JAVA RELATED TECHNOLOGIES
Monday, 24 June 2013
Maven build tool download
Set M2_HOME for maven home directory.
M2_HOME=C:\apache-maven-3.0.5
Set JAVA_HOME with java JDK folder C:\Program Files\Java\jdk1.7.0_21 Set PATH for maven bin folder,so that we can run mvn command anywhere in the system from command prompt. C:\Program Files\Java\jdk1.7.0_21\bin;C:\apache-maven-3.0.5\bin;
Sunday, 23 June 2013
REGULAR JAVA COMMANDS USED IN DOS COMMAND PROMPT
| COMMAND | USAGE |
|---|---|
| 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) |
| TO KNOW THE VALUES LIKE ”CLASSPATH” , “PATH” AND “JAVA_HOME” ENVIRONMENT VARIABLES echo %CLASSPATH% echo %PATH% echo %JAVA_HOME% |
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