centos 7 JAVA环境变量配置

#默认jdk包解压在/usr/testsoftware/jdk1.8.0_144目录下

#配置JAVA环境变量
echo "" >> /etc/profile
echo "export JAVA_HOME=/usr/testsoftware/jdk1.8.0_144" >> /etc/profile
echo "export CLASSPATH=.:\${JAVA_HOME}/lib:\${JRE_HOME}/lib" >> /etc/profile
echo "export PATH=\${JAVA_HOME}/bin:\$PATH" >> /etc/profile
source /etc/profile
java -version