2.4 - Data Types in Java
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Practice Questions
Test your understanding with targeted questions
What is the size of an int data type in Java?
💡 Hint: Think of the size relative to the `byte`.
What would you use a char data type for?
💡 Hint: Remember it can only hold one letter.
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Interactive Quizzes
Quick quizzes to reinforce your learning
How many bytes does a double occupy in Java?
💡 Hint: It is larger than `float`.
True or False: A String is a primitive data type.
💡 Hint: Remember the definitions of each type.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Create a Java program that uses at least two primitive data types and one non-primitive data type. Explain the role of each data type used.
💡 Hint: Think about how age can be a number and name can be a sequence of characters.
Discuss the implications of using different data types in terms of memory consumption and performance. Provide a scenario where using a primitive type would be better than a non-primitive type.
💡 Hint: Consider scenarios where speed is essential.
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