triamgle.java

import java.util.*; // package to use Scanner class 
class pattern { 
    public static void main(String[] args) 
    { 
        Scanner sc = new Scanner(System.in); 
        System.out.println("Enter the number of rows to be printed"); 
        int rows = sc.nextInt(); 
  
        // loop to iterate for the given number of rows 
        for (int i = 1; i <= rows; i++) { 
  
            // loop to print the number of spaces before the star 
            for (int j = rows; j >= i; j--) { 
                System.out.print(" "); 
            } 
  
            // loop to print the number of stars in each row 
            for (int j = 1; j <= i; j++) { 
                System.out.print("* "); 
            } 
  
            // for new line after printing each row 
            System.out.println(); 
        } 
    } 
}