
- 221. Method overloading: Same name, different signature
- 222. Overloading, alternate names
- 223. No overloading in »C«
- 224. »C« requires unique function names
- 225. No distinction on return type
- 226. Method signatures rationale
- 227. Method signatures rationale
- 228. Example: System.out.print(...)
- 229. Creating and initializing rectangles
- 230. Defining a constructor
- 231. Constructor syntax
- 232. Constructors
- 233. Multiple overloaded constructors
- 234. Constructor calls within constructor
- 235. Instances by overloaded constructors
- 236. No constructor vs. default constructor
- 237. Non - default constructor, but no default constructor
- 238.
Employee
example package hierarchy - 239.
Circle
and variable scopes - 240.
Documenting classes and methods
- 241.
Generated Javadoc
- 242.
Refactoring «r» ⇒ «radius»
- 243.
Scope assignment problem
- 244.
this
overriding method scope - 245. Why do we require an instance?
- 246. Solution: Replace instance method by class method using static
- 247. Club membership objectives
- 248. Step 1: Implementing club member names.
- 249. Showing membership info.
- 250. Step 2: Adding membership numbers.
- 251. Showing membership numbers.
- 252. Member creation steps
- 253. Accessing the club's overall member count?
- 254. Accessing the club's member count
- 255. Syntax accessing class members
- 256. static / non-static wrap up
- 257. Finally understanding
System.out.print(ln)
- 258. Newton's letter to Robert Hooke
- 259. Why Maven project management?
- 260. Example: Creating PDF using iText7
- 261. Maven iText library pom.xml definition
- 262. Class location in iText library
- 263. Class location in iText library
- 264. Maven repositories
- 265. Maven archetypes
- 266. Project «lottery» depending on «helper»
- 267. Providing project «helper»
- 268. Install project «Common»
- 269.
helper-0.9.jar
archive content - 270. Consuming project «Lottery»
- 271. External libraries view
- 272. Using Helper.factorial(...) computing
- 273. Maven artifact dependency.
- 274. CLI example
- 275. Supplementary MI Maven archetypes
- 276. CLI testing mi-maven-archetype-quickstart
- 277. CLI archetype details
- 278. Generated project layout
- 279. Maven compile
- 280. Compilation file view
- 281. Execution
- 282. Maven package
- 283. Executing Java™ archive
first-0.9.jar
- 284. Maven
javadoc:javadoc
- 285. Maven clean
- 286. Intellij IDEA Maven support
- 287. Adding MI Maven server
- 288. New MI archetype project
- 289.
pom.xml
content changes - 290. Intellij IDEA generating Javadoc™
- 291. Pascal's triangle representing binomial coefficients.
- 292. An implementation sketch for the exponential
- 293. Comparing exponential and approximation
- 294. Comparing sin(x) and its approximation.
- 295. Recommended reading
- 296. Test categories
- 297. Example: Computing prime numbers
- 298. Unit test principle
- 299. Test driven development
- 300. Steps in Unit Testing
- 301. Step 1 + 2: Specify method, write skeleton
- 302. Execution yet being flawed
- 303. Sample test data
- 304. Step 3: Junit based specification test
- 305. Junit skeleton test result (Maven CLI)
- 306. Junit skeleton test result (IDE)
- 307. Step 3: Providing more prime tests
- 308. Step 3: Prime mass testing
- 309. Step 4: Implement skeleton
- 310. Step 5: Testing our first implementation
- 311. Implementation observation
- 312. Changing the implementation
- 313. Regression test
- 314. Systematic error debugging
- 315. Error correction in detail
- 316. Available comparison methods
- 317. Caution comparing
float
/double
!! - 318. Weird arithmetics?
- 319. Limited representation precision
- 320. Solving the issue
- 321. The
@Test
annotation - 322. The
Assert
class - 323. Importing dependencies
- 324. Dependency archive content
- 325. Value vs. reference type variables
- 326. Different behaviour!
- 327. Value variable Details
- 328. Reference variable Details
- 329. Only «call-by-value» in Java™
- 330. «call-by-value» details
- 331. «call-by-reference» for objects?
- 332. «call-by-reference» details
- 333. No «call-by-reference» in Java™!
