Linux Uninstall the original JDK installation configuration JDK

See the original JDK first

Rpm-qa|grep JDK

One by one uninstallation via RPM-E--nodeps based on the JDK name found above

Then install the JDK

RPM-IVH xxxxxxjdk.rpm for installation

Configuring Environment variables:/etc/profile

java_home=/usr/java/jdk1.7.0_67

Jre_home=/usr/java/jdk1.7.0_67/jre

Path= $PATH: $JAVA _home/bin: $JRE _home/bin

Classpath=.: $JAVA _home/lib/jt.jar: $JAVA _home/lib/tools.jar: $JRE _home/lib

Export Java_home jre_home PATH CLASSPATH

Run Source/etc/profile after configuration.

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Linux Uninstall the original JDK installation configuration JDK