本文实例为大家分享了java数独游戏的具体代码，供大家参考，具体内容如下

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打算把javaFx需要的组件装好以后直接用javaFx的，但似乎eclipse的版本不对，安装了也不能用...
数独代码是在之前寒假受命写的，学了一个月java的成果，现在看来有些不足但毕竟是第一个程序，就直接放上来，数独终盘的实现直接用了暴力，时间复杂度有点高，懒得改了直接放代码

终盘实现：

import java.util.Random; 
 
public class SudokuPuzzleGenerator { 
 private Random random = new Random(); 
  
 private static final int MAX_CALL_RANDOM_ARRAY_TIMES = 220; 
  
 private int currentTimes = 0; 
 
 public int[][] generatePuzzleMatrix() { 
 
  int[][] randomMatrix = new int[9][9]; 
 
  for (int row = 0; row < 9; row++) { 
   if (row == 0) { 
    currentTimes = 0; 
    randomMatrix[row] = buildRandomArray(); 
 
   } else { 
    int[] tempRandomArray = buildRandomArray(); 
 
    for (int col = 0; col < 9; col++) { 
     if (currentTimes < MAX_CALL_RANDOM_ARRAY_TIMES) { 
      if (!isCandidateNmbFound(randomMatrix, tempRandomArray, row, col)) { 
        
       resetValuesInRowToZero(randomMatrix,row); 
       row -= 1; 
       col = 8; 
       tempRandomArray = buildRandomArray(); 
      } 
     } else {  
      row = -1; 
      col = 8; 
      resetValuesToZeros(randomMatrix); 
      currentTimes = 0; 
     } 
    } 
   } 
  } 
  return randomMatrix; 
 } 
  
 private void resetValuesInRowToZero(int[][] matrix, int row) 
 { 
  for (int j = 0; j < 9; j++) { 
   matrix[row][j] = 0; 
  } 
   
 } 
 
 private void resetValuesToZeros(int[][] matrix) { 
  for (int row = 0; row < 9; row++) { 
   for (int col = 0; col < 9; col++) { 
    matrix[row][col] = 0; 
   } 
  } 
 } 
 
 private boolean isCandidateNmbFound(int[][] randomMatrix, int[] randomArray, int row, int col) { 
  for (int i = 0; i < 9; i++) { 
   randomMatrix[row][col] = randomArray[i]; 
   if (noConflict(randomMatrix, row, col)) { 
    return true; 
   } 
  } 
  return false; 
 } 
 
 private boolean noConflict(int[][] candidateMatrix, int row, int col) { 
  return noConflictInRow(candidateMatrix, row, col)&&noConflictInColumn(candidateMatrix, row, col) && noConflictInBlock(candidateMatrix, row, col); 
 } 
 
 private boolean noConflictInRow(int[][] candidateMatrix, int row, int col) { 
   
  int currentValue = candidateMatrix[row][col]; 
 
  for (int colNum = 0; colNum < col; colNum++) { 
   if (currentValue == candidateMatrix[row][colNum]) { 
    return false; 
   } 
  } 
 
  return true; 
 } 
 
 private boolean noConflictInColumn(int[][] candidateMatrix, int row, int col) { 
 
  int currentValue = candidateMatrix[row][col]; 
 
  for (int rowNum = 0; rowNum < row; rowNum++) { 
   if (currentValue == candidateMatrix[rowNum][col]) { 
    return false; 
   } 
  } 
 
  return true; 
 } 
 
 private boolean noConflictInBlock(int[][] candidateMatrix, int row, int col) { 
 
  int baseRow = row / 3 * 3; 
  int baseCol = col / 3 * 3; 
 
  for (int rowNum = 0; rowNum < 8; rowNum++) { 
   if (candidateMatrix[baseRow + rowNum / 3][baseCol + rowNum % 3] == 0) { 
    continue; 
   } 
   for (int colNum = rowNum + 1; colNum < 9; colNum++) { 
    if (candidateMatrix[baseRow + rowNum / 3][baseCol + rowNum % 3] == candidateMatrix[baseRow 
      + colNum / 3][baseCol + colNum % 3]) { 
     return false; 
    } 
   } 
  } 
  return true; 
 
 }  
 private int[] buildRandomArray() { 
  currentTimes++; 
  int[] array = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 }; 
  int randomInt = 0;  
  for (int i = 0; i < 20; i++) { 
   randomInt = random.nextInt(8) + 1; 
   int temp = array[0]; 
   array[0] = array[randomInt]; 
   array[randomInt] = temp; 
  } 
 
  return array; 
 } 
  
 public int getCurrentTimes() { 
  return currentTimes; 
 } 
  
 public void setCurrentTimes(int currentTimes) { 
  this.currentTimes = currentTimes; 
 } 
  
} 

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