import java.util.ArrayList;
import java.util.Collections;
public class Main {
public static void main(String[] args) {
ArrayList arrayList = new ArrayList();
arrayList.add("1");
arrayList.add("3");
arrayList.add("5");
arrayList.add("2");
arrayList.add("4");
Collections.sort(arrayList);
for (String str: arrayList)
System.out.println(str);
}
}
/*
1
2
3
4
5
*/