Java Program to Print Alphabet Y Star Pattern

Java Program to Print Alphabet Y Star Pattern

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Program to Print Alphabet Y Star Pattern

In this article we are going to see how to print Y star program or how to print y pattern in java.

Example-1

When row value=4 
     
*   *
 * *
  * 
  *
Example-2:

When row value=5

*    *
 *  *
  ** 
  *  
  *

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

Guys who are serious about learning the concepts of the java programming language should practice this list of programs in java and get a good grip on it for better results in exams or interviews.

Approach:

  • Enter total row and store it in an integer variable row.
  • Take first for loop to print the row value and a star for each row  .
  • Take a counter value and assign it to 0.
  • Take first inner for loop to print column value i.e., star or spaces according to condition  if (c==d || c==row-d && r<=row/2).
  • For each condition if(r < row/2) increase the counter value .
  • Then go on printing the star symbol according to loop.

JAVA Code:

Method-1 : Static Star Character

import java.util.*;
public class Main 
{    
    public static void main(String args[])   
    {   
    // taking variable for loop iteration and row .
    int row,r,c,d=0;
    //creating object 
    Scanner s = new Scanner(System.in);
    // entering the number of row
    System.out.print("Enter rows : ");
    row = s.nextInt();
    //outer for loop 
    for (r = 0; r < row ; r++)
    {
        for (c = 0; c <= row ; c++)
        {
            if (c == d || c == row  - d && r <= row / 2)
                System.out.print("*");
            else
                System.out.print(" ");
        }
        System.out.print("\n");
        if (r < row  / 2)
           d++;
    }
    }
}

Output :

Enter row :  5 

*    *
 *  *
  ** 
  *  
  *

Method-2 : User Input Character

import java.util.*;
public class Main 
{    
    public static void main(String args[])   
    {   
    // taking variable for loop iteration and row .
    int row,r,c,d=0;
    //creating object 
    Scanner s = new Scanner(System.in);
    // entering the number of row
    System.out.print("Enter rows : ");
    row = s.nextInt();
     // entering any character
    System.out.print("Enter character : ");
    char y = s.next().charAt(0);
    //outer for loop 
    for (r = 0; r < row ; r++)
    {
        for (c = 0; c <= row ; c++)
        {
            if (c == d || c == row  - d && r <= row / 2)
                System.out.print(y);
            else
                System.out.print(" ");
        }
        System.out.print("\n");
        if (r < row  / 2)
           d++;
    }
    }
}

Output :

Enter row :  5 
Enter character : @

@    @
 @  @
  @@ 
   @
   @

C Code:

#include <stdio.h>
int main() {
   int r, row, c ,d;
   printf("Enter rows: ");
   scanf("%d", &row);
    for (r = 0; r < row ; r++)
    {
        for (c = 0; c <= row ; c++)
        {
            if (c == d || c == row  - d && r <= row / 2)
                printf("*");
            else
                printf(" ");
        }
       printf("\n");
        if (r < row  / 2)
           d++;
    }
   return 0;
}


Output :

Enter row :  5 

*    *
 *  *
  ** 
  *  
  *

C++ code:

#include <iostream>
using namespace std;
int main()
{
   int row, r , c ,d ;
   cout << "Enter  rows: ";
   cin >> row;
for (r = 0; r < row ; r++)
    {
        for (c = 0; c <= row ; c++)
        {
            if (c == d || c == row  - d && r <= row / 2)
                cout << "*";
            else
                cout << " ";
        }
        cout << "\n";
        if (r < row  / 2)
           d++;
    }
   return 0;
}


Output :

Enter row :  5 

*    *
 *  *
  ** 
  *  
  *

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