猜字游戏源代码

package javaapplication4;

import javax.swing.JOptionPane;

public class GuessNumber {

public static String check(String answer,String choice)

{

int i,count1=0,count2=0;

int j;

String real;

for(i=0;i

{

if(choice.charAt(i)==answer.charAt (i))

count1++;

}

for(i=0;i

for(j=0;j

{

if(choice.charAt(i)==answer.charAt(j)&&choice.charAt(i)!=answer.charAt (i))

count2++;

}

real=count1+"A"+count2+"B";

return real;

}

public static void main(String[] args) {

String str ="",answer ="";

int i,j,k,length,array[] = {0,1,2,3,4,5,6,7,8,9};

length=array.length;

for(i=0;i<4;i++)

{

j=(int)(length*Math.random());

answer=answer+array[j];

length--;

array[j]=array[length];

}

JOptionPane.showMessageDialog(null," 游戏开始！");

k=0;

while(!str.equals("4A0B"))

{

String choice = JOptionPane.showInputDialog("请输入四个不同的数字!");

str=GuessNumber.check(answer,choice);

JOptionPane.showMessageDialog(null," 这次您的结果为："+str);

k++;

}

JOptionPane.showMessageDialog(null," 恭喜您答对了，一共猜了"+k+"次");

}

}