Practice Primitive Values, Wrapper Classes, Types, And Casting (6) - Primitive Values, Wrapper Classes, Types, and Casting

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10 questions

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6 sample questions

Question 1.
What is the range of a byte data type?
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Think about how many values can fit in 8 bits.
Question 2.
What is AutoBoxing?
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It happens when passing a primitive to a method expecting an object.
3Question 3.
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
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Recall the size of int in bits.
4Question 4.
True or False: A boolean data type can hold values other than true or false.
- True
- False
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Think about the definition of boolean.
Question 5.
Write a Java program that demonstrates AutoBoxing and UnBoxing using a list of integers.
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Use a collection to store integers using wrapper classes.
Question 6.
Explain the significance of type conversion in real-world applications of Java. Provide a practical example.
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Think about user interactions with software applications.

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