Question

. Write a program to print * in the following order using 2d array in java

                                             *             *             *             *             *

                                             *             *             *             *

                                             *             *             *

                                             *             *            

                                             *

Answer 1

JAVA CODE:

// printClass class
public class printClass {
        public static void main(String[] args) {
                // 2D array is initialized
                String[][] array = new String[5][5];
                // empty string " " is assigned to all the values in the array
                for (int i = 0; i < 5; i++) {
                        for (int j= 0; j < 5; j++) {
                                array[i][j] = " ";
                        }
                }
                // '*' is assigned to first upper half of the triangle in the array
                for (int i = 0; i < 5; i++) {
                        for (int j = 0; j < 5-i; j++) {
                                array[i][j] = "*";
                        }
                }
                // values stored in the array are printed
                for (int i = 0; i < 5; i++) {
                        for (int j = 0; j < 5; j++) {
                                System.out.print(array[i][j] + "        ");
                        }
                        System.out.print("\n");
                }
        }
}

OUTPUT: