Java Development Kit

Java Development Kit is a collection of classes, Java compiler and Java virtual machine Interpreter.  It also consist useful utilities for debugging, documentation, compiling and run java programs.

The following are the some components of a Java Development Kit.

Ø  javac: The java compiler, converts java source code into byte code

Syntax:            javac filename.java

Ø  java: The java interpreter, executes java application byte does directly from class file

Syntax:            java filename

Ø  jdb: The java debugger that allows to step through the program one line at a time, set break points, and examine variables

Syntax:            jdb filename

Ø  servletrunner: A simple web server to test servlets

Ø  appletviewer: A java interpreter that executes java applet classes hosted by HTML

Syntax:            appletviewer filename.html