Answers for "hashset contains in java"

2

HashSet contains(Object o) method in java

import java.util.HashSet;
public class HashSetContainsObjectMethodExample
{
   public static void main(String[] args)
   {
      HashSet<String> hs = new HashSet<String>();
      hs.add("hello");
      hs.add("world");
      hs.add("java");
      // check if element exists
      boolean bool = hs.contains("world");
      System.out.println("Is element 'world' exists: " + bool);
   }
}
Posted by: Guest on October-28-2020
0

hashset contains java

HashSet<Integer> set = new HashSet<Integer>();      
set.contains(110)//public boolean contains(Object o)
Posted by: Guest on June-22-2020

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