Question

Write a Java program that reads in a positive integer from the user and outputs the following triangle shape composed of asterisk characters.

For example, if user enters 5 as the input, then your program should display the following shape:

*****
****
***
**
*

Answer 1

Code:

import java.lang.*;
import java.util.Scanner;
public class Triangle {
public static void main(String[] args) {
int input;
   Scanner s = new Scanner(System.in);
   input = s.nextInt();
for(int i = input; i >= 1; i--) {
for(int j = 1; j <= i; j++) {
System.out.print("*");
}
System.out.println();
}
}
}

Output:

Explanation: