Question

How to declare and initialize and print two-dimensional (2D) array (matrix) of characters in Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        char[][] arr = new char[][]
        {
            "ABCD".toCharArray(),
            "EFGH".toCharArray(),
            "IJKL".toCharArray()
        };
  
        int rows = arr.length;
        int cols = arr[0].length;
  
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < cols; j++) {
                System.out.printf("%2c", arr[i][j]);
            }
            System.out.println();
        }
    }
}
  
  
  
  
  
/*
run:
   
 A B C D
 E F G H
 I J K L
   
*/

 

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