Practice Types Of Method References (1.4.1) - Functional Programming in Java

Practice: Types of Method References

Lesson 1.4.1Functional Programming in Java

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9 questions

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6 sample questions

Question 1.
What operator is used for method references in Java?
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Think of the symbol that separates class names and methods.
Question 2.
Provide an example of a static method reference.
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Consider common utility classes.
3Question 3.
Which of the following is a correct syntax for a static method reference?
- ClassName::staticMethod
- object::instanceMethod
- ClassType.new
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Focus on the class type designation and method linkage.
4Question 4.
True or False: Instance method references can be created without an existing object.
- True
- False
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Think about how instance methods are normally invoked.
Question 5.
Create a Java snippet that demonstrates all three types of method references using a simple class.
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Consider using lambda for the instance method while incorporating static and constructor references.
Question 6.
In a list of strings, use method references to process each string to get its length and collect them in a list.
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Think about how you can transform a collection using functional programming concepts.

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