//import packages
import java.util.ArrayList;
import java.util.function.Consumer;
public class Coll
{
public static void main(String[] args)
{
//obj
AL
ArrayList list = new ArrayList();
list.add(10);
list.add(11);
list.add(13);
list.add(14);
list.add(16);
list.add(20);
list.add(22);
//find
index by value
System.out.println(list.indexOf(13));
System.out.println("New list: "+list);
//create
same type of list by clone() method
System.out.println("clone list: "+list.clone());
//add
element at created index
list.add(3, 33);
System.out.println(list);
//check list empty of full
System.out.println(list.containsAll(list));
//elements in list
System.out.println(list);
//element at index
System.out.println(list.get(3));
//remove element at index
list.remove(3);
System.out.println(list);
ArrayList list1 = new ArrayList();
//same type of list
list1.addAll(list);
System.out.println(list1);
//clear element from ArrayLIst
list.clear();
System.out.println(list);
}
}
Sample output:
2
New list: [10, 11, 13, 14, 16, 20, 22]
clone list: [10, 11, 13, 14, 16, 20, 22]
[10, 11, 13, 33, 14, 16, 20, 22]
true
[10, 11, 13, 33, 14, 16, 20, 22]
33
[10, 11, 13, 14, 16, 20, 22]
[10, 11, 13, 14, 16, 20, 22]
[ ]