Teaching Rajasthan Basic Computer Instructor 2021 Mock Test Programming and Data Structure Java

 Which of the following Java statements declare and allocate a 2-dimensional array of integers with 7 columns and 4 rows? 

1
int A [7][4];  
2
int A [ ][ ] = new int [7][4];
3
int A [4][7]; 
4
int [ ][ ] A = new int [4][7];
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