1. getconf LONG_BIT View the system bits and download the corresponding jdk.
My system is 32-bit, so the downloaded jdk is: jdk-8u77-linux-i586.gz.
And put it in the /home/injavawetrust/software directory.
2. Create a directory /usr/lib/jvm so that the downloaded and decompressed packages can be placed in this directory.
cd /usr/lib
sudo mkdir jvm
3. Unzip and put the unzipped jdk folder in the /usr/lib/jvm directory
cd /home/injavawetrust/software
sudo tar zxvf jdk-8u77-linux-i586.gz -C /usr/lib/jvm
Fourth, enter the /usr/lib/jvm directory
cd /usr/lib/jvm
5. Rename the decompressed jdk folder to java1.8
sudo mv jdk1.8.0_77 java1.8
6. First enter the vi editor, and then enter the following command
vi ~/.bashrc The command
entered in the opened file is as follows:
Seven, execute the command
source ~/.bashrc
Eight, test
java -version
出现如下信息：
java version "1.8.0_77"
Java(TM) SE Runtime Environment (build 1.8.0_77-b03)
Java HotSpot(TM) Client VM (build 25.77-b03, mixed mode)
jdk安装成功。
九、写段java代码测试一下
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