Java Environment
Java environment includes a large number of development tools and hundreds of classes and methods. The development tools are part of the system known as java development kit JDK and the classes and methods are part of java standard library also known as Application Programming Interface(API).

Java development kit –jdk
The Java development kit comes with a collection of tools that are used for developing and running java program.They include.
Appletviewer

• javac -compiler
• java -interpreter
• javap -disassembler
• javah -header files
• javadoc- for creating HTML document
• jdb -java debugger