Remove an element from hash set

ReturnMethodSummary
booleanremove(Object o)Removes the specified element from this set if it is present.

  import java.util.HashSet;

public class Main {
  public static void main(String args[]) {
    HashSet<String> hs = new HashSet<String>();

    hs.add("java2s.com");
    hs.add("A");
    hs.add("D");
    hs.add("E");
    hs.add("C");
    hs.add("j a v a2s.com");
    System.out.println(hs);
    hs.remove("A");
    System.out.println(hs);
  }
}

The output:


[D, E, j a v a2s.com, A, java2s.com, C]
[D, E, j a v a2s.com, java2s.com, C]
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