1 Introduction to Java and Applet

2 Download Java Compiler (1)

3 Download Java Compiler (2)

4 Download Java SDK (3)

5 Installing Standard- Java 2 SDK

6 Installation - check whether you have installed java and javac

7 Set the path to include the directory Test it by typing javac in other directory

8 JDK components appletviewer.exeapplet viewer java.exeintepreter javac.execompiler javadoc.exe document generator javap.exedeassembler jdb.exedebugger

9 A simple Program – javac & java

10 Explanation to the first program

11 Explanation to the first program Class: First is the name of class. It will generate a First.class after compilation (javac) Public: is an access specifier that allows the programmer to control Main(): must be declared as public so that it can be accessed. String args[]: argv[0] is the first argument System.out.println: Display the contents followed by a line feed

12 Javadoc - Document Generator

13 Javadoc – some example

14 Javadoc.exe Javadoc is a tool shipped with JDK that generates HTML documentation from the comments in the class source files. With the aid of Javadoc we can simplify documentation of our code and make it a regular habit.

15 Javap – decompiler

16 Javap - explanation The javap command disassembles a class file. Its output depends on the options used. If no options are used, javap prints out the package.

17 Jdb – Debugger

18 Jdb - explanation The Java Debugger, jdb, is a simple command-line debugger for Java classes. It provides inspection and debugging of a local or remote Java Virtual Machine. Jdb class  format

19 Jdb – help