Write a program in Java to display the following pattern:

3
44
555
6666
77777

public class KboatPattern
{
    public static void main(String args[]) {
        for (int i = 3; i <= 7; i++) {
            for (int j = 3; j <= i; j++)
                System.out.print(i);
            System.out.println();
        }
    }
}