How to copy directory in Java
In Java, we can use the Java 1.7 FileVisitor or Apache Commons IO FileUtils.copyDirectory to copy a directory, which includes its sub-directories and files. This article shows a few of…
Java 8 – How to sort a Map
Java 8 Stream examples to sort a Map, by keys or by values. Steps to sort a Map in Java 8: (1) Convert a Map into a Stream, (2) Sort…
How to convert String to Char Array
In this article, we will examine some example to convert String to Char array vise verse.