Java Collection How to - Get min/max value with Comparator

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Question

We would like to know how to get min/max value with Comparator.

Answer

//from  w  w w  . j ava 2 s  .  com
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
public class Main {
  public static void main(String args[]) {
    String str[] = { "B", "H", "L", "M", "R" };
    List list = Arrays.asList(str);
    System.out.println(Collections.min(list));
    System.out.println(Collections.max(list));
    Comparator comp = Collections.reverseOrder();
    System.out.println(Collections.min(list, comp));
    System.out.println(Collections.max(list, comp));
  }
}

The code above generates the following result.

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