Exercise #2

import java.util.*;
public class ExerciseTwo
{
  public static void main (String[] args)
  {
      printPowersof2(3);
  }
  public static void printPowersof2(int max)
  {
      for (int i =0; i<=max; i++) //exponent
      {
          double ans=Math.pow(2,i);
          System.out.print(ans);
      }
  }
}