How to copy directory in Java
How to copy a directory and all sub-directories or files in Java. The recursive method used to traverse all the subdirectories.
How to copy files in Java
How to copy files in Java with three examples: Classic method with streams, using FileChannel class and using Files class.
How to calculate date/time difference in Java
How to calculate the date and time difference in Java using a simple method of division and remainder of division.
How to compare dates in Java
How to compare dates in Java using Date (compareTo, before, after, equals), Calendar(before, after, equals) and LocalDate(isBefore, isAfter, equals) classes.
How to get input from Java Console
How to get input from Java Console. Examples using System.console, Scanner and BufferedReader + InputStreamReader.
Client Server Socket example in Java
Client Server Socket example in Java. Client example reading the input from the console. Simple echo server example.
