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3 cards from this section. Quick, good the night before a test.
What package would you use to work with lists?
Think of the utility classes for data storage.
Which package is automatically imported by default?
This package contains fundamental classes.
Which of the following packages is used for network programming?
Recall the purpose of the package related to networking.
True or False: The java.lang package is automatically imported.
Consider what is always available in Java.
Write a Java program that uses the java.util.HashMap to store and display the names and ages of three people.
Think about how key-value pairs work.
Explain how to handle file reading using java.io package by creating a simple program that reads data from a text file.
Recall how to create a stream to read from files.
5 more questions in this section. Enroll free to practise them all.
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