Installing Java 8 and Tomcat 8 on Debian Jessie or Raspbian or RedHat

Apache Tomcat is a Servlet/JSP container and version 8.0 implements the Servlet 3.1 and JavaServer Pages 2.3 specifications. Please note that Apache Tomcat 8.0 requires a Java Standard Edition Runtime Environment (JRE) version 7 or later. So we start with installing a recent version of Oracle’s JRE. Install Oracle JRE 8 on Debian Linux (or Raspbian) […]

How private are private fields after all?

Last week, I sent the following brain teaser:

Can you write a void hack(Object obj) method that would change foo’s private member variable, so that the output looked like this? Psst: 74 A sharp developer came up with this solution:

Now there you have it. Just because a member is declared private doesn’t mean […]

Code Inspection

I recently got the chance to participate in another code inspection, in which among other things, the following line of code was heavily criticized for using String concatenation on constants and not using a StringBuffer object for the string operation in general. FindFile.FindFileInClasspath( kPropFilePrefix + “*”+ kPropFileSuffix + kKeyProperties, vPropFiles ); This is from a J2EE […]