Configure JDK 5 or JDK 6 environment variables in Linux

In Linux, configure the JDK 5 or JDK 6 Environment Variable-general Linux technology-Linux programming and kernel information. The following is a detailed description. 1. Install
Chmod + x jdk-1_5_0_08-linux-i586.bin

/Jdk-1_5_0_08-linux-i586.bin

Chmod + x jdk-1_5_0_08-linux-i586.rpm

Rpm-ivh jdk-1_5_0_08-linux-i586.rpm

2. Set environment variables.

# Vi/etc/profile

Add at the end
# Java ......................

JAVA_HOME =/usr/java/jdk1.5.0 _ 08/

CLASSPATH =.: $ JAVA_HOME/lib/tools. jar:/lib. dt. jar

PATH = $ JAVA_HOME/bin: $ PATH

Export JAVA_HOME CLASSPATH PATH

Save and exit

Press esc

: Wq

3. Use
Vi/etc/profile. d/java. sh

JAVA_HOME =/usr/java/jdk1.5.0 _ 08/

CLASSPATH =.: $ JAVA_HOME/lib/tools. jar:/lib. dt. jar

PATH = $ JAVA_HOME/bin: $ PATH

JAVA_OPTS = "-server-Xmx768m-XX: MaxNewSize = 512 m-XX: MaxPermSize = 700 m"

CATALINA_OPTS = "-server-Xmx768m-XX: MaxNewSize = 512 m-XX: MaxPermSize = 700 m"

Export JAVA_HOME classpath path JAVA_OPTS CATALINA_OPTS

Save and exit

Press esc

: Wq

Chmod 755/etc/profile. d/java. sh

4. Execute all commands
Source/etc/profile

Source/etc/profile. d/java. sh

5. Test whether JAVA is installed
Java-version