Java on linux

centos

wget http://www.xxx.com/javasdk.rpm
rpm -ivh jdk.rpm

#test
java -version
java
javac

#设备环境变量
export JAVA_HOME=usr/java 
export PATH=$JAVA_HOME/bin:$PATH 
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

 

测试

public class test { 
public static void main(String args[]) { 
System.out.println("A new jdk test !"); 
} 
} 

#运行
javac test.java
java test