- 334. No «call-by-reference» details
- 335. C++ offers «call-by-reference» by virtue of “&”
- 336. C++ «call-by-reference» details
- 337. Method calling
- 338. Three variable scopes
- 339. Scope lifetimes
- 340. Two runtime memory categories
- 341. Stack: Four operations
- 342. Example: Storing integer values
- 343. Method calling
- 344. Call stack trace
- 345. IDE debugger
- 346. Motivation
- 347. Weekly offered lectures
- 348. Weekly offered lectures by simple numbers
- 349. Weekdays
int
representation - 350. Weekly offered lectures using constants
- 351. Converting index values to day names
- 352. Providing lecture info
- 353. Sample lectures
- 354. Bogus index value
- 355. Pitfall: Method argument order mismatch
- 356. Enumeration by class instances
- 357. Class instance per enumeration value
- 358.
switch
no longer works - 359. Re-writing
getPrice()
- 360. Compile time argument mismatch error
- 361. Pitfall: Creating an undesired instance
- 362. Define a
private
Day
constructor - 363. Preventing undesired
Day
instance creation - 364. Adding a day name attribute
- 365.
enum
Day
replacingpublic class Day
- 366.
switch
statements working again - 367.
enum
constructor being implicitlyprivate
- 368. From
https://www.urbandictionary.com
- 369. Useful links
- 370. Initialize git project
- 371. Configure author related data.
- 372. Adding resources to project index and staging area
- 373. Committing change set
- 374. Project versioning status
- 375. Adding a comment
- 376. git diff tracing changes
- 377. Reverting individual file.
- 378. Compiling,
Math.class
andPrint.class
. - 379.
Math.class
,Print.class
and versioning. - 380. Show project's log
- 381. Switch to an older revision ...
- 382. ... and forth to current master's HEAD
- 383. Centralized remote repository
- 384. Step 1: Create remote repository
- 385. Step 2: Retrieve remote repository address
- 386. Step 2: Connect to remote repository
- 387. Step 3: Push local to remote
- 388. Step 3: Pull remote to local
- 389. Alternative: Create remote, then clone
- 390. Conflicting changes
- 391. Commit schedule
- 392. User B: git push fails
- 393. User B: git pull fails as well
- 394. Merge conflict details
- 395. Struggling for resolution
- 396. Merging
Print.java
manually - 397. Commit and push merge
- 398. Superclass
Object
- 399. String literals
- 400. OpenJDK String implementation
- 401. String copy constructor
- 402. Copy constructor and heap
- 403. Operator == and
equals()
- 404. Remarks
==
vs.equals()
- 405. Operator == and
equals()
implications - 406.
equals()
is being defined within respective class! - 407. Hashing principle
- 408. Quickly identify by “simple” value
- 409. Hashing in Java and
equals()
- 410.
Rectangle
equals(...)
andhashCode()
- 411.
Rectangle
hash values - 412.
Better
hashCode()
method - 413.
Math
.sin(double x)
- 414. Motivating Arrays
- 415. Per member repeating tasks
- 416. Example:
int
array of primes - 417. Loop prime values
- 418. Mind the limit!
- 419. Safer: Using
length
- 420. Even better: “for-each” style loop
- 421. Mind the limit, part two
- 422. Primitive data one step initialization
- 423. Reference data one step initialization
- 424. Array
- 425. Two syntax variants
- 426. Array instances are special!
- 427. Array creation details
- 428. Array parameter passing
- 429. Parameter passing details
- 430. Value and reference types
- 431.
Arrays
.toString(...)
andArrays
.sort(...)
- 432.
Arrays
.binarySearch(...)
- 433.
Arrays
.fill(...)
- 434.
Arrays
.copyOfRange(...)
- 435.
Arrays
.equals(...)
- 436. Lack of extendability
- 437. Extending an array
- 438. Extension result
- 439. Using
Arrays.copyOf()
- 440.
public static void main(String[] args)
- 441. Intellij IDEA run configuration
- 442. Intellij IDEA run configuration
- 443.
Creating executable jar
- 444.
Two-dimensional arrays
- 445.
Behind the scenes
- 446.
Memory allocation
- 447.
Static array initialization
- 448.
Static array initialization, variable lengths
- 449. Two Tic-tac-toe players fighting each other.
- 450. Two Tic-tac-toe players fighting each other.
