Check if a particular element exists in HashSet in Java
Description
The following code shows how to check if a particular element exists in HashSet.
Example
/*from w w w . j a v a 2s. com*/
import java.util.HashSet;
public class Main {
public static void main(String[] args) {
HashSet<Integer> hSet = new HashSet<Integer>();
hSet.add(new Integer("1"));
hSet.add(new Integer("2"));
hSet.add(new Integer("3"));
System.out.println(hSet.contains(new Integer("3")));
}
}
The code above generates the following result.