how to select a random element from a list in java code example

Example 1: how to select a random element from an array in java

import java.util.Random;

public class RandomStringFromArray
{    
  	public static void main(String[] args)    
    {        
      	String[] arr={"1", "2", "3", "4", "5"};
      	Random r=new Random();        
      	int randomNumber=r.nextInt(arr.length);
      	System.out.println(arr[randomNumber]);
    }
}

Example 2: get n random elements from list java

List<Foo> list = createItSomehow();
Collections.shuffle(list);
Foo foo = list.get(0);