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Java二维数组计算集合 Java二维数组计算集合总结

彬菌 人气:0
想了解Java二维数组计算集合总结的相关内容吗,彬菌在本文为您仔细讲解Java二维数组计算集合的相关知识和一些Code实例,欢迎阅读和指正,我们先划重点:Java,二维数组,下面大家一起来学习吧。

public class CrossSum{ 
  public static void main(String args[]){ 
    int [][]a = {{1,2,3,4,5}, 
        {6,7,8,9,10}, 
        {11,12,13,14,15}, 
        {16,17,18,19,20}, 
        {21,22,23,24,25}} ;  
    int transverse =0; //横
    int vertical =0; //竖 
    for(int i = 0; i < 5; i++){
    	transverse = transverse+ a[2][i]; //通过下标访问
     		} 
    for(int j = 0; j < 5; j++){  
    	vertical = vertical+ a[2][j];
      }
     System.out.println("5*5数组十字和为"+(transverse+vertical));  
  } 
} 

public class LeftSum{ 
  public static void main(String args[]){ 
    int [][]a = {{1,2,3,4,5}, 
    		{6,7,8,9,10}, 
        {11,12,13,14,15}, 
        {16,17,18,19,20}, 
        {21,22,23,24,25}} ;  
    int sum =0;  
    for(int i = 0; i < 5; i++){  
      sum = sum+ a[i][i];
      }  
     System.out.println("5*5数组↘="+sum);  
  } 
} 

public class RightSum{ 
  public static void main(String args[]){ 
    int [][]a = {{1,2,3,4,5}, 
    		{6,7,8,9,10}, 
        {11,12,13,14,15}, 
        {16,17,18,19,20}, 
        {21,22,23,24,25}} ;  
    		int sum =0;  
    		for(int j = 4; j >=0; j--){  
    			sum = sum+ a[j][j];  
        	} 
        System.out.println("5*5数组↙="+sum);
  		} 
	}

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