ArrayList clone() method in Java with Examples
The Java.util.ArrayList.clone() method is used to create a shallow copy of the mentioned array list. It just creates a copy of the list.
Syntax:
ArrayList.clone()
Parameters: This method does not take any parameters.
Return Value: This function returns a copy of the instance of Linked list.
Below program illustrate the Java.util.ArrayList.clone() method:
Example 1:
// Java code to illustrate clone() method import java.io.*;import java.util.ArrayList; public class ArrayListDemo { public static void main(String args[]) { // Creating an empty ArrayList ArrayList<String> list = new ArrayList<String>(); // Use add() method // to add elements in the list list.add("Geeks"); list.add("for"); list.add("Geeks"); list.add("10"); list.add("20"); // Displaying the list System.out.println("First ArrayList: " + list); // Creating another linked list and copying ArrayList sec_list = new ArrayList(); sec_list = (ArrayList)list.clone(); // Displaying the other linked list System.out.println("Second ArrayList is: " + sec_list); }} |
Output:
First ArrayList: [Geeks, for, Geeks, 10, 20] Second ArrayList is: [Geeks, for, Geeks, 10, 20]
Example 2:
// Java code to illustrate clone() method import java.io.*;import java.util.ArrayList; public class ArrayListDemo { public static void main(String args[]) { // Creating an empty ArrayList ArrayList<Integer> list = new ArrayList<Integer>(); // Use add() method // to add elements in the list list.add(10); list.add(20); list.add(30); list.add(40); list.add(50); // Displaying the list System.out.println("First ArrayList: " + list); // Creating another linked list and copying ArrayList sec_list = new ArrayList(); sec_list = (ArrayList)list.clone(); // Displaying the other linked list System.out.println("Second ArrayList is: " + sec_list); }} |
Output:
First ArrayList: [10, 20, 30, 40, 50] Second ArrayList is: [10, 20, 30, 40, 50]
