Java Set.containsAll(Collection <?> c)

Syntax

Set.containsAll(Collection <?> c) has the following syntax.

boolean containsAll(Collection <?> c)

Example

In the following code shows how to use Set.containsAll(Collection <?> c) method.


/*  w w w.j  a  v a  2s.  co  m*/
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));

    elements = new String[] { "A", "B", "C" };
    Set<String> set2 = new HashSet<String>(Arrays.asList(elements));

    System.out.println(set.containsAll(set2));
  }
}