0 Multidimensional Arrays in Java

Multidimensional Arrays in Java

• Multidimensional arrays are arrays of arrays.
• To declare a multidimensional array variable, specify each additional index using another set of square brackets.

int [][] x;
//x is a reference to an array of int arrays
x = new int[3][4];
/*Create 3 new int arrays, each having 4 elements
x[0] refers to the first int array, x[1] to the second etc
x[0][0] is the first element of the first array
x.length will be 3
x[0].length, x[1].length and x[2].length will be 4 */