Practice releasing busy resources

"Hi, Amigo!"

"I thought you had already figured out finalize."

"That's what I thought. But now we have this try-with-resources statement."

"Crap. I'm never going to finish learning Java at this rate. I think I understand everything, and then you show up!"

"Don't fret like that—you'll rupture an oil line. Instead, figure out these tasks:"

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Task

Java Multithreading, level 1, lesson 10

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Refactoring methods

Refactor the writeZipEntriesToFile method to use the Java 7 try-with-resources construct. The program should not have commented code.

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Task

Java Multithreading, level 1, lesson 10

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Release resources

Implement the finalize method after first thinking about what exactly it should contain. Refactor the getUsers method to use the Java 7 try-with-resources construct.

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Task

Java Multithreading, level 1, lesson 10

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AutoCloseable and try-with-resources

In the FakeConnection class, implement the AutoCloseable interface so that FakeConnection objects can be used in try-with-resources blocks. The close() method should display the phrase "Closing database connection..." In the try block, call the usefulOperation() method and then the unsupportedOpera

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