How to sort objects with Comparable and Comparator in Java
How to sort objects with Comparable and Comparator in Java. Primitive array and list sorting. Java Object sorting with Comparable and Comparator.
How to make a file read only in Java
How to make a file read-only in Java. Simple example using File.setReadOnly() and File.setWritable(boolean) methods.
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 display the content of a directory in Java
How to display the content of a directory in Java. Recursive method used to display all the sub-folders structure.
How to check if directory is empty in Java
How to check if a directory is empty in Java. Example using list() method of File class.
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.
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