遍历二维数组

package zuoye;

public class zuoye0110 {

    public static void main(String[] args) {
        // TODO 自动生成的方法存根
      
        //遍历二维数组
    int[][]a={{12,23,45,78,43},{97,435,78,9,45,423},{45,7,4,32}};
        int sum =0;
        for(int b=0;b<a.length;b++){
            for(int c=0;c<a[b].length-1;c++){
                sum+=a[b][c];
                System.out.print(a[b][c]+"  ");
                
            }System.out.println();
            
        }System.out.println("所有元素的和是："+sum);
            
    
    }}