Java Collections- SET

  Write a program using hashset to add the a,b,c alphabet and remove the c alphabet and  displayed the set and size of this set.

import java.util.HashSet;

public class simplehashset {

    public static void main(String[ ] args) {

        HashSet<String> set = new HashSet<String>();

        set.add("A");

        set.add("B");

        set.add("C");

        System.out.println(set);

        set.remove("A");

        System.out.println(set);

        System.out.println(set.size());

       

    }

}

OUTPUT: 

[A, B, C]

[B, C]

2