Get tips for instantiating JavaScript's prototype-based objects two ways: via constructor functions or object initialization. Topics Spotlight: New Thinking about Cloud Computing ...

Most commonly, you implement a singleton in Java by having a single instance of the class as a static field. You can create that instance at class-loading time by assigning a newly created object ...

It's important for some classes to have exactly one instance.Although there can be many printers in a system, there should be only one printer spooler. There should be only one file system and one ...