midlet2.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 MIDlet2 extends MIDlet {

	protected void startApp() throws MIDletStateChangeException {
		String str = "Hello World!";
		System.out.println(str.charAt(1));
		System.out.println(str.endsWith("ld!"));
		System.out.println(str.indexOf('o'));
		System.out.println(str.indexOf('o',5));
		System.out.println(str.indexOf("Hello"));
		System.out.println(str.lastIndexOf('o'));
		System.out.println(str.substring(1));
		
		String chStr = " 中 国 人 ";
		char[] array = chStr.toCharArray();
		System.out.println(array[1]);
		String newStr = chStr.trim();
		System.out.println(newStr);
	}

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

	}

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

	}



}