Installing JDK under Linux

JDK Installation:
1, download a JDK online, such as jdk-7u45-linux-x64.tar.gz;

2, use the "TAR-ZXVF file name" command to extract, for example, I want to install in the/HEZW/USR directory,
Then directly copy the above JDK files to the/HEZW/USR directory to extract,
Note: If the JDK does not have permission to execute, use "chmod +x file name" to add permissions;

3. Add the following configuration at the end of the/etc/profile file:
Java_home=/hezw/usr/jdk1.7.0_45
Path=.: $JAVA _home/bin: $PATH
Export Java_home PATH

4, the implementation of "Source/etc/profile" to make the configuration effective;

5, finally execute the Java JAVAC Command test can!

Installing JDK under Linux