AbstractSet: removeAll(Collection c) : AbstractSet « java.util « Java by API

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

AbstractSet: removeAll(Collection c)

/*
 Output:

true
[I, G, E]

 * */

import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class MainClass {
  public static void main(String args[]) {
    String orig[] = { "I", "P", "E", "G", "P" };
    String act[] = { "P", "P", "S" };
    Set origSet = new HashSet(Arrays.asList(orig));
    List actList = Arrays.asList(act);

    System.out.println(origSet.removeAll(actList));
    System.out.println(origSet);
  }
}
           
       

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