Latest Articles

03 February 2013

In this tutorial you will learn how to override the default Java serialization mechanism and also how to provide a custom serialization implementation.

By implementing the Serializable interface we are defining our class to be serializable by the JVM (we have already seen basic serialization before at Java Serializable example). This time we will cov... Read more

io java serialization

Spring transaction isolation level tutorial

30 January 2013

In this tutorial you will learn about the transaction isolation level provided by the Spring framework.

Transaction isolation level is a concept that is not exclusive to the Spring framework. It is applied to transactions in general and is directly related with the ACID transaction properties. Isolation... Read more

java spring tx

Spring transaction propagation tutorial

26 January 2013

In this tutorial you will learn about the transaction propagation behaviors provided by the Spring framework.

While dealing with Spring managed transactions the developer is able to specify how the transactions should behave in terms of propagation. In other words the developer has the ability to decide how t... Read more

java spring tx

Java transient modifier example

22 January 2013

In this tutorial you will learn how to use the transient keyword as a property modifier in Java.

The transient keyword may be used as a property modifier in Java and is directly related with serialization. In short the properties declared as transient are not serialized by the default serializati... Read more

io java serialization

Java Externalizable example

17 January 2013

In this tutorial you will learn how to implement a custom serialization mechanism by implementing the Externalizable interface.

The Externalizable interface provides the necessary means for implementing a custom serialization mechanism. Implementing the Externalizable interface means that we must override some of its methods, ... Read more

io java serialization

Java Serializable example

14 January 2013

In this tutorial you will learn how to serialize a Java object to the file system and read it afterwards.

This tutorial will demonstrate how to serialize a Java object to the file system. After serialization we will read it again into memory. Environment: Ubuntu 12.04 JDK 1.7.0.09 Read more

io java serialization

Spring @PostConstruct and @PreDestroy example

10 January 2013

In this tutorial you will learn how to use @PostConstruct and @PreDestroy annotations with Spring.

@PostConstruct and @PreDestroy annotations are not exclusive to Spring: they are a standard and consequently widely used in many container managed environments. Spring container is no exception so you... Read more

java spring

Java: Iterate over a list in the reverse order example

06 January 2013

In this tutorial you will learn how to iterate over a Java list in the reverse order.

A simple approach of iterating a list in the reverse order may consist in simply revert a list using Collections.reverse() and then performing a natural iteration over the elements. Sometimes this app... Read more

collections java

About the author

Gonçalo Marques is a Software Engineer with several years of experience in software development and architecture definition. During this period his main focus was delivering software solutions in banking, telecommunications and governmental areas. He created the Bytes Lounge website with one ultimate goal: share his knowledge with the software development community. His main area of expertise is Java and open source.

GitHub profile: https://github.com/gonmarques

He is also the author of the WiFi File Browser Android application: