ArrayList or LinkedList

ArrayList or LinkedList

import java.util.*;

public class TestArrayLinked {
	public static void main(String args[]) {

		List<String> al = new ArrayList<String>();// creating arraylist
		al.add("Ravi");// adding object in arraylist
		al.add("Vijay");
		al.add("Ravi");
		al.add("Ajay");

		List<String> al2 = new LinkedList<String>();// creating linkedlist
		al2.add("James");// adding object in linkedlist
		al2.add("Serena");
		al2.add("Swati");
		al2.add("Junaid");

		System.out.println("arraylist: " + al);
		System.out.println("linkedlist: " + al2);
	}
}

点击查看结果

```
arraylist: [Ravi, Vijay, Ravi, Ajay]
linkedlist: [James, Serena, Swati, Junaid]
```