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
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is Garbage Collection?
💡 Hint: Think about memory management in programming.
Question 2
Easy
What are the two main phases of Garbage Collection?
💡 Hint: Consider the first phase as identifying and the second as removing.
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 is the main purpose of Garbage Collection?
- Via manual memory management
- Auto freeing of memory from unreachable objects
- Identifying data integrity issues
💡 Hint: Think of memory as resources that need to be managed efficiently.
Question 2
True or False: The mark phase of Garbage Collection removes unreachable objects.
- True
- False
💡 Hint: Remember the sequence of phases.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a scenario where an application has several listeners that are never removed after their purpose is fulfilled. Identify the potential memory issue and provide strategies to mitigate it.
💡 Hint: Think about lifecycle management of listeners.
Question 2
You have developed a Java application that keeps throwing OutOfMemoryError despite active Garbage Collection. What steps can you take to diagnose and resolve this issue?
💡 Hint: Investigate how references are managed throughout the application's lifecycle.
Challenge and get performance evaluation