How to append content to file in Java

In Java, you can use PrintWriter(file,true) to append new content to the end of a file and this will keep the existing content and append the new content to the end of a file.

Also, as of Java 7 , you can use a try-with-resources statement. No finally block is required for closing the declared resource(s) because it is handled automatically, and is also less verbose.
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