Practice Class and Code Optimization Tips - 28.8 | 28. JVM Internals and Performance Tuning | Advanced Programming
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28.8 - Class and Code Optimization Tips

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What are primitive types?

💡 Hint: Think of the foundational data types in Java.

Question 2

Easy

Why should we avoid excessive object creation?

💡 Hint: Consider how Java manages memory.

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

Why should you prefer primitive types over wrapper classes?

  • They use less memory
  • They are easier to read
  • They support only integers

💡 Hint: Think about memory usage in applications.

Question 2

True or False: Using synchronized methods are always the best choice for thread management.

  • True
  • False

💡 Hint: Consider scenarios where flexibility is needed.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Implement a simple Java application that demonstrates effective use of string concatenation with StringBuilder in a loop. Include optimizations in object management and caching techniques.

💡 Hint: Consider how to reduce the number of string objects created.

Question 2

Create a multi-threaded application utilizing thread pools and ReentrantLock. Ensure it handles concurrent modifications correctly while optimizing performance.

💡 Hint: Think about how to handle shared data safely in a fast-paced environment.

Challenge and get performance evaluation