Write a java program to compare two hash sets.

compareHash.java

  
import java.util.*;  
public class compareHash {  
public static void main(String[] args) {  
HashSet hash1 = new HashSet();  
HashSet hash2 = new HashSet();  
hash1.add("A");  
hash1.add("B");  
hash1.add("C");  
hash2.add("A");  
hash2.add("B");  
if(hash1.equals(hash2))  
{  
System.out.println("Both hash are equal ");  
}  
else  
{  
System.out.println("Not Equal ");  
}  
hash2.add("C");  
if(hash1.equals(hash2))  
{  
  
System.out.println("Both hash are equal ");  
}  
else  
{  
System.out.println("Not Equal ");  
}  
  
}  
}  

Output

  
Not Equal  
Both hash are equal