- 451. Guess who's inheriting the money
- 452. Biology and inheritance
- 453. Duplicate code
- 454. Idea: Centralize common code
- 455. Common and specific properties
- 456. Basic shape inheritance
- 457. Inheritance
- 458. Implementing
Shape
hierarchy - 459. Creating instances
- 460.
Shape
constructor - 461. Creating
Rectangle
instances - 462.
Rectangle
constructor - 463.
Shape
.equals()
- 464.
Rectangle
.equals()
- 465. Printing a
Shape
's info - 466. Overwriting
toString()
- 467.
Shape
extendingObject
- 468. Logging
Rectangle
instances - 469. Override
toString()
in classRectangle
. - 470.
Rectangle
extendingShape
- 471. Implementing
Circle
.toString()
- 472.
Shape
andtoString()
- 473. Moving
Shape
instances - 474. Implementing
Shape
movements - 475. Fools are everywhere!
- 476. Solution: final prevents overriding
- 477. Calculating a shape's area
- 478. Desired: Polymorphic
getArea()
call - 479. Problems:
- 480.
abstract
methodgetArea()
- 481.
abstract
methodgetArea()
- 482. What's a “shape” anyway?
- 483. No instances of
abstract
classes. - 484. Mandatory
getArea()
implementation. - 485. Facts about
abstract
fields, methods and classes. - 486. Moving shapes
- 487.
protected
access - 488.
final
classes - 489.
final
classes rationale - 490. “Defeating” polymorphism
- 491. Defining
equals(...)
: Expectations - 492. Defining
equals(...)
ofShape
instances - 493. Comparing center coordinates
- 494. Implementing
Rectangle
.equals()
- 495. Implementing
Circle
.equals()
- 496. Testing equality of
Shape
objects - 497. Overriding Object.toString()
- 498. @Override: Easy compile time error detection
- 499. Compile- and runtime errors
- 500.
NullPointerException
(NPE for short) - 501.
NullPointerException
is a class - 502. Throwing an exception
- 503. Catching an exception by
try {...} catch {...}
- 504.
try {...} catch {...}
syntax - 505. Checked and unchecked exceptions
- 506. Checked and unchecked exceptions
- 507. Expected exceptions in Junit
- 508. Just
finally
, nocatch
- 509.
try-with-resources
(Java™ 7) - 510. Scanner implementing
AutoCloseable
- 511. No
close()
method in e.g.class
String - 512. Method
printStackTrace()
- 513. Ascending inheritance ordering
- 514. Descending inheritance ordering
- 515. Implementing
convert
- 516. Problem: “Silent” errors
- 517. Step 1: Find exception base class
- 518. Step 2: Derive
CardinalException
- 519. Step 3: Throwing
CardinalException
- 520. Step 4: Unit test throwing
CardinalException
- 521.
Stack
of integer values - 522. Java™ collection features
- 523. Behind the scenes
- 524. Boxing and unboxing
- 525. Boxing syntax comparison
- 526. Parsing
Integer
user input - 527. Parsing binary representation
- 528. Standard parse methods
- 529. Excerpt from
java.util.Locale
- 530.
Locale
properties - 531. Get a
NumberFormat
instance - 532. Create a custom formatter
- 533. Polymorphic number parsing
- 534. Limited
float
precision - 535. Limited
double
precision - 536. Using
BigDecimal
- 537. Chaining
BigDecimal
operations - 538.
BigDecimal
features - 539. Using
static double random()
- 540. Seeding a pseudo random generator
- 541. Interface examples
- 542. Observations
- 543. Writing strings to file
- 544. Using
Text2File
- 545. Possible
Text2File
errors: - 546. Employ “try-with-resources”
- 547.
interface
syntax - 548. The
AutoCloseable
promise - 549.
abstract
class replacement - 550.
interface
vs.abstract
class - 551.
interface
MyAutoCloseable
- 552. Extending
MyAutoCloseable
to flush - 553. Using
MyFlushable
- 554. Inheritance hierarchy
- 555. Upcoming topics
- 556. Interfaces implemented by class
String
- 557. The
Comparable
interface - 558. class
String
andComparable
- 559. Comparison examples
- 560. Ascending and descending names
- 561. API requirements
- 562. Sorting strings alphabetically
- 563. Situation dependent sorting criteria
- 564. Implementing flexible sorting
- 565.
