Java SE Development Kit (JDK)
JDK tools are divided into five categories:
- Basic Tools
- Remote Method Invocation (RMI) Tools
- Internationalization Tools
- Security Tools
- Java IDL Tools
javac is the compiler for the Java programming language, it’s used to compile .java file. It creates a class file which can be run by using java command.
When a class file is created, the java command can be used to run the Java program.
javaDoc is an API documentation generator for the Java language, which generates documentation in HTML format from Java source code.
appletviewer run and debug applets without a web browser, its standalone command-line program to run Java applets.
The jar is (manage Java archive) a package file format that contains class, text, images and sound files for a Java application or applet gathered into a single compressed file.