EJB——Ant Demo——simple package

C:.
│  mymanifest
│  run.bat
│  runjar.bat
│
├─build
│  ├─classes
│  │  └─AntDemo
│  │          HelloWorld.class
│  │
│  └─jar
│          HelloWorld.jar
│
└─src
    └─AntDemo
            HelloWorld.java

Main-Class: AntDemo.HelloWorld

javac -sourcepath src -d build\classes src\AntDemo\HelloWorld.java
java -cp build\classes AntDemo.HelloWorld

echo Main-Class: AntDemo.HelloWorld>mymanifest
md build\jar
jar cfm build\jar\HelloWorld.jar myManifest -C build\classes .
java -jar build\jar\HelloWorld.jar

package AntDemo;

public class HelloWorld{
	public static void main(String[] args){
		System.out.println("HelloWorld");
	}
}