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Hollow pyramid star pattern in java

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Clumsy Caiman answered on February 18, 2022 Popularity 6/10 Helpfulness 4/10

answer Hollow pyramid star pattern in java

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Hollow pyramid star pattern in java

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class hollowPyramid {
  public static void main(String[] args) {
    // size of the pyramid
    int size = 5;
    for (int  i = 0; i < size; i++) {
      // print spaces
      for (int j = 0; j < size - i - 1; j++) {
        System.out.print(" ");
      }
      // print stars
      for (int k = 0; k < 2 * i + 1; k++) {
        if (i == 0 || i == size - 1) {
          System.out.print("*");
        }
        else {
          if (k == 0 || k == 2 * i) {
            System.out.print("*");
          }
          else {
            System.out.print(" ");
          }
        }
      }
      System.out.println();
    }
  }
}

Popularity 6/10 Helpfulness 4/10 Language java

Source: devsting.com

Tags: java

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Contributed on Feb 18 2022

Clumsy Caiman

0 Answers Avg Quality 2/10

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Pyramid star pattern in java

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class pyramid {
  // pyramid star pattern
  public static void main(String[] args) {

    int size = 5;
    for (int i = 0; i < size; i++) {
      // print spaces
      for (int j = 0; j < size - i - 1; j++) {
        System.out.print(" ");
      }
      // print stars
      for (int k = 0; k < 2 * i + 1; k++) {
        System.out.print("*");
      }
      System.out.println();
    }
  }
}

Popularity 9/10 Helpfulness 7/10 Language java

Source: devsting.com

Tags: java

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Contributed on Feb 18 2022

Clumsy Caiman

0 Answers Avg Quality 2/10

pyramid star pattern in java/ pyramid pattern in java/ star pattern in java

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class HelloWorld {
    public static void main(String[] args){
	
		//Scanner sc = new Scanner(System.in);
		
		int n = 4;//sc.nextInt();
		int maxCol = 2*n+1;
		int mid = maxCol/2;
		
		for(int i=0; i<n; i++){	
			int fillStart = mid - i;
			int fillEnd = mid + i;
			//iterating through columns: max columns = 2*n+1
			for(int j=0; j<maxCol; j++){
				if(j >= fillStart && j<= fillEnd){
					System.out.print("*");
				}
				else{
					System.out.print("-");
				}
			}
			System.out.println();
		}
	}
}

Popularity 6/10 Helpfulness 7/10 Language java

Source: chat.openai.com

Tags: java pyramid

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Contributed on Jan 09 2024

Brainy Butterfly

0 Answers Avg Quality 2/10

java star pyramid

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public class Patterns {
    public static void main(String[] args) { starPyramid(5);} 
    
	static void starPyramid(int n) {
        int cols= 2*n-1; // if n = 5 => ----*---- and n is number of rows
        System.out.println("Star Pyramid");
        for (int i = 1; i <= n; i++) {
            for (int j = 1, noOfStars = 0; j <= cols; j++) {
            	// pyramid starting column in this row
                int startCol = n-i+1; // or (int)Math.ceil(cols*1.0/2) - i+1;
                int noOfStarsInThisRow = 2*i-1;
                if(startCol== j-noOfStars && noOfStars < noOfStarsInThisRow){
                    noOfStars++;
                    System.out.print("*");
                } else System.out.print(".");
            }
            System.out.println(); // new line
        }
    }
  
//for n=5
....*....
...***...
..*****..
.*******.
*********


    
    
}

Popularity 9/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: java

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Contributed on Jun 08 2024

Srinivas Vadige

0 Answers Avg Quality 2/10

java star pyramid

Comment

public class Patterns {
    public static void main(String[] args) { starPyramid(5);} 
    
	static void starPyramid(int n) {
        int cols = 2*n-1; // if n = 5 => ----*---- and n is number of rows
		int midIndex = cols/2; // or n-1 => mid will be always the same, only the pyramid width increases in each row by 1 on each side
		for(int i=0; i<n; i++){
		    int fillStart = midIndex - i;
		    int fillEnd = midIndex + i;
			//iterating through all the columns
			for(int j=0; j<cols; j++){
              // filling the stars in current row pyramid width
				if(j>=fillStart && j<=fillEnd)
					System.out.print("*");
				else System.out.print("-");
			}
			System.out.println();
        }
    }
    
// for n = 5
----*----
---***---
--*****--
-*******-
*********
    
}

Popularity 9/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: java

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Contributed on Jun 08 2024

Srinivas Vadige

0 Answers Avg Quality 2/10

star pyramid program in java

Comment

public static void StarPyramid(int n)
{
    for (int i = 0; i < n; i++) 
    {
        var bol = true;
        for (int j = 0; j < 2*n; j++) 
        {
            if(j+i>=n && j<=n+i)
            {
                if(bol)System.out.print("*");
                else System.out.print(" ");
                bol=!bol;
            }
            else System.out.print(" ");
        }
        System.out.println();
    }
}
//for n =7
       *      
      * *     
     * * *    
    * * * *   
   * * * * *  
  * * * * * * 
 * * * * * * *

Popularity 10/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java

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Contributed on Nov 12 2022

PrashantUnity

0 Answers Avg Quality 2/10

Hollow pyramid star pattern in java

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Hollow pyramid star pattern in java

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pyramid star pattern in java/ pyramid pattern in java/ star pattern in java

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