midlet3.java

这是郭克华老师的J2ME视频的源代码

package prj10_1;

import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class MIDlet3 extends MIDlet {

	protected void startApp() throws MIDletStateChangeException {
		StringBuffer sb = new StringBuffer("Hello World!");
		//sb.append("China");
		//sb.append(Math.PI);
		//sb.delete(2,5);
		sb.insert(2, "中国人");
		System.out.println(sb.toString());
		System.out.println(sb.capacity());//剩余容量
		System.out.println(sb.length());//长度
		System.out.println(sb.reverse());
		
	}

	protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
		// TODO Auto-generated method stub

	}

	protected void pauseApp() {
		// TODO Auto-generated method stub

	}



}