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46
votes
17answers
4k views

Is OO-programming really as important as hiring companies place it?

I am just finishing my masters degree (in computing) and applying for jobs. I've noticed many companies specifically ask for an understanding of object orientation. Popular interview questions are ...
4
votes
2answers
283 views

Alternatives to type casting in your domain

In my Domain I have an entity Activity which has a list of ITasks. Each implementation of this task has it's own properties beside the implementation of ITask itself. Now each operation of the ...
0
votes
1answer
186 views

Why overriding a static method does not result in polymorphism in java

Many say that we can not override a static methods. But we can override a static method. The question is, when we override a static method why it does not result in polymorphism ?
6
votes
4answers
5k views

Replacement for instanceof Java?

So I'm fairly new to programming in the real world (outside of academic projects) and have come across lots of posts saying that using instanceof is a bad thing to use to determine what class a ...
1
vote
1answer
102 views

Ignoring the generic part of a type while an object is being passed

I have a message class that holds the name of a destination, and a generic variable acting as the message payload public class Message<T> { public string Destination public T Payload ...
1
vote
4answers
397 views

When to not use dynamic in C# [closed]

I'm making a class similar to the following: public class KeyValue { public readonly string key; public readonly object value; } Value could be of any object type as a result of this ...
0
votes
2answers
141 views

Making subclass more type-specific with accessors

I have a super class: TriggerManager with a subclass TimedTriggerManager. NOTE: I'm working in java TimedTriggerManager only deals with TimedTrigger s, a subclass of Trigger. TriggerManager ...