Blog Archives
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02: Java 8 Streams, lambdas, intermediate vs terminal ops, and lazy loading with simple examples

A stream is an infinite sequence of consumable elements (i.e a data structure) for the consumption of an operation or iteration. Any Collection<T> can be exposed as a stream. It looks complex, but once you get it, it is very simple. The operations you perform on a stream can either… …

BeanIO Java tutorial

BeanIO is an open source Java framework for marshaling and marshaling Java beans from a flat file, stream, or simple String object. It is very powerful with support for XML, CSV, delimited and fixed length stream formats, Object binding, filed validation, integration with spring-batch, etc. Here is a basic tutorial …

Debugging like a pro with eclipse IDE tutorial for Java developers

Often you get to work on a fully functional Java application that is already in production to fix production issues or to enhance its existing functionality. As a new Java developer in the team, it is not easy to get started and contributing. The approach would be slightly different from …

Java and JAXB Tutorial – Marshaling

This blog posts extends Java and JAXB tutorial: Unmarshalling.

Q. Can you create your Java objects from XSDs?
A. Yes, you can by binding a schema. Binding a schema means generating a set of Java classes that represents the schema. All JAXB implementations provide a tool called a …

Java and JAXB tutorial – unmarshalling

Q. What does JAXB stand for? What is an XML Binding?
A. JAXB means Java API for Xml Binding. XML binding maps an XML to in-memory Java objects. The principle advantage of using JAXB when marshaling and demarshaling XML is that is simplifies the programming model by allowing us …

Java and JSON tutorial with Jackson library

Q. What is JSON and when to favor it over XML? A. JSON (JavaScript Object Notation) is a lightweight, text-based, language-netral like XML, but less verbose than XML data exchange format. JSOJ is used in Web services to exchange data between client and server. Client makes ajax requests to get… …

Java and XML tutorial with DOM Parser

Q. What is a DOM parser, and when will you use it? A. The Java DOM API for XML parsing is intended for working with small to medium XML documents as an object graph in memory. The DOM parser traverses the XML file and creates the corresponding DOM objects linked together… …

Java and XML tutorial with SAX parser – reading only

Q. What is a SAX Parser and when will you use it? A. SAX  (Simple API for XML) is a stream oriented API like StAX, but Unlike StAX, which can read and write, but SAX can only read. Unlike StAX, which can’t validate schema, SAX can perform schema validation. SAX works… …

Java and XML tutorial with StAX parser – reading

Q. What is a StAX Parser and when will you use it?
A. The StAX Java API for XML processing is designed for parsing XML streams, just like the SAX API’s, but

  • StAX is a “pull” API whereas SAX is a “push” API.
  • StAX can do both XML reading

Java and XML tutorial with Stax Parser – writing cursor based and iterator based

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Java developer & architect Q&As

Java developers Q&As