REGULAR JAVA COMMANDS USED IN DOS COMMAND PROMPT

COMMAND	USAGE
javac	TO COMPILE JAVA PROGRAMS,IT DISPLAYS ALL OPTIONS RELATED TO COMPILATION javac Welcome.java
java	TO RUN JAVA PROGRAMS,IT DISPLAYS ALL OPTIONS RELATED TO RUN THE PROGRAMS java Welcome java com.ram.Welcome(when we have .class file in the package)
javac -d	COMPILE THE PROGRAMS AND PLACED IN PACKAGE javac –d destinationpath sourcepath javac –d . Welcome.java (Package folder will create in current directory) javac –d C:\myfolder\java\bin C:\myfolder\java\src\Welcome.java
javap	TO KNOW THE DETAILS OF ANY CLASS,IT DISPLAYS ALL THE METHODS IN THAT CLASS AND implemented interfaces,extended classes also javap Welcome
javadoc	CREATE DOCUMENTATION TO THE JAVA CLASSES javadoc Welcome.java
jar	TO CREATE JAR FILES,WAR FILES,EAR FILES AND ALSO EXTRACT THESE FILES jar –cvf filename.jar(create) jar –cvf myjar.jar jar –cvf mywar.war jar –xvf myjar.jar(extract) jar –xvf mywar.war
set	TO SET THE ENVIRONMENT VARIABLES LIKE ”CLASSPATH”, “PATH” AND “JAVA_HOME” set JAVA_HOME=C:\Program Files\Java\jdk1.7.0_01; set PATH=C:\Program Files\Java\jdk1.7.0_01\bin; set CLASSPATH=servlet-api.jar; set CLASSPATH=servlet-api.jar;ojdbc14.jar; (CLASSPATH for more jars at a time) set CLASSPATH=%CLASSPATH%;hibernate3.jar; (set CLASSPATH to already existed CLASSPATH variable)
echo	TO KNOW THE VALUES LIKE ”CLASSPATH” , “PATH” AND “JAVA_HOME” ENVIRONMENT VARIABLES echo %CLASSPATH% echo %PATH% echo %JAVA_HOME%