How to print this ? HCL L1 interview Question for 3+ experiance

How to print this ?

1

1 2

1 2 3

1 2 3 4

Solution:-

package p3;

public class ABC {

public static void main(String[] args) {

int n=4; //number of Rows

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

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

System.out.print(" "+j);

}

System.out.println(" ");

}

}

}

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O/P:-

 1 

 1 2 

 1 2 3 

 1 2 3 4