Install JDK1.7 under Linux

Linux version

http://download.csdn.net/download/love254443233/9179483

Installation of 1.JDK 1. Download JDK

First look at how many bits (32-bit/64-bit) The Linux system is: getconf long_bit. Download JDK 7,linux from the JDK website (http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html) 64-bit download jdk-7u60-linux-x64.tar.gz.

2. Unzip the installation

2.1 Choose where to install the JDK/usr/java, if there is no need to create this directory, the general new to the machine is not this directory, this we create this directory.

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1. sudo mkdir/usr/java

2.2 Upload jdk-7u60-linux-x64.tar.gz to the server and move to/usr/java.

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1. sudo mv Jdk-7u60-linux-x64.gz/usr/java

2.3 Decompression: Go to/usr/java directory (CD Usr/java) unzip

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1. sudo tar-zxvfjdk-7u60-linux-x64.gz

2.4 Delete jdk-7u60-linux-x64.tar.gz

3. Configure Environment variables

Open/etc/profile (sudo vim/etc/profile) and add the following on the last side:

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1. Export JAVA_HOME=/USR/JAVA/JDK1. 7.0_60
2. Export JRE_HOME=/USR/JAVA/JDK1. 7.0_60/jre
3. Exportclasspath=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jar: $JRE _home/lib
4. Export path= $PATH: $JAVA _home/bin

Let the configuration take effect:

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1. Source/etc/profile

4. Verification [Java]View PlainCopyprint?

1. Java–version

To print the currently installed JDK version number "1.7.0_60"

Install JDK1.7 under Linux