Java program to print numbers from 1 to 10 in a triangle shape

public class Tpattern
{
    public static void main(String[] args)
    {
        int i=0,j=0,n=4,k=1;
        for(i=1; i<n+1; i++)
        {
            for(j=0; j<i; j++)
                System.out.print(" "+k++);
            System.out.println(" ");
        }
    }
}

OUTPUT:

 1
 2 3
 4 5 6
 7 8 9 10