Java：矩阵的相加

package ChongXingZuo;



public class JuZhenDeXiangJia {
	public static void ShuZuAdd(int arr1[][],int arr2[][],int arr3[][],int x,int y) {
		int row,col;
		if(x<=0||y<=0) {
			
		}
		for( row=1;row<=x;row++) {
			for(col=1;col<=y;col++) {
				arr3[(row-1)][(col-1)]=arr1[(row-1)][(col-1)]+arr2[(row-1)][(col-1)];
			}
		}
	}
	public static void main(String[] args) {
		int[][] arr1= {
				{1,3,5},
				{7,9,11},
				{13,15,17}
		};
		int[][] arr2= {
				{9,8,7},
				{6,5,4},
				{3,2,1}
		};
		int[][] arr3=new int [3][3];
		ShuZuAdd(arr1,arr2,arr3,3,3);
		System.out.println("矩阵arr1中的元素有：");
		for(int i=0;i