Generating PDF report is the very general requirement in most of the Java projects. iText is the most popular PDF API used by the Java developers for generating the PDF report. It is very simple and easy to get started writing simple PDF files. If you are familiar with iText API, it provides more advanced …
How To Convert Properties File Into XML File Using Java?
In my previous tutorials I have explained about how to use DOM Parser and SAX Parser. This tutorial explain with very simple utility method available in the Java package used for converting your existing properties file to a XML file. Sometimes this may be the requirement for Java developers, instead of manually converting properties file …
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 …
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 …
Quartz Job Scheduler – Example Code
In this section we are going to develop a simple Quartz Scheduler application with the help of Quartz framework. That will display Hello World Quartz Scheduler :date & time on the console window after specified time schedule. Before using Scheduler you have to instantiate it. For doing this some users may keep an instance of …
What is the difference between JRE,JVM and JDK?
If you are a Java developer, it is very often that you think about understanding the JRE,JVM and JDK. Once if you understand these things, it would be quite easy for you to visualize things in logical manner. Also look at the picture below, that will clear all your questions about the JRE,JVM and JDK. …
Introduction to Java Agents
In this article we will discuss about Java Agents. Java Agents are software components that provide instrumentation capabilities to an application. In the context of agents, instrumentation provides the capability of re-defining the content of class that is loaded at run-time. We will discuss this in more detail in the further sections. Download Source Code: …
JAXB Exception : nor any of its super class is known to this context
When you are working with the JAXB objects, there are some times you would encounter the exception saying the “nor any of its super class is known to this context”. The reason for this error could be many reasons it depends on the environment you are working. The simple solution for fixing the problem is …