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Java Multidimensional Array are array of arrays. The inner member of the array would have equal number of elements.
Example For Java Multidimensional Array:
| int[ ][ ] arr = new int[3] [5]; //all 3 rows would have 5 elements
int[ ][ ][ ] arr1 = new int[2][2][3]; //all 2 blocks of the 2 inner blocks would have 3 elements |
Jagged array is a special case of Multidimensional Array in which the member arrays of the array, can be of varying size.
Example:
| int[ ][ ] arr = new int[2][];
arr[0] =new int[4]; //Row1 contains 4 elements arr[1] = new int[2]; //Row2 contains 2 elements int arr2[ ][ ] = {{2,3,4},{2,3}}; |
Note: Arrays can also be passed as an argument inside a method.