Question

j2me 拼图游戏代码求解释

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.List;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class main extends MIDlet {
private Display display;
private Image img;
private List l;
private main m;
public main() {
display=Display.getDisplay(this);
m=this;
}

protected void startApp() throws MIDletStateChangeException {
// TODO Auto-generated method stub
showList();
}

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

}

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

}

public void show(Displayable dis){
display.setCurrent(dis);
}

private void showList(){
List l=new List("图片",List.IMPLICIT);
l.append("1", null);
l.append("2", null);
l.append("3", null);
l.append("4", null);
l.append("5", null);
l.append("6", null);
l.append("7", null);
l.append("8", null);
l.append("9", null);
l.append("10", null);
l.append("11", null);
l.addCommand(new Command("确定",Command.OK,0));
l.addCommand(new Command("退出",Command.EXIT,1));
l.setCommandListener(new CommandListener() {

public void commandAction(Command c, Displayable d) {
// TODO Auto-generated method stub
List temp=(List)d;
if(c.getLabel().equals("确定")){
String p_name=temp.getString(temp.getSelectedIndex());
ping mc=new ping(m,temp);
mc.addImage("/"+p_name);
mc.allimages();
mc.Rimages();
show(mc);
}

if(c.getLabel().equals("退出")){ //左软键
try {
m.destroyApp(false);
m.notifyDestroyed();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
});
show(l);
}
}

import javax.microedition.lcdui.Image;

public class myImage {
private Image image=null;
private int old_x=0;
private int old_y=0;
private int x=0;
private int y=0;
public myImage(Image image, int old_x, int old_y) {
super();
this.image = image;
this.old_x = old_x;
this.old_y = old_y;
this.x=old_x;
this.y=old_y;
}
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public int getY() {
return y;
}
public void setY(int y) {
this.y = y;
}
public Image getImage() {
return image;
}
public int getOld_x() {
return old_x;
}
public int getOld_y() {
return old_y;
}

public boolean check(){
if(old_x==x&&old_y==y){
return true;
}
return false;
}
}

麻烦解释的详细点，本人学cisco的缺被学校弄去搞J2ME 完全打酱油……

还有一段贴在别的地方先解释这些吧

Answer 1

import 后面是导入包，还有很多没办法这样说的很详细，这是个很容易就懂的程序，MIDlet类里面需要定义各种变量，这其实和C差不多 如果你学过C语言其实这些东西很容易就理解的