OnJava8-Examples/collections/SimpleCollection.java

// collections/SimpleCollection.java
// (c)2020 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
import java.util.*;

public class SimpleCollection {
  public static void main(String[] args) {
    Collection<Integer> c = new ArrayList<>();
    for(int i = 0; i < 10; i++)
      c.add(i); // Autoboxing
    for(Integer i : c)
      System.out.print(i + ", ");
  }
}
/* Output:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
*/