Ubuntu install JDK fits like my little white

1. #下载JDK, remember the saved directory

2.

sudo mkdir/usr/java

3.

sudo tar zxvf jdk-7u75-linux-x64.tar.gz-c/usr/java

4.

Cd/usr/java

5.

sudo gedit/etc/environment

6. #将文件内的内容删除, put the following copy in, red for the latest version

Path= "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games: $JAVA _home/bin"

Export classpath=.: $JAVA _home/lib: $JAVA _home/jre/lib

Export Java_home=/usr/java/jdk1.8.0_111

7.

Source/etc/environment

8.

sudo gedit/etc/profile

9. #将下面的内容copy文件最下面, replace the red part

#set Java Environment

JAVA_HOME=/USR/JAVA/JDK1.8.0_111
Export JRE_HOME=/USR/JAVA/JDK1.8.0_111/jre
Export classpath=.: $JAVA _home/lib: $JRE _home/lib: $CLASSPATH
Export path= $JAVA _home/bin: $JRE _home/bin: $PATH

10.

　　Source/etc/profile

#检测是否安装成功.

　　Java-version

#Windows里用javac可以检测, you can also

Ubuntu install JDK fits like my little white