HashSet: contains(Object o) : HashSet « java.util « Java by API

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Java by API » java.util » HashSet

HashSet: contains(Object o)


 





import java.util.Arrays;

import java.util.HashSet;

import java.util.Set;



public class Main {



  public static void main(String[] a) {

    String elements[] = { "A", "B", "C", "D", "E" };

    Set<String> set = new HashSet<String>(Arrays.asList(elements));



    System.out.println(set.contains("A"));

  }

}

Related examples in the same category

1.	new HashSet < E > ()
2.	new HashSet(Collection c)
3.	HashSet: add(E o)
4.	HashSet: addAll(Collection c)
5.	HashSet: clear()
6.	HashSet: clone()
7.	HashSet: containsAll(Collection c)
8.	HashSet: isEmpty()
9.	HashSet: iterator()
10.	HashSet: removeAll(Collection c)
11.	HashSet: size()
12.	HashSet: toArray()

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