Prints Triangle using Java

Triangle.java

class Five{
	public static void main(String[] args){
		for(int i = 1; i <= 4; i++){ // First we are running loop from 1 to 4.
			for(int j = 0; j < i; j++){ // Then we are running loop from 0 until i.
				System.out.print((j+i)%2+" "); // Sum of i and j modulus of 2 equals the alternate of 1 and 0. 
			}
			System.out.println();
		}
	}
}

Triangle.md

Write a program to generate the following triangle using for loop.
1
0 1
1 0 1
0 1 0 1