猜数字

 

import java.util.*;

public class ComputerGuess {
 List<int[]> ls;
 List<int[]> temp;
 List<Computer> computers;
 Computer computer;
 int A, B, N;

 public ComputerGuess() {

  A = 0;
  B = 0;
  temp = new ArrayList<int[]>();
  ls = InitialLS();
 }

 private List<int[]> InitialLS() {
  List<int[]> tt = new ArrayList<int[]>();
  int[] temp = null;
  tag: for (int i = 1000; i < 10000; i++) {
   temp = new int[4];
   for (int j = 0; j <= 3; j++) {
    int temps = i / (int) Math.pow(10, 3 - j) % 10;
    for (int k = 0; k < j; k++) {
     if (temps == temp[k]) {
      continue tag;
     }
    }
    temp[j] = temps;
   }
   tt.add(temp);
  }

  return tt;
 }

 public String toString(int[] temp) {
  StringBuffer sb = new StringBuffer();
  for (int i = 0; i < 4; i++)
   sb.append(temp[i] + " ");
  return sb.toString();
 }

 public void Show() {
  computers = new ArrayList<Computer>();
  boolean Judging = true;
  System.out.println("Before ls 's  count is:   " + ls.size());
  while (Judging) {
   int i = 0;
   computer = new Computer();
   if (temp.size() > 0) {
    ls.clear();
    for (int[] tt : temp) {
     ls.add(tt);
    }
    temp.clear();
    System.out.println("After ls 's  count is:   " + ls.size());
   }

   int n = new Random().nextInt(ls.size());
   System.out.print("你心里想的数是：\t");
   if (i == 0) {
    int[] rand = computer.getGuessNumber();
    System.out.println(computer.toString(rand));
    Judging = ShowYourJudge(rand);
   } else {
    System.out.println(toString(ls.get(n)));
    Judging = ShowYourJudge(ls.get(n));
   }

  }
 }