Convert Collection to ArrayList
import java.util.ArrayList; import java.util.LinkedList; public class Main { public static void main(String[] args) { LinkedList<String> linkedList = new LinkedList<String>(); linkedList.push("A"); linkedList.push("B"); linkedList.push("C"); linkedList.push("D"); ArrayList<String> arrayList = new ArrayList<String>(linkedList); for (String s : arrayList) { System.out.println("s = " + s); } } }