Java Developer Kit
It is a collection of tools and necessary documents for making Java applications and applets.
The JDK consists of :
1.the Java compiler javac.exe to convert Java program into bytecodes.
2.the Java interpreter java.exe to translate bytecodes into program action to be executed by the JVM.
3.the Java debugger jdb.exe to death Java programs.
4.the Java disassembler javap.exe to display certain specific interfaces.
5.the Java header file generator javah.exe.
6.the Java documentation javaDoc.exe.
7.applet viewer