java jar包创建使用方法

jar create and use method
1. working directory /root/temp/java

2. vi /root/temp/java/Test.java content

        public class Test
        {
                public void output()
                {
                        System.out.println("this is jar test!!!");
                }
        }

3. cd /root/temp/java
   javac Test.java
   jar cf lib.jar Test.class

4. vi /root/temp/java/main.java content
        public class main
        {
                public void main(String args[])
                {
                        Test t = new Test();
                        t.output();
                }
        }

5. export CLASSPATH=$CLASSPATH:/root/temp/java/lib.jar
6. javac main.java
7. java main --> output "this is jar test!!!"
8. over