java 教學

Java has become increasingly popular as a server-side programming language for database-powered Web applications. Those applications’ business logic-handling methods must work with data from backend databases. Therefore, you need a set of well-desi…

Property files are widely used to control application configurations. One great advantage of property files: they let you change your application’s configuration without recompilation. However, you most likely need to restart your application for the n…

I don’t know about you, but I really like to know where I am. Being a guy, I’m never lost, but sometimes I just don’t know where I am. Some places, such as malls, have maps with “You Are Here” indicators. Similarly, Java now lets us figure out our loca…