An IS-A relationship is inheritance. The classes which inherit are known as sub classes or child classes. On the other hand, HAS-A relationship is composition. In OOP, IS-A relationship is …

Feb 8, 2010 · This is object-oriented programming and UML terminology, not Java-specific. There are actually three cases you should be aware of: A House is a Building (inheritance); A House …

Oct 24, 2015 · I'm learning python and I have to fill in blanks with is-a or has-a and I'm not exactly clear on it. So I need the next examples explained why they are what they are. Here are the …

A JavaBean is just a standard. It is a regular Java class, except it follows certain conventions: All properties are private (use getters/setters) A public no-argument constructor Implements …

Oct 22, 2008 · A simple definition: A web service is a function that can be accessed by other programs over the web (HTTP). For example, when you create a website in PHP that outputs …

Dec 31, 2019 · What is a "stored procedure" and how do they work? What is the make-up of a stored procedure (things each must have to be a stored procedure)?

Please note that "word character" in programming usually refers to letters and numbers and underscores. This question is actually asking about "letters"; if you need to see if a character is …

Aug 29, 2008 · A semaphore is a programming concept that is frequently used to solve multi-threading problems. My question to the community: What is a semaphore and how do you use it?

Jul 16, 2021 · Check "The folder metaphor" section at Wikipedia. It states: There is a difference between a directory, which is a file system concept, and the graphical user interface metaphor …

Oct 9, 2011 · A 'feature flag' (or Feature Toggle) is the ability to turn features (sub-sections) of your application on/off at easily: perhaps via a re-deploy, or some internal page where …