The clone() method is used to create copy of a given deque.
Package: java.util
Java Platform: Java SE 8
Syntax:
clone()
Return Value:
a copy of this deque
Return Value Type: ArrayDeque<E - the type of elements held in this collection>
Pictorial Presentation
Example: Java ArrayDeque Class: clone() Method
import java.util.ArrayDeque;
import java.util.Deque;
public class Main {
public static void main(String[] args) {
// Create an empty array deque with an initial capacity
ArrayDeque<Integer> deque = new ArrayDeque<Integer>(5);
// Use add() method to add elements in the deque
deque.add(10);
deque.add(20);
deque.add(30);
deque.add(40);
System.out.println("Original deque:");
for (Integer n : deque) {
System.out.println("Number = " + n);
}
// clone the above deque,
Deque<Integer> cdeque = deque.clone();
// Print the elements of the clone deque
System.out.println("Coloned deque:");
for (Integer n : cdeque) {
System.out.println("Number = " + n);
}
}
}
Output:
Original deque: Number = 10 Number = 20 Number = 30 Number = 40 Coloned deque: Number = 10 Number = 20 Number = 30 Number = 40
Java Code Editor:
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