package org.JavaIncloud.java;
 
import java.util.HashSet;
import java.util.Set;
 
public class SetShowCase
{
	public static void main(String...JavaInCloud) 
	{
		/*create an ArrayList(a class implements List) and assign 
		 * to List as we can not create object for List interface*/
		Set<String>	animals = new HashSet<String>();
 
		//Store some animal name to the collection of animal object(Here String)
		animals.add("Tiger");animals.add("Monkey");
		animals.add("Cow");animals.add("Cat");
		animals.add("Dog");
 
		/*print the Set, it'll print the animal name, as internally ArrayList  overwrite toString()*/
		System.out.println("Animal Name>>"+animals);
		//output:Animal Name>>[Cat, Dog, Tiger, Monkey, Cow]
 
		/*there is not get() method for Set hence it'll not work, instead it'll give you a compilation error*/
		//System.out.println(Animal.get(3));
 
		/*Retrieve the element from set. 
		 * This is how for-each loop works if you want then you can use Iterator also
		 * Get the iterator from HashSet and iterate it. Iterator<String> iterator = animals.iterator();*/
		for (String animal : animals) 
		{
			System.out.print(animal+",");
		}
		//output: Cat,Tiger,Dog,Monkey,Cow,
 
		/*If you are bothering about order of the set then you have go for LinedHashSet and TreeSet.
		* HashSet makes no guarantees as to the iteration order of the set; in particular, 
		* it does not guarantee that the order will remain constant over time. This class permits the null element.*/	
	}
}
 

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