Crap4j is an open-source implementation tool to help you detect Java code C.R.A.P. – which stands for Change Risk Anti-Patterns.
The CRAP metric combines cyclomatic complexity and code coverage from automated tests (e.g. JUnit tests) to help you identify code that might be particularly difficult to understand, test, or maintain – the kind of code that [...]

By Mark Debattista
This executable file is therefore responsible for informing one of any updates that need to be installed on their computer to ensure it runs efficiently. It is made and preinstalled in Java software by Sun Microsystems to check and alert the users of any Java updates.
Jusched.exe should essentially be a harmless process but [...]

By Parveen Aggarwal
TCO (Total Cost Ownership) is the buzzword in today’s business world. This metric helps enterprise managers assess direct and indirect costs and benefits derived from their investment on IT components and services. A vital component of overall TCO is database management. All information-centric applications need databases for data storage. Also, the storage demands [...]

By Parveen Aggarwal
It is a well known fact that Java as a programming language set off a new paradigm in the software industry. Suddenly, every software programmer worth his salt was amidst software jargons like ‘Platform-Independence’, ‘Cross-Platform-Deployment’ and ‘The Java Virtual Machine’. In fact, it did not take long for Java to usurp the ‘most [...]

By Vaibhav Kumar Choudhary
Sorting is always a tricky game in any programming language and it is responsible for 50-60 percent of the total CPU time for any application. We all have our native language like Hindi, Chinese, Japanese, French and so many. Most of the time world deals with sorting of Alphabets or English words [...]

By Vaibhav Kumar Choudhary
Sometime back, we were discussing something about JRE and one of my friends Lawrence asked me “How to find the number of JRE installed on system with the help of Java Code ? “
After giving much thought to it, I don’t think Java has any such API which will tell how many [...]

By Vaibhav Kumar Choudhary
It is often asked if call by reference is possible in java? People confuse so frequently with this simple and basic concept that it is hard to believe.
Let me try to answer that question by taking an example. But first, the basics. There is NO CONCEPT OF CALL BY REFERENCE IN JAVA, [...]

By Vaibhav Kumar Choudhary
A month back, I wanted to find out all processes running on my machine from java code for some stupid purpose. What d you do in such a scenario? I tried to write some code and was pretty successful. Java can’t play with system process and hence invoking a runtime is only [...]

By Samuel Mela
This article is about a small simple collection of batch files which can be used to test the behavior of the javac compiler and java class launcher for different classpath scenarios. The system is called ClasspathTester. Download instructions are included at the end of this article.
When you are in the middle [...]

Author: Debadatta Mishra
Symmetric cryptography in Java

Introduction
As you know data security is a significant aspect of any enterprise application. Starting from password encryption to any data exchange, cryptography has been in use for all kinds of purpose. However there are two kinds of cryptography, one is symmetric and another is asymmetric. In case of symmetric cryptography, [...]