Java Sort List of Objects with Comparator

This tutorial shows you way to Sort List of Objects by implementing Comparator example.

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How to write Text File in Java by BufferedWriter

Java provides a BufferedWriter for writting content to File with high performance when performing with large number of write action. Because BufferedWriter decreases I/O interaction by using internal buffer to write data into File.
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Java Regular Expression to mask information from a Text

This tutorial shows you how to mask information from a Text using Regular expression.

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