Practice Static Methods (5.10) - Chapter 5: Methods and Parameter Passing in Java

Practice: Static Methods

Lesson 5.10Methods and Parameter Passing in Java

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9 questions

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6 sample questions

Question 1.
What keyword is used to declare a static method in Java?
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Think about the keyword that signifies the method's relevance to the class.
Question 2.
Can you invoke a static method without creating an instance of the class?
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Consider how you would call a utility method.
3Question 3.
What is the primary purpose of a static method?
- To perform instance-specific actions
- To belong globally to all instances
- To perform class-level actions
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Think about what it means to belong to a class.
4Question 4.
Can static methods access instance variables?
- True
- False
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Consider how instances differ from classes.
Question 5.
Create a Java program with a static method that calculates the factorial of a number. Include a main method that demonstrates its use.
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Consider using recursion to calculate factorial.
Question 6.
Explain why static methods are often used in Java's utility classes. Provide an example of such a utility class.
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Think about how and when you would use Math functions in your programs.

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