Comparator
in action - 566.
Case insensitive sort
- 567.
Sort descending by lambda expression
- 568. What's the use of hashing anyway?
- 569. Account hierarchy
- 570. Students and lecturers
- 571. An array of strings
- 572. An associative array describing month lengths
- 573. Grouping towns by country names
- 574. Exam training by Guacamole
- 575. Environment hints:
- 576. Preparing an examination
- 577. Generating Javadoc™.
- 578. Programming hints
- 579. The implement - test - implement cycle
- 580. Finishing the exam
- 581. Personal examination cheat sheets
- 582. Unit tests in examinations
- 583. Example interface definition
- 584. Corresponding test
- 585. Don't cheat!
- 586. Unit tests strategy in examinations
- 587. Collaborative efforts
- 588. Project rules
- 589. Internal code documentation
- 590. Internal code documentation hints
- 591. Javadoc™ mismatches
- 592. (Automated) tests
- 593. Deployment and execution
- 594. Marking criteria
- 595. Sample forecast session
- 596. Sample forecast invocation
- 597. Underlying data provider
- 598.
cities.list.json.gz
providing cities - 599. ma/Copy URL result to file
- 600. Parse city data
- 601. Parse weather data
- 602. Requirements
- 603. Logging
- 604. Minimalist token scanner
- 605. Scanner output
-1.34 0.34 + sqrt
- 606. Adding error detection
- 607. Error message
- 608. Running the currency converter terminal application.
- 609. Steps creating a new project
- 610. Creating a project at MI gitlab
- 611. Cloning a git project
- 612. Enter project folder, add
Readme.md
- 613. Committing change set
- 614. Push to upstream repository
- 615. Inserting a Maven project
- 616. git status 1
- 617. Adding Maven files to repository
- 618. git status 2
- 619. Commit Maven project files
- 620. git status 3
- 621. Push to upstream again
- 622. Reverting changes
- 623. Pull changes from upstream
- 624. Maven: Recommended reading
- 625. What is Maven anyway?
- 626. Maven: Facts and benefits
- 627. Convention Over Configuration
- 628. Maven project layout
- 629. The project object model file
- 630. pom.xml characteristics
- 631. pom.xml vs. Makefile
- 632. «Hello, world» pom.xml
- 633. Executing «compile» phase
- 634. Examining the Java™ version culprit
- 635. Resolving encoding / Java™ version issues
- 636. POM inheritance
- 637. The Super POM
- 638. pom-4.0.0.xml content
- 639. Favour https in
~/.m2/settings.xml
- 640. Resolving to effective pom.xml
- 641. Plugin architecture
- 642. Sample plugins
- 643. Example: The
maven-javadoc-plugin
- 644. Adding test capabilities
- 645. Dependency listing
- 646. Absence of hamcrest in
pom.xml
- 647.
~/.m2/repository/junit/junit/4.12/junit-4.12.pom
- 648. Transitive dependencies
- 649. Oblivious to test implementation: TestNG
- 650. Phases
- 651. Maven lifecyles and phases
- 652. hooking into phase
- 653. Why XML based publishing?
- 654. XML features
- 655. Editors, compositors, designers ...
- 656. Promises in publishing
- 657. Publishing reality
- 658. Single source publishing
- 659. Separating Structure, content and format
- 660. Separating concerns
- 661. Content
- 662. Hierarchical structure
- 663. Hierarchical structure, XML source
- 664. Presentation
- 665. Example 1: HTML 5, pure structure
- 666. Example 2: TeX / LaTeX
- 667. Separating structure and presentation(s)
- 668. Sample technical document
- 669. Observations
- 670. Pros and cons of TeX / LaTeX
- 671. Tools of the trade
- 672. Inline formatting
- 673. Paragraphs
- 674. Lists
- 675. Tables
- 676. Images
- 677. Mathematical formulas
- 678. Cross references
- 679. Document sectioning
- 680. Modular document components
- 681. What is Docbook?
