What are resource leaks in Java and how can I prevent them?
Resource leaks in Java occur when resources like file handles, database connections, or network sockets are not properly released after use. This can lead to performance issues and application crashes.
Can you give me an example of a resource leak?
Sure! For instance, if you open a file using FileInputStream
but forget to close it, the file handle remains open, causing a resource leak.
How can I ensure that resources are always closed?
You can use the try-with-resources statement introduced in Java 7, which automatically closes resources when done.
What happens if I don't close resources?
Not closing resources can lead to memory leaks, increased resource consumption, and eventually, your application may run out of resources, causing it to crash.
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