Java Mistakes: Avoid leaking resources use the try-with-resources statement!

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Resource leaks occur when a program fails to release system resources such as files, network sockets, or database connections after they are no longer needed. If left unchecked, these leaks can cause the program to run out of memory or other system resources, and may even cause the program to crash or behave unpredictably.

From Java 7 there is a new statement, the try-with-resources that helps you write better code, scoping the resource usage, and avoiding leaks.

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