Arrays initialization in Java
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//Empty array
int[] n1 = new int[]{};
int[] n2 = {};
// Single-dimensional array
int[] n3 = new int[] {1, 2, 3};
int[] n4 = { 1, 2, 3 };
String[] s1 = new String[] {"1", "2", "3"};
// Multidimensional array.
int[][] n5 = {{1, 2}, {3, 4, 5}};
int[][] n6 = new int[][] {{1, 2}, {3, 4, 5}};
int[][] n7 = new int[2][3];
n7[1][2] = 7;
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