Write a java program to print following pattern

0
1 0
0 1 0
1 0 1 0

Answer :

class Output2{
public static void main(String args[]){
for(int i=1;i<=4;i++){
for(int j=1;j<=i;j++){
 System.out.print(((i+j)%2)+" ");
 }
 System.out.print("\n");
    }
  }
}