HashSet remove(Object o) method in java
import java.util.HashSet; public class HashSetRemoveObjectMethodExample { public static void main(String[] args) { HashSet<String> hs = new HashSet<String>(); hs.add("hello"); hs.add("world"); hs.add("java"); System.out.println("HashSet before using remove(Object o) method: " + hs); // remove string "world" from HashSet boolean bool = hs.remove("world"); System.out.println("Has string removed? " + bool); System.out.println("HashSet after using remove(Object o) method: " + hs); } }
