Java-Programs/Hashset.java at main · shwetaodel/Java-Programs · GitHub

38 lines (27 loc) · 703 Bytes

package core;

import java.util.HashSet;

public class Hashset {

public static void main(String[] args) {

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

phones.add("Apple");

phones.add("Samsung");

phones.add("Moto");

phones.add("Spark");

phones.add("Oppo");

System.out.println(phones);

//Check If an Item Exists

System.out.println(phones.contains("Moto"));

//Remove an Item

phones.remove("Moto");

System.out.println(phones);

//HashSet Size

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

//HashSet with a for-each loop

for(String i:phones)

{

System.out.println(i);

}

phones.clear();

System.out.println(phones);

}

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