Creating a Set That Retains Order-of-Insertion : LinkedHashSet « Collections Data Structure « Java

1. Java
2. Collections Data Structure
3. LinkedHashSet

Creating a Set That Retains Order-of-Insertion

 

import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Set;

public class Main {
  public static void main(String[] argv) throws Exception {

    Set<String> set = new LinkedHashSet<String>();

    // Add some elements
    set.add("1");
    set.add("2");
    set.add("3");
    set.add("2");

    // List the elements
    for (Iterator it = set.iterator(); it.hasNext();) {
      Object o = it.next();
    }
  }
}

   
  

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