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

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6 sample questions

Question 1.
What is a primitive data type in Java?
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Think of the simplest forms of data representation.
Question 2.
Name three primitive data types in Java.
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Remember the types that store numerical values and logical values.
3Question 3.
How many primitive data types are there in Java?
- 5
- 6
- 8
- 7
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Count them - byte, short, int, long, float, double, char, boolean.
4Question 4.
True or False: Wrapper classes can store primitive values directly.
- True
- False
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Recall the difference between objects and primitives.
Question 5.
Write a Java program that demonstrates the use of all eight primitive types and their wrapper classes.
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Focus on defining all primitive types and converting them into wrapper classes.
Question 6.
Explain a scenario where narrowing conversion might lead to data loss. Provide an example.
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Consider cases where higher precision types are converted to lower precision.

6 more questions in this section. Enroll free to practise them all.