Practice Non-primitive Data Types (1.4.NonPrimitive) - Chapter 7: Variables and Expressions

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8 questions

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6 sample questions

Question 1.
What is a non-primitive data type? Give an example.
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Think of types that can store more than one value.
Question 2.
Name a non-primitive type in Java.
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Consider structures that have a more complex nature.
3Question 3.
What is the primary characteristic of non-primitive data types?
- A. They hold a single value
- B. They can store multiple values
- C. They are only numerical
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Consider types that can encapsulate collections of data.
4Question 4.
True or False: Strings in Java can be modified after they've been created.
- True
- False
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Think about whether you can change a string directly.
Question 5.
Create a Java program that utilizes an array to store names of five students and prints them out one by one.
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Remember how to declare and loop through an array.
Question 6.
Design an interface named 'Animal' with methods 'eat' and 'sleep', and implement it in a class 'Dog'.
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Think about how interfaces define methods that classes must implement.

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