Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary purpose of arrays in Java?
💡 Hint: Think about what collections of data often need.
Question 2
Easy
Can strings in Java be changed after creation?
💡 Hint: What does immutability mean?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does an array in Java store?
- Multiple values of different types
- Multiple values of the same type
- Only one value
💡 Hint: Consider what a collection means in programming.
Question 2
True or False: Strings in Java can be modified after creation.
- True
- False
💡 Hint: What does the term 'immutable' suggest?
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create an integer array to store five different numbers, define it, assign values, and write code to print each value.
💡 Hint: Use a loop for output.
Question 2
Write a function that takes a string and returns the first character of that string.
💡 Hint: Think about how to access specific characters in a string.
Challenge and get performance evaluation