How to generate tables from entities using EclipseLink
How to generate entities from tables using EclipseLink. Simple example using one-to-one database relationship. @MappedSuperclass example included
How to read XML file in Java using DOM
How to read XML file in Java using DOM. 2 methods: one reading each element by the name and second parsing the entire DOMobject.
How to create XML file in Java using DOM
How to create XML file in Java using DOM. Simple example with pretty printing to output the content to console or to a file.
How to read and write files in Java
How to read and write files in Java using BufferedReader and BufferedWriter. The example highlights the classic resource release and try-with-resource approach.
Java Exceptions handling
How to handle exceptions in Java. Checked and unchecked exceptions example using custom implementation.
How to convert object to / from JSON using Jackson
How to convert Java object to / from JSON string using Jackson library. Simple example including embedded object.
