Practical12.java

package com.DSA;

public class Practical12 {
    public static void main(String[] args) {



//       ********************** For first pattern **************



//        int rows = 5, k = 0;
//
//        for (int i = 1; i <= rows; ++i, k = 0) {
//            for (int space = 1; space <= rows - i; ++space) {
//                System.out.print("  ");
//            }
//
//            while (k != 2 * i - 1) {
//                System.out.print("* ");
//                ++k;
//            }
//
//            System.out.println();
//        }



//        ******************** For second pattern *************



        int rows = 5, k = 0, count = 0, count1 = 0;

        for (int i = 1; i <= rows; ++i) {
            for (int space = 1; space <= rows - i; ++space) {
                System.out.print("  ");
                ++count;
            }

            while (k != 2 * i - 1) {
                if (count <= rows - 1) {
                    System.out.print((i + k) + " ");
                    ++count;
                } else {
                    ++count1;
                    System.out.print((i + k - 2 * count1) + " ");
                }

                ++k;
            }
            count1 = count = k = 0;

            System.out.println();
        }



//        *************** For third pattern ***************



//        for(int i =5;i>=0;--i)
//        {
//            for(int j=1;j<=i;++j)
//            {
//                System.out.print("*");
//            }
//            System.out.println();
//        }



    }
}