Lecture 1: Getting Started

• Introduction
• Programming Languages, Programming Language Paradigms
• Opject-Oriented Programming (OOP)
• Software Life Cycle
• Software Development: Waterfall Model, V-Model, Spiral Model
• The first computer programmer, short computer history
• Programming languages and compilers (high-level, low-level languages)
• Compiler and Interpreter
• Elements of Java: Programming language, VM, API
• Java Environments
• Java Implementations
• JDK Programming Environment
• History of Java
• Comparison Java vs. C#
• Java File Structure

Lecture 2: Introduction to Java

• Java Basics, Language comparison, Properties of Java
• Java Definitions and Syntax
• Syntax vs. Semantics
• Java Operators
• Fundamental (Primitive) Data Types in Java
• Java Expressions
• Java Program Structure - Control Flow
• Object-Oriented Programming: Terminology: class, object, method
• First Example: Hello World in Java
• Programm Structure of "Hello World"
• Java Comment

Lecture 3: Introduction to Java

• Nassi-Shneiderman Diagrams
• Sequence, Conditional Statement, Loops
• Iteration: Pre-condition test, Post-condition test
• Counting for-loop
• Example: Power of 2, overflow problem
• Java Resources, JDK 1.5, 5, 6
• Java 2 SDK, Tools and Utilities
• Command Line Input (CLI), args.length
• String input, numerical input values
• String Concatenation, "+" operator

Lecture 4: Introduction to Java

• Programming Paradigms
• Smalltalk
• Process-oriented model, Object-oriented model
• OOP mechanisms: encapsulation, inheritance, polymorphism
• Member (instance) variables
• Creating objects, "new" operator, instantiation
• Objects and messages
• Inheritance, subclassing, hierarchy
• Information passing, parameter lists
• Object-Oriented Design concepts: ADT - Abtract Data Type
• Unified Modelling Language (UML), class diagram, generalization
• Creating instances, objects
• Methods, parameter passing
• Constructor, constructor methods
• Information hiding, "this"

Lecture 5: Introduction to Java

• Method overloading, method signature, constructor overloading
• Method overriding, dynamic method dispatch
• Argument passing: call-by-value, call-by-reference
• Java class diagrams
• Modifiers and protection
• Accessors: getter and setter methods
• Type casting, coercion, implicit and explicit casting, widening casting
• Wrapper classes
• Accessing superclasses: "super"
• Abstract methods

Lecture 6: Introduction to Java, Arrays

• Interfaces, multiple inheritance in Java, inheritance of interfaces
• Special classes, Math class
• Arrays in Java, properties of arrays
• Array element and index
• Semidynamic arrays
• Declaration, creation, initialisation of arrays, "new"
• Primitive arrays, arrays of objects
• Bound checking, "length" method
• ArrayIndexOutOfBoundsException
• Arrays and For-Loops
• Common Programming Errors
• Random generator, Math.random()
• Multidimensional Arrays
• Initialising Arrays

Lecture 7: Arrays, Exceptions

• Collection taypes, dynamic arrays
• String class, String methods: length(), charAt(), substring()
• Comparision of strings, "equals"
• Command Line Input, String args[]
• Errors and Exceptions, Exception Handling
• Throwable Objects
• Errors, Exceptions, Runtime Exceptions
• Throw, Catch
• Exception types, Exception classes
• Call stack
• Leaf classes, node classes
• Checked / Unchecked exceptions
• try / catch statements

Lecture 8: Exceptions, Stream

• e: exception handler parameter, available methods
• Writing exemptions, sample exceptions
• Stack trace
• Check or specify
• Java Streams, stream concept
• Standard IO, error output
• package java.io, IO types
• Reader, Writer, InputStream, OutputStream
• Abstract classes
• FileWriter, "close"
• Stream Exceptions, IOException
• Plug-Together
• Buffered File Output
• Cascading Streams
• DataInputStream, DataOutput
• tream
• BufferedReader, BufferedWriter
• Keyboard Input
• Scanner
• Random Access

Lecture 9: Applets

• Internet Programming, CGI, Applets
• AWT, Swing
• Building and Viewing Applets
• Programming Applets, Applet, JApplet
• HelloWorld Applet
• Graphics, Coordinate System
• Applet Methods, init(), paint()
• Graphics
• Example: Curve Plotting
• Parameter Passing HTML to Applet
• Null Reference
• Special classes: Color, Font
• Graphical User Interface (GUI)
• Special classes: SystemColor
• Classes and interfaces in package AWT
• AWT structure
• Font styles: plain, bold, italics

Lecture 10: Applets, Servlets

• FontMetrics
• FontMetrics Demo
• Short introduction to the MVC-Architecture
• Model, View, Controller
• Short Introduction to Servlet Programming
• Applet - Servlet
• CGI, Servlet, Threads
• CGI, Server Extension APIs, Servlet
• CGI vs. Servlet
• Servlet and JSP Engines
• Three-Tier, Multitier Architecture
• Three-Tier Servlet Model
• Servlet Package / API

Lecture 11: Servlets

• Servlet Interface
• Client/Server Interaction
• ServletRequest, ServletResponse
• HTTP, Header Information
• HTTP Request Header, Response Header
• HTTP Methods: Get, Post, Head
• HTTP Response Codes
• Servlet Packages: javax.servlet, javax.servlet.http
• Servlet Interface: javax.servlet.Servlet
• Generic Servlet, HTTP Servlet
• doGet(), doPost()
• Request / Response Objects, Methods
• HttpServletRequest, HttpServletResponse
• Servlet Life-Cycle, init(), service (), destroy ()
• PrintWriter, getWriter()
• ServletConfig, web.xml
• ServletContext, Methods of ServletContext
• Methods of ServletRequest
• javax.servlet package, javax.http.servlet package
• HTTP Servlet
• "Hello World" Servlet

Lecture 12: Servlets

• HTTP Request Header (Servlet)
• Form Handling with GET/POST
• URI, URL, URN
• Unicode, UCS, and UTF-8
• HTTP Support Classes
• Server-Side Include (SSI) with Servlets
• Servlet Chaining, Servlet Filters
• Session, Session Tracking, Cookies
• Stateless protocol
• Session tracking: Cookies, URL-rewriting, Hidden form fields
• Cookie Constructor, RFC2109

Lecture 13: Servlets

• Creating cookies
• getParameter(), setMaxAge()
• Cookie Methods
• Problems with Cookies
• Set Cookies, Show Cookies
• Session Tracking API
• Obtaining a Session
• Storing and Getting data from a session
• HttpSession, Life Cycle, Methods

Lecture 14: JSP

• Java Server Pages
• JSP Code Example, Code Errors
• JSP Engine, JSP Translation and Processing
• JSP vs. ASP
• JSP vs. Servlets
• JSP Architecture
• JSPPage, HttpJspPage
• Methods: jspInit(), jspDestroy(), jspService
• JSP Elements: Directive, Action, Scripting
• Scripting: Declarative, Scriptlets, Expressions
• JSP Comment
• Scripting: Implicit JSP Objects
• JSP Session, Example
• JSP XML-Syntax
• Starting Applications: MS Excel
• JSP Taglibs
• Tag Handler: Tag, BodyTag
• TLD - Tag Library Descriptor
• Tag action methods, Tag interaction
• HelloWorld Example
• JSTL - JavaServer Pages Standard Tag Library
• Comparison: Servlet - Java Server Pages
• Combining Servlets with JSP

Lecture 15: Events, Event handling

• Event Models, Java 1.0, Java 1.1
• General Event Handler
• ActionListener
• Delegation Event Model, Event Dispatcher
• Event Types: Low Level, High level
• Hierarchy of Event Classes
• Event handler registration
• Example: KeyEvents
• add<EventType>Listener
• Java EventListener-Interfaces
• Inner classes, Nesting of classes
• Member classes, Local classes, Anonymous classes
• Anonymity in Java
• Listener Interfaces, Adapter Classes, Listener Methods
• Virtual Key Codes
• Event handling with inner (local) classes
• Anonymous classes
• Event handling with anonymous classes
• Creating new Java event types

Lecture 16: Java Swing

• Comparison AWT (Abstract Windowing Toolkit) - Swing
• Swing APIs, classes, packages
• JApplet
• JFC - Java Foundation Classes
• Architecture of the Swing Class Library
• Swing Components, concept of Java peers
• Heavyweight, Lightweight components
• MVC - Model-View-Controller Architecture
• Java UI Delegate
• PLAF - Pluggable Look and Feel
• Example: JButton
• Swing structure: RootPane
• Swing Components
• Layout Managers

Lecture 17: Java Thread Programming

• Java Threads - Concurrent Programming
• Concurrency vs. Parallelism
• Threads and Parallelism
• Implicit threads in AWT and Swing
• Java Thread Definition
• Thread Implementation: class Thread, interface Runnable
• Methods of class Thread; start(), sleep(), join(), yield()
• deprecated methods
• Thread States (life cycle): Java 1.2, 1.3 and up

Lecture 18: Java Thread Programming, Java Extensions

• Starting threads vs. simple method call
• Problems: producer/consumer, race condistions
• Thread synchronisation
• Context switch
• Atomicity in Java
• Monitors (Charles Antony Richard Hoare)
• Object locking (synchronized), signalling between threads
• Synchronization Methods: wait(), notify(), notifyall()
• Ending a thread: interrupt(), isInterrupted(), join(), yield()
• Deprecated methods to stop a thread: stop(), suspend(), resume()
• Daemon Threads, setDaemon()
• Thread priorities
• Applets and threads
• Programming errors: Deadlocks
• Deadlock examples
• Grouping threads
• Java Extensions (JDK 1.5 and up)
• Parametric Polymorphism for Java: Java Generics

Lecture 19: Klausurvorbereitung

• Überblick über die Themen der Veranstaltung
• Schwerpunkte
• Beispielklausur