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.
ISO8583 flows, fields meaning and values
ISO8583 message flows, data elements values and meanings. Message flows examples, most used data elements and values.
ISO8583 financial transaction message format
Introduction to ISO8583 financial transaction message format. Parts: message type indicator, one or more bitmaps and data elements.
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.
