Find Minimum element of Java ArrayList in Java

// ww  w . ja  v a2s  .  com
import java.util.ArrayList;
import java.util.Collections;

public class Main {
  public static void main(String[] args) {
    ArrayList<Integer> arrayList = new ArrayList<Integer>();

    arrayList.add(new Integer("1"));
    arrayList.add(new Integer("2"));
    arrayList.add(new Integer("3"));
    arrayList.add(new Integer("4"));
    arrayList.add(new Integer("5"));

    Object obj = Collections.min(arrayList);
    System.out.println(obj);
  }
}