Given empty Linked List menultems, where would menultems.add(2, "Salsa"); place the element "Salsa"? menuItems.add("Nachos"); menuItems.add("Pizza"); menuItems.add("Pasta"); O After "Pasta" O After "Nachos" O After "Pizza" O Before "Nachos"
Given empty Linked List menultems, where would menultems.add(2, "Salsa"); place the element "Salsa"? menuItems.add("Nachos"); menuItems.add("Pizza"); menuItems.add("Pasta"); O After "Pasta" O After "Nachos" O After "Pizza" O Before "Nachos"
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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Transcribed Image Text:### LinkedList Element Insertion Question
**Question:**
Given an empty `LinkedList<String>` called `menuItems`, consider the following operations:
```java
menuItems.add("Nachos");
menuItems.add("Pizza");
menuItems.add("Pasta");
```
Where would `menuItems.add(2, "Salsa")` place the element "Salsa"?
**Options:**
- ○ After "Pasta"
- ○ After "Nachos"
- ○ After "Pizza"
- ○ Before "Nachos"
**Explanation:**
This question tests your understanding of how elements are inserted into a `LinkedList` at a specific index. When you begin with an empty list and add "Nachos," "Pizza," and "Pasta" in sequence, the list will be as follows:
1. Nachos
2. Pizza
3. Pasta
When you use `menuItems.add(2, "Salsa");`, the new element "Salsa" is inserted at index 2, shifting "Pasta" to index 3. Therefore, "Salsa" is placed after "Pizza".
**Correct Answer:**
- ○ After "Pizza"
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