Question

java

declare at least five different types of arrays, one, two and three-dimension.

Answer 1

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1. int:

1D: int[] arr = new int[n]; where n is number elements in array.

2D: int[][] arr = new int[n][m]; where n is number rows and m is number of columns.

3D: int[][][] arr = new int[n][m][l]; where n is array number, m is number of rows, l is number of columns.

2. String:

1D: String[] arr = new String[n]; where n is number elements in array.

2D: String[][] arr = new String[n][m]; where n is number rows and m is number of columns.

3D: String[][][] arr = new String[n][m][l]; where n is array number, m is number of rows, l is number of columns.

3. float:

1D: float[] arr = new float[n]; where n is number elements in array.

2D: float[][] arr = new float[n][m]; where n is number rows and m is number of columns.

3D: float[][][] arr = new float[n][m][l]; where n is array number, m is number of rows, l is number of columns.

4. double:

1D: double[] arr = new double[n]; where n is number elements in array.

2D: double[][] arr = new double[n][m]; where n is number rows and m is number of columns.

3D: double[][][] arr = new double[n][m][l]; where n is array number, m is number of rows, l is number of columns.

5. char:

1D: char[] arr = new char[n]; where n is number elements in array.

2D: char[][] arr = new char[n][m]; where n is number rows and m is number of columns.

3D: char[][][] arr = new char[n][m][l]; where n is array number, m is number of rows, l is number of columns.