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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What keyword is used to create an object in Java?
💡 Hint: Think about how you instantiate things in Java.
Question 2
Easy
What is a class in relation to objects?
💡 Hint: It defines the structure and behaviors of the objects.
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 keyword is used to create a new object in Java?
- create
- new
- object
💡 Hint: It's the common keyword for instantiation.
Question 2
A constructor is used to initialize ___.
- True
- False
💡 Hint: Think about its purpose in the creation process.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a program that creates multiple Car objects using different constructors and calls their methods. Explain how constructors are used.
💡 Hint: Use different car attributes in each constructor call.
Question 2
Discuss how garbage collection can affect performance in a Java application and how you could minimize its impact.
💡 Hint: Consider practices like reusing objects and optimizing allocation.
Challenge and get performance evaluation