Java code to print Mirrored Rhombus pattern using while loop

Java code to print Mirrored Rhombus pattern using while loop

In this article, we will discuss the concept of Java code to print Mirrored Rhombus pattern using while loop

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

 

Display Mirrored Rhombus  star patterns Using while loop

Code to print mirrored rhombus star pattern

Program 1

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

//program to print mirrored rhombus star pattern using while
import java.util.Scanner;
public class MirroredRhombusStarWhile{//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
int rows=scan.nextInt();
//Reading the rows 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 for loop 
int j=1;
   while(j<=i){//inner for loop
   System.out.print(" ");//print space
    j++;
   }
   j=1;
   while(j<=rows){//inner for 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 Hollow mirrored rhombus star pattern

Program 2

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

//program to print Hollow mirrored rhombus star pattern using while
import java.util.Scanner;
public class HolloWMirroredRhombusStarWhile{//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
int rows=scan.nextInt();
//Reading the number of rows entered by user
System.out.println("Enter character as you wish: ");
//Ask input from the user as character
char ch=scan.next().charAt(0);
//Reading the character 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<=rows){//inner while loop
   if(i==1 || i==rows || j==1 || j==rows){
   System.out.print(ch);//print characters after space
   }
   else{
         System.out.print(" ");//print space
   }
    j++;
}
 System.out.print("\n");//move to next line
  i++;
}
}
}

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

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