- 682. Authoring and publishing
- 683. Document representation
- 684. Software centric schema
- 685. Document targets
- 686. Docbook components
- 687. Target format overview
- 688. Tooling / Software
- 689. Different schema languages
- 690. Plain HTML
- 691. Web help
- 692. Eclipse help
- 693. Printed output
- 694. Paragraph
- 695. Itemized list
- 696. Ordered list
- 697. Glossary list
- 698. Nested lists
- 699. Reference
- 700. A table
- 701. A MathML equation
- 702. A TeX equation
- 703. Reference
- 704. Figure
- 705. Image map + calloutlist
- 706. Video
- 707. A warning
- 708. Reference
- 709. Recursive sections
- 710. Non-recursive sections
- 711. Two different link flavours
- 712. Choosing a top level element
- 713. Allowed 5.1 top level elements
- 714. Schematron on top of RelaxNG
- 715. Example:
xml:id
and permalink - 716. Using Display #Anchors
- 717. Considerations author based permalink
- 718. Schematron permalink rule
- 719. HTML customization overview
- 720. Target specific configuration
- 721. Link stability
- 722.
use.id.as.filename = 1
- 723. Parameter: use.id.as.filename
- 724. Customization parameter ulink.target
- 725.
callout.unicode
/callout.graphics
- 726. Links
- 727. Hooking into XSL
- 728. Categories
- 729. Example: videos
- 730. Links
- 731. Customize by CSS
- 732. Example CSS modifications
- 733. Styling the editor
- 734. Motivating modular documents
- 735. Monolithic document problems
- 736. Document decomposition
- 737. A monolithic document
- 738. Decomposing documents
- 739. XML grammar defining languages
- 740. Address list schema
- 741. Format conversion problem
- 742. XSL template rules
- 743. Example: Formatting
<title>
elements - 744. Basic FO introduction
- 745. XMLMind Editor
- 746. Oxygenxml Author
- 747. Vendor links
- 748. Inverse editing
- 749. Document representation
- 750. Components
- 751. BibTeX
- 752. Makeindex example
- 753. Makeindex work flow
- 754. Extension example: MusiXTeX
- 755. Flavours
- 756. Components
- 757. Editors
- 758. reveal.js authoring tools: Principle
- 759. reveal.js features #1 of 3
- 760. reveal.js features #2 of 3
- 761. reveal.js features #3 of 3
- 762. reveal.js observations
- 763. Authoring tool project goals
- 764. Principle
- 765. Required / to be acquired skills
- 766. Principle
- 767. Codingbat: Desired features
- 768. Desired features
- 769. CRUD operation
- 770. Query
- 771. Schema
- 772. Procedures / triggers
- 773. Transactions / recovery
- 774. Data access control
- 775. API support
- 776. Installing Docker
- 777. Why LDAP?
- 778. LDAP introduction
- 779. Running a Docker container
- 780. Using docker-compose
- 781. Installing Apache Directory Studio
- 782. Administrator access to your DIT
- 783. Administrator access to your server's data tree
- 784. Administrator access to your server's configuration
- 785. Terminology
- 786. Adding an entry
- 787. Adding a new attribute
- 788. Replacing an attribute value
- 789. Deleting an attribute entirely
- 790. Multi valued attributes
- 791. Set semantics of multivalued attributes
- 792. Deleting selected attribute values
- 793. Query scope
- 794. Query filter
- 795. Schema support
- 796. Implementations
- 797. Implementations
- 798. Exercises
- 799. Why MongoDB?
- 800. Running a Docker container
- 801. Using docker-compose
- 802. Manual user creation (mongo-init.js fail)
- 803. Log in as user explorer
- 804. Using IntelliJ
- 805. Idea show all databases
- 806. Terminology / Hierarchy
- 807. Adding a document
- 808. Updating attributes
- 809. Deleting a document
- 810. Deleting multiple documents
- 811. Multi valued attributes
- 812. Set semantics of multivalued attributes
- 813. Deleting selected attribute values
- 814. Deleting an attribute
- 815. Query filter
- 816. Schema validation support
- 817. Violating required field
- 818. Schema types
- 819. Enforcing unique keys
- 820. On the downside
- 821. Implementations
- 822. Implementations
- 823. Sharding rationale
- 824. Sharding rationale
- 825. Exercises
- 826. Prerequisite knowledge
- 827. Persistence [Bauer2015]
- 828. Java™ transient instances
- 829. RDBMS persistent records
- 830. Persisting transient
User
instances - 831. Observations
- 832. Networking between clients and database server
- 833. JDBC™ features
- 834. JDBC™ in a three-tier application
- 835. JDBC™ connecting application server and database.
