Uninstall jdk in linux. it's a simple problem for the whole afternoon.

Uninstall jdk in linux. a simple problem occurs all afternoon due to the re-modification of jdkversion1.5 -- 1.6. comrpm-qa | grepjdk -- & gt; jdk-1.6.0_22-fcsrpm-qa | grepjava -- & gt; sun-javadb-core-10.5.3-0.2 -- & gt; sun-
Uninstall jdk in linux. a simple problem occurred all afternoon. due to the re-modification of jdk version 1.5 -- 1.6, it was blocked during the uninstallation, www.2cto.com rpm-qa | grep jdk --> jdk-1.6.0_22-fcsrpm-qa | grep java --> sun-javadb-core-10.5.3-0.2 --> sun-javadb-demo-10.5.3-0.2 --> sun-javadb-javadoc-10.5.3-0.2 --> sun-javadb-common-10.5.3-0.2 --> sun-javadb-docs-10.5.3-0.2 uninstall: rpm-e -- nodeps jdk-1.6.0_22-fcs --> error: package jdk-1.6.0_22-fcs is not installed last yum remove jdk-1.6.0_22-fcs Installation: chmod + x jdk _*. bin. /jdk _*. binrpm-ivh jdk _*. by default, rpm is installed at:/usr/java/jdk _ * windows: set java_home: View JDK installation path java-version: View JDK version linux: whereis javawhich java (java execution path) echo $ JAVA_HOMEecho $ PATH 2: The following is the linux environment variable: (remember source. bash_profile ). modify the/etc/profile File (global users) vi. add this file/etc/profile to the end of the profile file: export JAVA_HOME =/usr/share/jdk1.6.0 _ 20 export PATH = $ JAVA_HOME/bin: $ PATHexport CLASSPATH =.: $ JAVA_HOME/lib/dt. Jar: $ JAVA_HOME/lib/tools. jar. modify. bash_profile file (a user is authorized to use these environment variables ). add: export JAVA_HOME =/usr/share/jdk1.6.0 _ 20 export PATH = $ JAVA_HOME/bin: $ PATHexport CLASSPATH =.: $ JAVA_HOME/lib/dt. jar: $ JAVA_HOME/lib/tools. jar. run the following command on the shell Terminal: (for temporary use) export JAVA_HOME =/usr/share/jdk1.6.0 _ 14 export PATH = $ JAVA_HOME/bin: $ PATHexport CLASSPATH =.: $ JAVA_HOME/lib/dt. jar: $ JAVA_HOME/lib/tools. jar 3. uninstall jdk. find the jdk installation directory named _ unin. St subdirectory · run the command./uninstall. sh on the shell terminal to uninstall jdk.