/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
 
	{	boolean[] b = new boolean[5]; 
		Set s = new HashSet(); 
		b[0]=s.add(new Integer(2)); 
		b[1]=s.add(new Integer(2));
 
		System.out.println("Using Hashset Integers b0 = "+b[0]+" and b1 = "+b[1]);
	}
 
	{	
		boolean[] b=new boolean[5]; 
		Set s=new HashSet(); 
		b[0]=s.add(2); 
		b[1]=s.add(2);
		System.out.println("Using Hashset int b0 = "+b[0]+" and b1 = "+b[1]);
	}	
 
 
	}
}

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