- 836. JDBC™ connection parameter
- 837. Components of a JDBC™ URL
- 838. IETF Uniform Resource Identifier
- 839. URL examples
- 840. Sub protocol examples
- 841. No standard port assignments ...
- 842. ... but Postgresql made it into Linux
- 843. JDBC™ architecture
- 844.
DriverManager
: Bootstrapping connections - 845. Example: Mysql connection implementation
- 846. Driver libraries
- 847. Driver libraries by Maven
- 848. Driver unavailable
- 849.
Connection
interface - 850.
Statement
interface - 851. JDBC™ instances and relationships.
- 852. Important
Connection
methods - 853. Important
Statement
methods - 854. JDBC™ and threading.
- 855. JDBC™ connection pooling
- 856.
pom.xml
driver runtime scope - 857.
Person
table - 858. Objective: insert person record
- 859. JDBC™ backed data insert
- 860. Result
- 861. Two JDBC™ configurations
- 862. Figure 859, “JDBC™ backed data insert ” deficiencies
- 863. Why properties?
- 864.
message.properties
string externalization - 865. Properties code sketch
- 866. Intellij IDEA settings, preconditions
- 867. Database related unit test phases
- 868. Implementing unit tests
- 869. Spring is your friend
- 870. Project layout
- 871. Closing connections
- 872. Employ
AutoCloseable
- 873. Sniffing a JDBC™ connection by an intruder.
- 874. Setting up Wireshark
- 875. Capturing results
- 876. Mysql™ security
- 877. Mysql™ security
- 878. Assembling SQL
- 879. SQL injection principle
- 880. Preventing traffic tickets
- 881. Trouble at school
- 882. SQL injection impact
- 883. SQL injection relevance, [Clarke2009]
- 884. Handling injection attacks, part 1
- 885. Handling injection attacks, part 2
- 886. Input filtering
- 887. Validating user input prior to dynamically composing SQL statements.
- 888. Error message being presented to the user.
- 889. SQL statements in Java™ applications get parsed at the database server
- 890. Two questions
- 891. Addressing performance
- 892. Addressing performance mitigation
- 893. Restating the SQL injection problem
- 894. Solution: Use
java.sql.PreparedStatement
- 895.
PreparedStatement
principle. - 896. Three phases using parameterized queries
- 897.
PreparedStatement
example - 898. Injection attempt example
- 899. Limitation: No dynamic table support!
- 900. JDBC™ read and write
- 901. Server / client object's life cycle
- 902. JDBC™ record container
- 903. Reading data from a database server.
- 904. Names and birth dates of friends
- 905. Accessing friend's database records
- 906. Important
ResultSet
states - 907. JDBC™ to Java™ type conversions
- 908. Java™ to JDBC™ type conversions
- 909. Error prone type accessors!
- 910. Polymorphic accessor
- 911. Access by column name
- 912. Access by column index
- 913. Problem:
null
value ambiguity - 914. Resolving
null
value ambiguity - 915. Problem: Dynamic driver configuration
- 916. Shim driver (facade)
- 917. Users and groups
- 918. Isolation level
- 919. JDBC™ Isolation level
- 920. Setting the isolation level
- 921. Reasons for using Maven
- 922. Transitive dependencies
- 923. A basic
persistence.xml
JPA configuration file. - 924. JPA persistence provider
- 925. Mapping
hibintro.v1.model.User
instances to a database. - 926. A basic
User
class. - 927. Mapping properties to attributes.
- 928. Annotating integrity constraints
- 929. Database schema mapping instances of
hibintro.v1.model.User
. - 930. Loading a single object by a primary key value.
- 931. Retrieving
hibintro.v1.model.User
instances by HQL. - 932. Business rules for projects
- 933. Persistence related object states
- 934. Introducing inheritance mapping
- 935. Modelling payment.
- 936. A single relation mapping.
- 937. Mapping the inheritance hierarchy.
- 938. Inserting payment information
- 939. Figure subclasses
- 940. Joined subclass mapping.
- 941. Implementing
Object.equals(Object)
by natural keys - 942. JPA caches.
