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| TITLEPolymorphism DESCRIPTIONIn every OO class I teach, I introduce encapsulation and polymorphism as the primary OO tactics, with inheritance a distant third. It's hard to tease apart polymorphism and inheritance, because most OO languages are based on an intimate fusion of the two, unnecessarily. Inheritance is a v... SUMMARYit hard to tease anything apart. Some people experience maintenance problems as a result of pervasive inheritance in OO systems. Justifiably, these people then become skeptical about polymorphism as well, because it is so strongly linked to inheritance. They are then tempted to give up on OO altogether. This is throwing the baby out with the bathwater. My advice as an OO trainer is to use inheritance sparingly, and rely as much as we can on polymorphism. Polymorphism is an abstraction enabler. The idea is that if we are to describe processes at a relatively high level of... |
| TITLETraining on the Go (by Jeremy Likness) DESCRIPTIONIf you enjoy excuses, then this article is not for you – I’m going to take away any excuse you have for not training when you’re on the road or have a limited budget or access to equipment. I will discuss some simple and inexpensive equipment, how...... SUMMARY... |
| TITLEStan - From Chunk to Hunk DESCRIPTIONThis journey started on December 2001. I had just been to the doctors due to feeling tired, lethargic, with weight problems. I was diagnosed as having a "non-functioning thyroid gland" - this is what controls your metabolism and helps your body ge...... SUMMARY... |