⼀个简单的猜谜游戏的代码（⾼级⽤户界⾯制作）//MiDlet1.java
package test;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class MIDlet1 extends MIDlet {
static MIDlet1 instance;
Displayable1 displayable = new Display(this));
public MIDlet1() {
instance = this;
}
public void startApp() {
简单的java游戏代码}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public static void quitApp() {
instance.destroyApp(true);
instance = null;
}
}
//Displayable1.java
package test;
import javax.microedition.lcdui.*;
public class Displayable1 extends Form implements CommandListener {
/**题⽬内容*/
String[] question = {
"花园⾥都是草。(打⼀植物)",
"⼀年后花园⾥还是草。（也打⼀植物）",
"来了⼀只⽺。（还打⼀植物）",
"来了⼀只狼。（再打⼀植物）"
};
/**题⽬选项*/
String[][] answer = {
{"桃花","草莓","梨花","梅花"},
{"⼈参果","梨树","草莓","野梅花"},
{"野梅花","梨树","草莓","灌⽊"},
{"桃花","梅花","梨花","扬梅"}
};
/**正确答案的序号，第⼀个是0，依次类推*/
int[] rightAnswer={3,3,2,3};
ChoiceGroup cgQuestion;
/
**当前题⽬编号*/
int index = 0;
/**确定按键*/
Command cmdOk;
Display display;
public Displayable1(Display display) {
super("猜谜语");
this.display = display;
//创建题⽬
cgQuestion = new ChoiceGroup(question[index],ChoiceGroup.EXCLUSIVE);        //填充选择项
for(int i = 0;i < 4;i++){
cgQuestion.append(answer[index][i],null);
}
append(cgQuestion);
cmdOk = new Command("确定",Command.OK,1);
addCommand(cmdOk);
setCommandListener(this);
}
public void commandAction(Command command, Displayable displayable) {
//确定按钮
if(command == cmdOk){
//获得⽤户的选择
int selectIndex = SelectedIndex();
//判断是否回答不正确
if(selectIndex != rightAnswer[index]){
Alert a = new Alert("猜谜语","回答错误，请仔细思考！",null,AlertType.INFO);
a.setTimeout(3000);
display.setCurrent(a);
//返回
return;
}
//如果不是最后⼀个题⽬，则显⽰下⼀题
if(index < question.length - 1){
index++;
//修改界⾯显⽰的内容
cgQuestion.setLabel(question[index]);
//修改选项的内容
for(int i = 0;i < 4;i++){
cgQuestion.set(i,answer[index][i],null);
}
}else{//显⽰成功界⾯
Alert a = new Alert("猜谜语","游戏成功！",null,AlertType.INFO);
a.setTimeout(Alert.FOREVER);
display.setCurrent(a);
}
}
}
}

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