triangulo 2

public class Main {
    public static void main(String[] args) {
        for(int i=0; i<5; i++){
            for(int j=0; j<5; j++){
                if(i==j || j==0 || i==4) System.out.print("*");
                else System.out.print(" ");
            }
            System.out.println();
        }
    }
}
/*
 i\j| 0 | 1 | 2 | 3 | 4 |
 0  |   |   |   |   |   |
----+---+---+---+---+---|
 1  |   |   |   |   |   |
----+---+---+---+---+---|
 2  |   |   |   |   |   |
----+---+---+---+---+---|
 3  |   |   |   |   |   |
----+---+---+---+---+---|
 4  |   |   |   |   |   |
----+---+---+---+---+---|
*/