How to print triangle in java – Java Program to Print Triangle with Increasing Order Repeated Number Pattern

by

Print Triangle with Increasing Order Repeated Number Pattern

How to print triangle in java: In the previous article, we have discussed Java Program to Print Cross Number Pattern

In this article we are going to see how to print the triangle with increasing order repeated number pattern.

Example-1

When rows value = 5

     1
    2 2
   3 3 3
  4 4 4 4
 5 5 5 5 5
Example-2:

When rows value=7

       1
      2 2
     3 3 3
    4 4 4 4
   5 5 5 5 5
  6 6 6 6 6 6
 7 7 7 7 7 7 7

Now, let’s see the actual program to print it.

Are you wondering how to seek help from subject matter experts and learn the Java language? Go with these Basic Java Programming Examples and try to code all of them on your own then check with the exact code provided by expert programmers.

Approach:

  • Enter total number of rows and store it in an integer variable rows
  • Take one outer for loop to iterate the rows.
  • Take two inner for loops, one to print the space and the other to print number.
  • After each iteration print a new line.

Java Code to Print Triangle with Increasing Order Repeated Number Pattern

import java.util.Scanner;
class Main
{
    public static void main(String[] args)
    {
        //Create a new Scanner object
        Scanner scan = new Scanner(System.in);
    
        //Taking total number of rows as input from user
        System.out.print("Rows : ");
        int rows= scan.nextInt();
    
       //Row and column are the iterators
        int numberOfRows, numberOfColumns;
    
       //Outer loop to iterate the rows
       //Iterates from 0 to one less than number of rows entered by the user
        for (numberOfRows = 0; numberOfRows < rows; numberOfRows++)
        {
        //Inner loop to print space
        for (numberOfColumns = 1; numberOfColumns <= rows - numberOfRows; numberOfColumns++)
        {
            System.out.print(" ");
        }
        //Inner loop to print number
        for (numberOfColumns = 0; numberOfColumns <= numberOfRows; numberOfColumns++)
        {
            System.out.print((numberOfRows + 1)+" ");
        }
        //Prints a newline
        System.out.println();
        }
    }
}


Output

Rows : 5

      1
     2 2
    3 3 3
  4 4 4 4
 5 5 5 5 5

C Code to Print Triangle with Increasing Order Repeated Number Pattern

#include <stdio.h>

int main()
{
   //Taking total number of rows as input from user
   printf("Rows : ");
   int rows;
   scanf("%d", &rows);

   //Row and column are the iterators
   int numberOfRows, numberOfColumns;

   //Outer loop to iterate the rows
   //Iterates from 0 to one less than number of rows entered by the user
   for (numberOfRows = 0; numberOfRows < rows; numberOfRows++)
   {
      //Inner loop to print space
      for (numberOfColumns = 1; numberOfColumns <= rows - numberOfRows; numberOfColumns++)
      {
         printf(" ");
      }
      //Inner loop to print number
      for (numberOfColumns = 0; numberOfColumns <= numberOfRows; numberOfColumns++)
      {
         printf("%d ", numberOfRows + 1);
      }
      //Prints a newline
      printf("\n");
   }
   return 0;
}

Output

Rows : 5
 
      1
     2 2
    3 3 3
  4 4 4 4
 5 5 5 5 5

C++ Code to Print Triangle with Increasing Order Repeated Number Pattern

#include <iostream>
using namespace std;
int main(int argc, char const *argv[])
{
    //Taking total number of rows as input from user
    cout << "Rows : ";
    int rows;
    cin >> rows;

    //Row and column are the iterators
    int numberOfRows, numberOfColumns;

    //Outer loop to iterate the rows
    //Iterates from 0 to one less than number of rows entered by the user
    for (numberOfRows = 0; numberOfRows < rows; numberOfRows++)
    {
        //Inner loop to print space
        for (numberOfColumns = 1; numberOfColumns <= rows - numberOfRows; numberOfColumns++)
        {
            cout << " ";
        }
        //Inner loop to print number
        for (numberOfColumns = 0; numberOfColumns <= numberOfRows; numberOfColumns++)
        {
            cout << numberOfRows + 1 << " ";
        }
        //Prints a newline
        cout << endl;
    }
    return 0;
}


Output

Rows : 5

     1
    2 2
   3 3 3
  4 4 4 4
 5 5 5 5 5

Are you seeking professional help for coding in the Java programming language? The tutorial of Java Programming Examples for beginners and experts will strongly improve your coding skills then you can program for any logic in Java.

Related Java Number Pattern Programs: