Java Environment

JDK contains tools that are required to build and execute Java applications and applets. JDK can be freely downloaded from the sun's website.

• javac _Java Compiler

The Java source code will be compiled by this compiler, which checks for the syntax of the program and will list out errors if any, or will generate the byte code. The Java compiler generate the .class file (byte code).

• java –Java interpreter

Java interpreter reads the .class file of the application programs that contains the byte code and executes the code in a local machine.

• appletviewer

The applet viewer runs the Java applets

• javadoc_ Java Documentation

 Document generator that can be used to create documents for large source codes.

• javah_ C header

 Produces header files that are used for writing native methods.

• javap_ Disassembler

Helps to convert byte code into program description.

• jdb-Debugger

 Helps to find errors in our program.

For free JDK download visit :-

 LINK 

New Features Of JDK 7 - Presentation: