6.3 - Types of Data in Java
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Practice Questions
Test your understanding with targeted questions
What are the eight primitive types in Java?
💡 Hint: Think of the basic data types Java provides.
What is a reference type?
💡 Hint: Consider how strings and arrays work in Java.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following is NOT a primitive type in Java?
💡 Hint: Think about the differences we talked about.
True or False: Primitive types can have variable sizes.
💡 Hint: Recall our discussion on the characteristics of primitive types.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You are developing a game where you need to keep track of player scores (integer values) and their names (String). Discuss how you would utilize primitive and reference types efficiently.
💡 Hint: Consider the data requirements for tracking scores versus names.
In Java, if you declare an int array and set its size in a loop based on user input, explain the memory implications of using a reference type versus declaring multiple primitive int variables.
💡 Hint: Think about how memory allocation varies between singular values and collections.
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Reference links
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