Shallow copy of current ArrayList
Object clone()
- Returns a shallow copy of this ArrayList instance.
import java.util.ArrayList;
import java.util.List;
public class Main {
public static void main(String args[]) {
ArrayList<String> al = new ArrayList<String>();
al.add("C");
al.add("A");
al.add("E");
al.add("java2s.com");
al.add("D");
al.add("F");
al.add(1, "java2s.com");
System.out.println(al);
Object list = al.clone();
System.out.println(list);
}
}
The output:
[C, java2s.com, A, E, java2s.com, D, F]
[C, java2s.com, A, E, java2s.com, D, F]
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
public class Main {
public static void main(String[] args) {
Queue<String> queue = new LinkedList<String>();
queue.add("Hello");
queue.add("java2s.com");
List<String> list = new ArrayList<String>(queue);
System.out.println(list);
}
}
The output:
[Hello, java2s.com]
Home
Java Book
Collection
Java Book
Collection
ArrayList:
- ArrayList Class
- Create ArrayList object
- Add to ArrayList
- Clear an ArrayList
- Shallow copy of current ArrayList
- If contain a certain object
- Increases the capacity of an ArrayList
- Get/Replace element by index
- Get object for index
- Remove from ArrayList
- Get the size and trim to size
- If ArrayList is empty
- Convert ArrayList to array