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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What operator is used for method references in Java?
💡 Hint: Think of the symbol that separates class names and methods.
Question 2
Easy
Provide an example of a static method reference.
💡 Hint: Consider common utility classes.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
Which of the following is a correct syntax for a static method reference?
- ClassName::staticMethod
- object::instanceMethod
- ClassType.new
💡 Hint: Focus on the class type designation and method linkage.
Question 2
True or False: Instance method references can be created without an existing object.
- True
- False
💡 Hint: Think about how instance methods are normally invoked.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java snippet that demonstrates all three types of method references using a simple class.
💡 Hint: Consider using lambda for the instance method while incorporating static and constructor references.
Question 2
In a list of strings, use method references to process each string to get its length and collect them in a list.
💡 Hint: Think about how you can transform a collection using functional programming concepts.
Challenge and get performance evaluation