java fill array
// -- Filling with fill() method example:
List<String> arrlist = new ArrayList<String>();
//Add elements in the list
arrlist.add("one");
arrlist.add("two");
arrlist.add("three");
// contents of list: [AAA, BBB, CCC]
//Fill the list with 'four'
Collections.fill(arrlist,"four");
// contents of list: [four, four, four]
// -- Second example
List<Integer> arrList = Arrays.asList(1,2,3,4);
//Fill the list with 551
Collections.fill(arrList,42);
// contents of list: [42, 42, 42]
// To fill with value
int array[] = {2, 2, 1, 8, 3, 2, 2, 4, 2};
Arrays.fill(array, 10);
// [10, 10, 10, 10, 10, 10, 10, 10, 10]
// Fill from index 1 to index 4.
Arrays.fill(array, 1, 5, 10); );
// [2, 10, 10, 10, 10, 2, 2, 2, 2]
// For multidimensional arrays:
// Fill each row with 10.
int [][]array2D = new int [3][4];
for (int[] row : array2D)
Arrays.fill(row, 10);
// [[10, 10, 10, 10], [10, 10, 10, 10], [10, 10, 10, 10]]
// Fill each row with -1.
int[][][]array3D = new int[3][4][5];
for (int[][] row : array3D ) {
for (int[] rowColumn : row) {
Arrays.fill(rowColumn, -1);
}
}