Linux安装Java环境

1
mkdir /usr/local/jdk
2
cd /usr/local/jdk

1
yum install -y lrzsz

1
tar -xvf jdk-8u161-linux-x64.tar.gz

1
vim /etc/profile

1
# 在文件末尾添加下面的配置 注意：JAVA_HOME的路径是你实际解压后的JDK的路径，千万别写错了
2
export JAVA_HOME=/usr/local/jdk/jdk1.8.0_161
3
export PATH=$JAVA_HOME/bin:$PATH
4
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
5
export PATH=$PATH:$JAVA_HOME/bin

1
source /etc/profile

1
java
2
javac
3
java -version