How does it work? Describe plz..

Question

int[][]my arr={ {1,2,3},{4},{5,6,7} };
my arr[0][2]=42;
int x=my arr [1][0];
>>>>
>>>
answer is: 4...
.....

Answer 1

third element of first subarray is converted to 42 and x is assigned with the first element of second subarray (of array myarr)