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 does the Scanner class do?
💡 Hint: Think about how you get input in a program.
Question 2
Easy
What is the purpose of System.out.println()?
💡 Hint: Recall how you display output in Java.
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 class is commonly used for user input in Java?
- BufferedReader
- Scanner
- FileReader
💡 Hint: Consider which class we discussed for getting input.
Question 2
True or False: System.out.print() adds a new line after the output.
- True
- False
💡 Hint: Think about how each method formats output.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Java program that asks the user for their name and age, then writes this information to a file and reads it back.
💡 Hint: Integrate both input classes and manage file I/O properly.
Question 2
Create a program that reads integers from a file and calculates their sum. Handle exceptions appropriately.
💡 Hint: Don't forget to close the BufferedReader after usage.
Challenge and get performance evaluation