Question
Name 5 IO best practices?
Answers
IO is very important for performance of your Java application. Ideally you should avoid IO in critical path of your application. Here are couple of Java IO best practices you can follow:
a) Use buffered IO classes instead of reading individual bytes and char.
b) Use classes from NIO and NIO2
c) Always close streams in finally block or use try-with-resource statements.
d) use memory mapped file for faster IO.
If a Java candidate doesn't know about IO and NIO, especially if he has at least 2 to 4 years of experience, he needs some reading.   Your Comment




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