GeezerVison is showing github.com — Java-Collection-Framework-and-Java-Set/HashSetDemo6.java at main · AvinandanBose/Java-Collection-Framework-and-Java-Set

Expand file tree

HashSetDemo6.java

Copy path

More file actions

Latest commit

History

26 lines (18 loc) · 662 Bytes

HashSetDemo6.java

Copy path

File metadata and controls

26 lines (18 loc) · 662 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

import java.util.HashSet;

public class HashSetDemo6 {

public static void main(String[] args) {

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

set.add("A");

set.add("a");

set.add("B");

set.add("b");

System.out.println(set);

try {

Boolean a = set.iterator().hasNext();

System.out.println(a);

} catch (Exception e) {

System.out.println("Exception");

}

//Returns true if the iteration has more elements. (In other words, returns true if next would return an element rather than throwing an exception.)