Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a marker interface?
π‘ Hint: Think about what it means to mark a class.
Question 2
Easy
What does the transient keyword do?
π‘ Hint: Consider sensitive information.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of the Serializable interface?
π‘ Hint: Think about what serialization does.
Question 2
True or False: All fields in a Serializable class are serialized by default.
π‘ Hint: Consider special keywords and modifiers.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
Create a Serializable class structure that involves inheritance. Show how it handles serialization across parent and child classes. Discuss potential pitfalls.
π‘ Hint: Consider class relationships and the Serializable interface.
Question 2
Design a user-related class with sensitive data. Discuss how you would implement serialization safely, including any guidelines.
π‘ Hint: Think about how to protect sensitive information during serialization.
Challenge and get performance evaluation