Sort items of an ArrayList : ArrayList « Collections Data Structure « Java

1. Java
2. Collections Data Structure
3. ArrayList

Sort items of an ArrayList

     
 
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class Main {
  public static void main(String[] args) {
    List<String> colours = new ArrayList<String>();
    colours.add("red");
    colours.add("green");
    colours.add("blue");
    colours.add("yellow");
    colours.add("cyan");
    colours.add("white");
    colours.add("black");

    Collections.sort(colours);
    System.out.println(Arrays.toString(colours.toArray()));

    Collections.sort(colours, Collections.reverseOrder());
    System.out.println(Arrays.toString(colours.toArray()));
  }
}

   
    
    
    
    
  

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