package in.bench.resources.collection;

import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.TreeSet;

public class SetExample {

	public static void main(String[] args) {

		// 1. Creating HashSet object
		Set<String> hashSet = new HashSet<String>();

		// add few elements
		hashSet.add("Vijay");
		hashSet.add("Ajith");
		hashSet.add("Vikram");
		hashSet.add("Suriya");

		System.out.println("Displaying HashSet elements"
				+ " in Random-order : \n");
		for(String actor : hashSet) {
			System.out.println(actor);
		}

		// 2. Creating HashSet object
		Set<String> linkedHashSet = new LinkedHashSet<String>();

		// add few elements
		linkedHashSet.add("Sharukh");
		linkedHashSet.add("Akshay");
		linkedHashSet.add("Saif");
		linkedHashSet.add("Salman");

		System.out.println("\nDisplaying LinkedHashSet elements"
				+ " as per Insertion-order : \n");
		for(String actor : linkedHashSet) {
			System.out.println(actor);
		}

		// 3. Creating HashSet object
		Set<String> treeSet = new TreeSet<String>();

		// add few elements
		treeSet.add("Kareena");
		treeSet.add("Priyanka");
		treeSet.add("Deepika");
		treeSet.add("Anushka");

		System.out.println("\nDisplaying TreeSet elements"
				+ " as per ASC Sorting-order : \n");
		for(String actor : treeSet) {
			System.out.println(actor);
		}
	}
}

Displaying HashSet elements in Random-order : 

Ajith
Vijay
Suriya
Vikram

Displaying LinkedHashSet elements as per Insertion-order : 

Sharukh
Akshay
Saif
Salman

Displaying TreeSet elements as per ASC Sorting-order : 

Anushka
Deepika
Kareena
Priyanka