Printing pattern of continuous numbers

 import java.util.Scanner;

public class PrintPattern2{

public static void main(String args[]){

Scanner sc = new Scanner(System.in);

int n =sc.nextInt();

int sum=1;

for(int i=1; i<=n; i++){

for(int j=1; j<=i;j++){

System.out.print(sum++);

}

System.out.println();

}

}

}