Not long ago my clutch gave out, so I had my Jeep towed to a local dealership. I didn’t know anybody at the dealership, and none of them knew me, so I gave them my telephone number so they could ...

Q: I want to use the Java Observer pattern in my project. With that in mind, can you give me some sample code to demonstrate how it works A: Just as object-oriented programming encourages code reuse, ...