On September 10, 2021
By Karmehavannan
0 Comment
Categories: Loop, star pattern, While loop
Tags: Java language, Java pattern, Java programs, Pattern

Print mirrored and mirrored hollow parallelogram star pattern in Java using while

In this article, we will discuss the concept of Print mirrored and mirrored hollow parallelogram star pattern in Java using while

In this post, we are going to learn how to write a program to print mirrored parallelogram, and mirrored Hollow parallelogram patterns using while loop in Java programming language.

Display Mirrored parallelogram star patterns Using while loop

Code to print mirrored parallelogram star pattern

Print mirrored and mirrored hollow parallelogram star pattern in Java using while — Mirrored parallelogram star pattern

Program 1

This program allows the user to enter the number of rows ,columns and any symbols then it will display the mirrored parallelogram star pattern using While loop in Java programming language

//program to print Mirrored parallelogram star pattern using while
import java.util.Scanner;
public class MirroredparallelogramStarWhile{//class declaration
public static void main(String args[]){//main method

 Scanner scan=new Scanner(System.in); 
    //create a scanner object for input
    
System.out.println("Enter the number of rows: ");
//Ask input from the user to rows
int rows=scan.nextInt();
//Reading the rows entered by user

System.out.println("Enter the number of columns: ");
//Ask input from the user to columns
int columns=scan.nextInt();
//REading the columns entered by user

System.out.println("Enter Symbol as you wish: ");
//Ask input from the user as symbol
char ch=scan.next().charAt(0);
//Reading the symbol entered by user

System.out.print("\n");
int i=1; 
while(i<=rows){//outer while loop 
int j=1; 
   while(j<=i){//inner while loop
   System.out.print(" ");//print space
    j++;
   }
   j=1; 
   while(j<=columns){//inner while loop
   System.out.print(ch);//print symbol after space
    j++;
}
 System.out.print("\n");//move to next line
  i++;
}
}
}

When the above code is executed , it produces the following result

Code to print mirrored Hollow parallelogram star pattern

Program 2

This program allows the user to enter the number of rows ,columns and any symbols then it will display the Hollow mirrored parallelogram star pattern using While loop in Java programming language

//Program to print Hollow Mirrored parallelogram star pattern
import java.util.Scanner;
public class HollowMirroredparallelogramWhile{//class declaration
public static void main(String args[]){//main method

 Scanner scan=new Scanner(System.in); 
    //create a scanner object for input
    
System.out.println("Enter the number of rows: ");
//Ask input from the user to rows
int rows=scan.nextInt();
//Reading the number of rows entered by user

System.out.println("Enter the number of columns: ");
//Ask input from the user to columns
int columns=scan.nextInt();
//Reading the number of columns entered by user

System.out.println("Enter Symbol as you wish: ");
//Ask input from the user as symbol
char ch=scan.next().charAt(0);
//Reading the symbol entered by user

System.out.print("\n");
int i=1;
while(i<=rows){//outer while loop 
int j=1;
   while(j<=i){//inner while loop
   System.out.print(" ");//print space
    
     j++;
   }
   j=1; 
  while(j<=columns){//inner while loop
   if(i==1 || i==rows || j==1 || j==columns){
       System.out.print(ch);//print symbol after space
   }
   else{
       System.out.print(" ");//print symbol after space
   }
    j++;
}
 System.out.print("\n");//move to next line
 i++;
}
}
}

When the above code is executed , it produces the following result