Question: int [ ] [ ] arr = { { 1 , 2 , 3 , 4 } , { 5 , 6 , 7 ,

int[][] arr ={{1,2,3,4},
{5,6,7,8},
{9,10,11,12}};
int sum =0;
for (int[] x : arr)
{
for (int y =0; y < x.length -1; y++)
{
sum += x[y];
}
}

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