JDK (java development kit)
The JDK is a Sun’s tool kit for creating java software. It contains useful tools such as:
1. Compiler
2. Virtual machine
3. Class library
4. Documentation
5. Sample of examples
These various tools are known as command line tools because they run from command line interpreter like DOS, UNIX.
There are many versions of JDK since 1995. It includes version from the original release 1.0.1 to current release 6.0. The java development kit includes the followings:
1. Javac: The java compiler.
2. Javah: For c header file.
3. Jdb: java debugger.
4. Javadoc: The java documentation program.
5. Java: The java virtual machine.
6. Applet viewer: The java applet viewer.