Java 8 forEach examples. Map and list loop using lambda, method reference, stream and filter.

• Read more

GET/POST request tutorial using Apache HttpClient. The tutorial is using httpbin.org test server.

• Read more

How to make a file read-only in Java. Simple example using File.setReadOnly() and File.setWritable(boolean) methods.

• Read more

How to copy a directory and all sub-directories or files in Java. The recursive method used to traverse all the subdirectories.

• Read more

How to copy files in Java with three examples: Classic method with streams, using FileChannel class and using Files class.

• Read more

How to compare dates in Java using Date (compareTo, before, after, equals), Calendar(before, after, equals) and LocalDate(isBefore, isAfter, equals) classes.

• Read more