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3 cards from this section. Quick, good the night before a test.
What is a wrapper class in Java?
Consider how primitives are limited in their capabilities.
What method would you use to convert a String to an int?
Think of what you would do with user input.
What is the Java wrapper class for the primitive type 'int'?
Think of how you represent whole numbers in Java.
AutoBoxing refers to what?
Consider conversion and what happens automatically in Java.
Create a Java code snippet that demonstrates AutoBoxing with an ArrayList. What would the output be when retrieving the value?
Think about how Java handles objects in collections vs. primitives.
Discuss a scenario where using a wrapper class is necessary, providing a specific example of method usage.
Consider the differences between primitive storage and object storage.
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