Question

(a) 1 2 1 3 2 1 4 3 2 1 5 4 3 2 1	(b) 1 1 2 1 2 3 1 2 3 4 1 2 3 4 5	(c) 1 2 3 4 5 2 3 4 5 3 4 5 4 5 5	(d) 1 1 1 1 1 2 2 2 2 3 3 3 4 4 5
(e) 5 5 5 5 5 4 4 4 4 3 3 3 2 2 1	(f) 1 1 2 1 2 3 1 2 3 4 1 2 3 4 5	(g) 5 4 5 4 3 4 5 4 3 2 3 4 5 4 3 2 1 2 3 4 5 4 3 2 1	(h) 1 1 2 1 1 2 3 2 1 1 2 3 4 3 2 1 1 2 3 4 5 4 3 2 1 1 2 3 4 3 2 1 1 2 3 2 1 1 2 1 1

Answer 1

import java.util.*;
class clPattern
{
    void fnP_i(int n)
    {
        for(int r = 1; r <= n; r++)
        {
            for(int c = r; c >= 1; c--)
            {
                System.out.print(c + " ");
            }
            System.out.println();
        }
    }
    void fnP_ii(int n)
    {
        for(int r = 1; r <= n; r++)
        {
            for(int c = 1; c <= r; c++)
            {
                System.out.print(c + " ");
            }
            System.out.println();
        }
    }
    void fnP_iii(int n)
    {
        for(int r = 1; r <= n; r++)
        {
            for(int c = r; c <= n; c++)
            {
                System.out.print(c + " ");
            }
            System.out.println();
        }
    }
    void fnP_iv(int n)
    {
        for(int r = 1; r <= n; r++)
        {
            for(int c = r; c <= n; c++)
            {
                System.out.print(r + " ");
            }
            System.out.println();
        }
    }
    void fnP_v(int n)
    {
        for(int r = n; r >= 1; r--)
        {
            for(int c = r; c >= 1; c--)
            {
                System.out.print(r + " ");
            }
            System.out.println();
        }
    }
    void fnP_vi(int n)
    {
        for(int r = 1; r <= n; r++)
        {
            for(int c = r; c <= n - 1; c++)
            {
                System.out.print("  ");
            }
            for(int c = 1; c <= r; c++)
            {
                System.out.print(c + " ");
            }
            System.out.println();
        }
    }
    void fnP_vii(int n)
    {
        for(int r = n; r >= 1; r--)
        {
            for(int c = 1; c <= r - 1; c++)
            {
                System.out.print(" ");
            }
            for(int c = r; c <= n; c++)
            {
                System.out.print(" "+c);
            }
            for(int c = n - 1; c >= r; c--)
            {
                System.out.print(c);
            }
            System.out.println();
        }
    }
    void fnP_viii(int n)
    {
        for(int r = 1; r <= n; r++)
        {
            for(int c = 1; c <= n - r; c++)
            {
                System.out.print(" ");
            }
            for(int c = 1; c <= r; c++)
            {
                System.out.print(c);
            }
            for(int c = r - 1; c >= 1; c--)
            {
                System.out.print(" "+c);
            }
            System.out.println();
        }
        for(int r = n - 1; r >= 1; r--)
        {
            for(int c = r + 1; c <= n; c++)
            {
                System.out.print(" ");
            }
            for(int c = 1; c <= r; c++)
            {
                System.out.print(c);
            }
            for(int c = r - 1; c >= 1; c--)
            {
                System.out.print(" "+c);
            }
            System.out.println();
        }
    }
   void main()
    {
        System.out.println("PATTERN – I");
        fnP_i(7);
        System.out.println("PATTERN – II");
        fnP_ii(7);
        System.out.println("PATTERN – IIІ");
        fnP_iii(7);
        System.out.println("PATTERN – IV");
        fnP_iv(7);
        System.out.println("PATTERN – V");
        fnP_v(7);
        System.out.println("PATTERN – VI");
        fnP_vi(7);
        System.out.println("PATTERN – VII");
        fnP_vii(7);
        System.out.println("PATTERN – VIII");
        fnP_viii(7);
    }
}