List: add(T e) : List « java.util « Java by API

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

List: add(T e)

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

public class Main {

  public static void main(String[] args) {
    List<String> myList = new ArrayList<String>();
    myList.add("Hello");
    myList.add("World");
    myList.add("World");
    Set<String> set = new HashSet<String>(myList);

    System.out.println(set);
  }

}

   
    
  

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