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4 cards from this section. Quick, good the night before a test.
What is the size of an int data type in Java?
Think of the size relative to the `byte`.
What would you use a char data type for?
Remember it can only hold one letter.
How many bytes does a double occupy in Java?
It is larger than `float`.
True or False: A String is a primitive data type.
Remember the definitions of each type.
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.
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.
Consider scenarios where speed is essential.
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