This is a basic tutorial explaining about the APIs define under the collection package in Java. We encounter numerous questions from our readers to clarify the differences on these interfaces, we have come up with an tutorial to explain the key differences on these APIs. ArrayList, Vector and LinkedList, these confuse many beginners and even …
Design Patterns in Java
In developing a system, it is expected that some requirements are guaranteed, for example, performance, robustness, understanding, ease of reuse, modification, and use. The Design Patterns were created by the architect Christopher Alexander , in the 1970s. During this period the architect wrote two books: “Pattern Language” and “Timeless Way of Building“. These books were an example of …
ClassLoader in Java
In this article we will understand the basics of Classloader in Java. Let us first understand what is the meaning of classloader. What is the ClassLoader ? As its name implies, ClassLoader is a class that loads other classes. More scientific: The Classloader loads the bytecodes in its class to memory, so it can be …
How to check the java compiler version from a java class file?
This tutorial provides a great way to find Java compiler version for a class file generated. It is one of the common problem among Java developers to know the exact version in which the JAR file is created. If you receive a JAR file, can you find what is the target compiler version for that …
Working with Threads in Java
In this article we will see on how to use practical and simple Java threads to perform parallel processing in your application. The robust Java platform offers us another bonus feature when we deal with parallel processing. In this article we present a practical use of Threads in Java, with the goal of working in …
Assertions In Java
In this article I’ll give a detailed explanation of the use of Assertions in Java. Assertion often confuse the programmer. It so happens that a programmer is confused as to which of the following to use: IF / ELSE or Assertions?. Assertions are basically used to test whether your code is according to the rules …
How to Install Tomcat in Ubuntu?
Linux is good environment for running the Java applications. Most of the developers not trying the Linux environment only because of the complicated installation procedures needed for at the time of beginning. Once if you are familiar with the installation then it is cake walk for developing the Java applications. But, I can not say …
Jackson – Java JSON Processor
JSON stands for Java Script Object Notation. JSON is a format for efficient transfer of data across Platform. To manipulate JSON in Java, we have many processors. One of such JSON processor in Java is Jackson. Jackson is a high performance JSON processor. Reading, Writing and modifying contents is made easy in Java using the …