Implement removeLast for a doubly linked list
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Implement removeLast for a doubly linked list
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no usages new
@Test
/**This test checks the correct implementation of the remove Last method. */
public void remove Last Test() {
Deque<Integer> deque = new Linked List Deque<>();
}
}
deque.addFirst(x: 1);
deque.addFirst(x: 2);
deque.addLast(x: 3);
I
Integer removed Element = deque.removeLast();
assert That (removed Element).isEqualTo( expected: 3);
assert That (deque.size()).is EqualTo( expected: 2);
assert That (deque.get (0)).is EqualTo( expected: 1);
assert That (deque.get (1)).is EqualTo( expected: 1);|
assert That (deque.toList()). contains Exactly(...varargs: 2,1).inOrder();
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