- 943. Common project steps #1/3
- 944. Common project steps #2/3
- 945. Common project steps #3/3
- 946. UNIX grep sample
- 947. Database grep requirements
- 948. Connection profile handling
- 949. Search level specification
- 950. Property based searches
- 951. Shell / Bash
- 952. Secure Shell
- 953. Working with files
- 954. Gathering network related information
- 955. Handle processes
- 956. vim text editor introduction
- 957. Creating a ssh public/private key pair
- 958. Configuration file permissions on windows network file systems
- 959. Resulting permissions and configuration test
- 960. Suggested readings:
- 961.
.deb
packages - 962. The dpkg command
- 963. The apt command
- 964. Rationale using PPA's
- 965. Preliminary: Create an ssh key pair
- 966. Create a Hetzner account
- 967. Access your project space
- 968. Create a server
- 969. Access your server
- 970. Update and reboot
- 971. Install a web server
- 972. Check local http web access
- 973. External http web access
- 974. Add port 80 / http firewall rule
- 975. Cleaning up!
- 976. What's it all about?
- 977. Terraform resources
- 978. Hetzner API token
- 979. Minimal Terraform configuration
- 980. Terraform init
- 981. Terraform plan
- 982. Terraform apply
- 983. Credentials by E-Mail
- 984. Problems: 😟
- 985. ssh access, firewall
- 986. ssh access, public key
- 987. Apply ssh key access
- 988. Output data details #1/2
- 989. Output data details #2/2
- 990. Problem 2: VCS and visible provider API token 😱
- 991. Solution
- 992. Duplicate known_hosts entry on re-creating server
- 993. ssh-keygen generating an elliptic key
- 994. Result of ssh-keygen execution
- 995. Extended ACLs, ways too open
- 996. Revoking permissions using setfacl
- 997. Corrected permissions
- 998. Logging in
- 999. Documentation links
- 1000. DNS query commands
- 1001. DNS forward lookup
- 1002. Display A-record result only
- 1003. Important record types
- 1004. Name Servers: Query type
NS
- 1005. Subdomain per group
- 1006. Querying DNS zone
- 1007. Creating an
A
record - 1008. Modify by delete/create
- 1009. Recommended readings
- 1010. Openldap server documentation
- 1011. What is LDAP anyway?
- 1012. LDAP Server cli bind
- 1013. Document Information Tree (DIT)
- 1014. Relative and absolute DNs
- 1015. User example
- 1016. objectClass
- 1017. objectClass clarifications
- 1018. Augmenting
inetOrgPerson
byposixAccount
- 1019. Structural objectClass definitions
- 1020. Search scopes
- 1021. Predicate based queries
- 1022. LDAP bind types
- 1023. LDIF exchange format
- 1024. LDIF sample
- 1025. OpenLdap server architecture
- 1026. An example LDAP Tree
- 1027. External documentation
- 1028. URI to filesystem mapping
- 1029. Virtual hosting
- 1030. Implementing virtual hosting
- 1031. IP based virtual hosting
- 1032. IP based, pros / cons
- 1033. Name based virtual hosting
- 1034. Name based, pros / cons
- 1035. LDAP backed authentication
- 1036. PHP FPM server
- 1037. File services
- 1038. Customer demands
- 1039. Driving factors
- 1040. Selected cloud file services
- 1041. Selected self hosting products
- 1042. Nextcloud features
- 1043. Lightning integration
- 1044. Installation
- 1045. Docker hub
- 1046. Search images
- 1047. Pull image using CLI
- 1048. Pull Nextcloud image
- 1049. Nextcloud based on Alpine
- 1050. Inspect image
- 1051. Search an image's tags
- 1052. Nextcloud image by version
- 1053. List images by CLI
- 1054. Nextcloud latest image
- 1055. Duplicate Nextcloud images
- 1056. Maven ringing a bell?
- 1057. Un tag image by version
- 1058. Remove image by version
- 1059. Starting Nextcloud container
- 1060. List running containers
- 1061. Enter running container
- 1062. Remove container
- 1063. List volumes
- 1064. List orphaned volumes
- 1065. Remove volumes
List of Tables
- 1. 4 Byte Two's
complement representation of
int
values. - 2. Exercises in 113105 Software development 1
- 3. Exercises in Technical Documentation
- 4. Exercises in 113473 Database and application development
- 5. Exercises in Software defined Infrastructure
- 6. Exercises in Persistence strategies and application development