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Java Programming Exercies

Java Conditional Statement Exercises: Generate a following *'s triangle

Java Conditional Statement: Exercise-23 with Solution

Write a java program to generate a following *'s triangle.

Test Data
Input number of rows: 6

Pictorial Presentation:

Java conditional statement Exercises: Generate a following *'s triangle

Sample Solution:

Java Code:

import java.util.Scanner;
public class Exercise23 {
   public static void main(String args[]) 
    {
        Scanner in = new Scanner(System.in);
        System.out.print("Input the number: ");
        int n = in.nextInt();
        for (int i = n; i > 0; i--) 
        {
            for (int spc = n - i; spc > 0; spc--) 
            {
                System.out.print(" ");
            }
            for (int j = 0; j < i; j++) 
            {
                System.out.print("*");
            }
            System.out.println();
        }
    }

}

Sample Output:

Input the number: 6                                                                                           
******                                                                                                       
 *****                                                                                                       
  ****                                                                                                       
   ***                                                                                                       
    **                                                                                                       
     *

Flowchart:

Flowchart: Java Conditional Statement Exercises - Generate a following *'s triangle

Java Code Editor:

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Previous: Write a Java program to display Pascal's triangle.
Next: Write a java program to generate a following @'s triangle.

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