HashSet: addAll(Collection c) : HashSet « java.util « Java by API






  1. Java by API
  2. java.util
  3. HashSet

HashSet: addAll(Collection c)

 
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[] { "E", "F" };

    set.addAll(Arrays.asList(elements));

    System.out.println(set);
  }
}








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4.HashSet: clear()
5.HashSet: clone()
6.HashSet: contains(Object o)
7.HashSet: containsAll(Collection c)
8.HashSet: isEmpty()
9.HashSet: iterator()
10.HashSet: removeAll(Collection c)
11.HashSet: size()
12.HashSet: toArray()