CentOS 6.5 Installation jdk1.7

The installed CentOS will bring openjdk, with the command java-version, will have the following information:

Java Version "1.6.0"

OpenJDK Runtime Environment (build 1.6.0-b09)

OpenJDK 64-bit Server VM (build 1.6.0-b09, Mixed mode)

It is best to uninstall the OPENJDK before installing Sun's JDK.

See Rpm-qa First | grep java

The following information is displayed:

java-1.4.2-gcj-compat-1.4.2.0-40jpp.115

Java-1.6.0-openjdk-1.6.0.0-1.7.b09.el5

Unloading:

RPM-E--nodeps java-1.4.2-gcj-compat-1.4.2.0-40jpp.115

RPM-E--nodeps Java-1.6.0-openjdk-1.6.0.0-1.7.b09.el5

There are some other commands.

Rpm-qa | grep GCJ

Rpm-qa | grep JDK

If OpenJDK source cannot be found, you can also uninstall this

Yum-y Remove Java java-1.4.2-gcj-compat-1.4.2.0-40jpp.115

Yum-y Remove Java Java-1.6.0-openjdk-1.6.0.0-1.7.b09.el5

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Download 64-bit binary installation package jdk-7u71-linux-x64.tar.gz

Extracting binary files

Shell> Tar zxvf jdk-7u71-linux-x64.tar.gz

Move the extracted files to the JAVA_HOME environment variable directory that you want to set (according to your personal habits)

shell> MV jdk1.7.0_71/usr/java/

Setting environment variables

shell> Vi/etc/profile#tomcatexport Java_home=/usr/java/jdk1.7.0_71export classpath=.:/ Usr/java/jdk1.7.0_71/lib/dt.jar:/usr/java/jdk1.7.0_71/jre/lib/tools.jarexport PATH= $PATH:/usr/java/jdk1.7.0_71/ Bin:/usr/java/jdk1.7.0_71/jre/bin

environment variable in effect

Shell> Source/etc/profile

Verifying the installation

shell> Java–versionjava Version "1.7.0_71" Java (tm) SE Runtime Environment (build 1.7.0_71-b14) Java HotSpot (tm) 64-bit Server VM (build 24.71-b01, Mixed mode)

Also attached:

Download: http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
This release would be is the last Oracle JDK 7 publicly available update
This is the last updated version of Jdk7

Download the 64-bit binary installation package
Jdk-7u79-linux-x64.tar.gz

Extracting binary files

Shell> Tar zxvf jdk-7u79-linux-x64.tar.gz

Move the extracted files to the JAVA_HOME environment variable directory that you want to set (according to your personal habits)

shell> MV JDK-7U79-LINUX-X64/OPT/JDK

Setting environment variables

shell> vi/etc/profileexport java_home=/opt/jdkexport jre_home=/opt/jdk/jreexport CLASSPATH= $JAVA _home/lib: $JAVA _home/jre/lib: $CLASSPATHexport path= $JAVA _home/bin: $JRE _home/bin: $PATH

environment variable in effect

Shell> Source/etc/profile

Verifying the installation

shell> Java–versionjava Version "1.7.0_79" Java (tm) SE Runtime Environment (build 1.7.0_79-b15) Java HotSpot (tm) 64-bit Server VM (build 24.79-b02, Mixed mode)

CentOS 6.5 Installation jdk1.7