Right-Angled Triangle create by a num.

triangle.java

import java.util.*;
//import javax.swing.*;
class Square{
    public static void main(String[] args) {
        
        Scanner scan = new Scanner(System.in);
        System.out.println("Nhap vao so n : ");
    int n = scan.nextInt();
        for (int i = 0; i <= n; i++) {
            for (int j = i; j<=(n-1); j++ ) {
                System.out.print("*");
            }
            System.out.print("\n");
        }
        }
}