Print Full Hollow Pyramid Pattern in C / C++ / Java / Python / C#

Programs to print the full hollow pyramid pattern have been given here.

Page content(s):

1. Program & Output

 1.1. C

 1.2. C++

 1.3. Java

 1.4. Python

 1.5. C#

1. Program & output to print the full pyramid pattern

1.1. C Program & output to print the full hollow pyramid pattern

Code has been copied

/******************************
      alphabetacoder.com
C program to print the full 
hollow pyramid pattern using *
*******************************/

#include <stdio.h>

int main() {
    // declare variables
    int row, i, j;

    // take input
    printf("Enter the number of rows: ");
    scanf("%d", & row);

    // new line
    printf("\n");

    // display the pattern
    for (i = 1; i <= row; i++) {
        // print spaces before starting
        // position of each row 
        for (j = 1; j <= row - i; j++) {
            printf(" ");
        }

        // print *
        for (j = 1; j <= (2 * i - 1); j++) {
            // except for the last row
            if (i < row) {
                if (j == 1 || j == (2 * i - 1)) {
                    printf("*");
                } else {
                    printf(" ");
                }
            }
            // for the last row
            else {
                printf("*");
            }
        }
        // new line
        printf("\n");
    }

    return 0;
}

Output

Enter the number of rows: 6

       *

      * *

     *   *

    *     *

   *       *

  ***********

1.2. C++ Program & output to print the full hollow pyramid pattern

Code has been copied

/******************************
      alphabetacoder.com
C++ program to print the full 
hollow pyramid pattern using *
*******************************/

#include <iostream>

using namespace std;

int main() {
    // declare variables
    int row, i, j;

    // take input
    cout << "Enter the number of rows: ";
    cin >> row;

    // new line
    cout << endl;

    // display the pattern
    for (i = 1; i <= row; i++) {
        // print spaces before starting
        // position of each row 
        for (j = 1; j <= row - i; j++) {
            cout << " ";
        }

        // print *
        for (j = 1; j <= (2 * i - 1); j++) {
            // except for the last row
            if (i < row) {
                if (j == 1 || j == (2 * i - 1)) {
                    cout << "*";
                } else {
                    cout << " ";
                }
            }
            // for the last row
            else {
                cout << "*";
            }
        }
        // new line
        cout << endl;
    }

    return 0;
}

Output

Enter the number of rows: 4

     *

    * *

   *   *

  *******

1.3. Java Program & output to print the full hollow pyramid pattern

Code has been copied

/******************************
      alphabetacoder.com
Java program to print the full 
hollow pyramid pattern using *
*******************************/

import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        // declare instance of Scanner class
        Scanner sc = new Scanner(System.in);
        // declare variables
        int row, i, j;

        // take input
        System.out.print("Enter the number of rows: ");
        row = sc.nextInt();

        // new line
        System.out.println("");

        // display the pattern
        for (i = 1; i <= row; i++) {
            // print spaces before starting
            // position of each row 
            for (j = 1; j <= row - i; j++) {
                System.out.print(" ");
            }

            // print *
            for (j = 1; j <= (2 * i - 1); j++) {
                // except for the last row
                if (i < row) {
                    if (j == 1 || j == (2 * i - 1)) {
                        System.out.print("*");
                    } else {
                        System.out.print(" ");
                    }
                }
                // for the last row
                else {
                    System.out.print("*");
                }
            }
            // new line
            System.out.println("");
        }
    }
}

Output

Enter the number of rows: 5

      *

     * *

    *   *

   *     *

  *********

1.4. Python Program & output to print the full hollow pyramid pattern

Code has been copied

#********************************
#      alphabetacoder.com
#Python program to print the full 
#hollow pyramid pattern using *
#*********************************

# take input
row = int(input("Enter the number of rows: "))

# new line
print("")

# display the pattern
for i in range(1, row + 1):
    # print spaces before starting
    # position of each row 
    for j in range(1, row - i + 1):
        print(" ", end = "")
   
    # print *
    for j in range(1, 2 * i):
        # except for the last row
        if i < row:
            if j == 1 or j == (2 * i - 1):
                print("*", end = "")
            else:
                print(" ", end = "")
        # for the last row
        else:
            print("*", end = "")
    # new line
    print("")

Output

Enter the number of rows: 8

         *

        * *

       *   *

      *     *

     *       *

    *         *

   *           *

  ***************

1.5. C# Program & output to print the full hollow pyramid pattern

Code has been copied

/******************************
      alphabetacoder.com
C# program to print the full 
hollow pyramid pattern using *
*******************************/

using System;

namespace HollowPyramid {
    class Program {
        static void Main(string[] args) {
            // declare variables
            int row, i, j;

            // take input
            Console.Write("Enter the number of rows: ");
            row = Convert.ToInt32(Console.ReadLine());

            // new line
            Console.WriteLine("");

            // display the pattern
            for (i = 1; i <= row; i++) {
                // print spaces before starting
                // position of each row 
                for (j = 1; j <= row - i; j++) {
                    Console.Write(" ");
                }

                // print *
                for (j = 1; j <= (2 * i - 1); j++) {
                    // except for the last row
                    if (i < row) {
                        if (j == 1 || j == (2 * i - 1)) {
                            Console.Write("*");
                        } else {
                            Console.Write(" ");
                        }
                    }
                    // for the last row
                    else {
                        Console.Write("*");
                    }
                }
                // new line
                Console.WriteLine("");
            }

            // wait for user to press any key
            Console.ReadKey();
        }
    }
}

Output

Enter the number of rows: 7

        *

       * *

      *   *

     *     *

    *       *

   *         *

  *************