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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the range of a byte data type?
💡 Hint: Think about how many values can fit in 8 bits.
Question 2
Easy
What is AutoBoxing?
💡 Hint: It happens when passing a primitive to a method expecting an object.
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 range of an int data type in Java?
- -2^15 to 2^15-1
- -2^31 to 2^31-1
- 0 to 255
💡 Hint: Recall the size of int in bits.
Question 2
True or False: A boolean data type can hold values other than true or false.
- True
- False
💡 Hint: Think about the definition of boolean.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Java program that demonstrates AutoBoxing and UnBoxing using a list of integers.
💡 Hint: Use a collection to store integers using wrapper classes.
Question 2
Explain the significance of type conversion in real-world applications of Java. Provide a practical example.
💡 Hint: Think about user interactions with software applications.
Challenge and get performance evaluation