The Complete Java Developer Course: From Beginner to Master - ArrayLists

Interactive Video
•
Information Technology (IT), Architecture
•
University
•
Hard
Wayground Content
FREE Resource
Read more
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key limitation of arrays in Java?
They have a fixed size and cannot grow dynamically.
They can only store integers.
They cannot store more than 10 elements.
They can only be used in the main method.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which package do you need to import to use ArrayLists in Java?
java.lang
java.net
java.io
java.util
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you add an element to an ArrayList?
Using the insert method
Using the add method
Using the append method
Using the push method
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to determine the number of elements in an ArrayList?
elements()
size()
count()
length()
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major difference between ArrayLists and arrays in terms of data types?
ArrayLists can store primitive types directly.
Arrays can store reference types only.
ArrayLists can only store strings.
ArrayLists can only store reference types, not primitives.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't ArrayLists store primitive types directly?
They can only store objects.
They require a fixed size.
They only hold reference types, not primitives.
They are designed to store only strings.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the enhanced for loop in Java?
To add elements to a collection.
To remove elements from a collection.
To iterate over elements in a collection more efficiently.
To sort elements in a collection.
Similar Resources on Wayground
6 questions
HTML CSS and JavaScript for Beginners - A Web Design Course - JavaScript Add to Object

Interactive video
•
University
2 questions
Selenium WebDriver with Java - Basics to Advanced and Frameworks - Examples of Array List

Interactive video
•
University
2 questions
Comprehensive Android Developer Bootcamp - ArrayLists - and Introduction

Interactive video
•
University
5 questions
Selenium WebDriver with Java - Basics to Advanced and Frameworks - Building Programming Logic to Process Items in an Arr

Interactive video
•
University
6 questions
Complete Java SE 8 Developer Bootcamp - Sorting and Searching Arrays

Interactive video
•
University
2 questions
Data Structures and Algorithms The Complete Masterclass - Array Introduction

Interactive video
•
University
6 questions
The Front-End Web Developer Bootcamp - HTML, CSS, JS, and React - Modify and Delete Arrays

Interactive video
•
University
6 questions
Array Introduction

Interactive video
•
University
Popular Resources on Wayground
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
10 questions
Nouns, nouns, nouns

Quiz
•
3rd Grade
10 questions
9/11 Experience and Reflections

Interactive video
•
10th - 12th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
11 questions
All about me

Quiz
•
Professional Development
22 questions
Adding Integers

Quiz
•
6th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
9 questions
Tips & Tricks

Lesson
•
6th - 8th Grade
Discover more resources for Information Technology (IT)
21 questions
Spanish-Speaking Countries

Quiz
•
6th Grade - University
20 questions
Levels of Measurements

Quiz
•
11th Grade - University
7 questions
Common and Proper Nouns

Interactive video
•
4th Grade - University
12 questions
Los numeros en español.

Lesson
•
6th Grade - University
7 questions
PC: Unit 1 Quiz Review

Quiz
•
11th Grade - University
7 questions
Supporting the Main Idea –Informational

Interactive video
•
4th Grade - University
12 questions
Hurricane or Tornado

Quiz
•
3rd Grade - University
7 questions
Enzymes (Updated)

Interactive video
•
11th Grade - University