query: Why use a superclass reference for an object?
positive_passages.docid: 855
positive_passages.text: What does it mean to "program to an interface"?
negative_passages.docid: 128058
negative_passages.text: Why java.lang.Object is not abstract?
negative_passages.docid: 121471
negative_passages.text: Reference type still needs pass by ref?
negative_passages.docid: 48827
negative_passages.text: Inheritance in Java - creating an object of the subclass invokes also the constructor of the superclass. Why exactly?
negative_passages.docid: 94610
negative_passages.text: Avoiding copy of objects with the "return" statement
negative_passages.docid: 152294
negative_passages.text: Why wouldn't I use Child.prototype = Parent.Prototype rather than Child.prototype = new Parent(); for Javascript inheritance?
negative_passages.docid: 148271
negative_passages.text: Why to avoid creating objects of primitives in JavaScript?
negative_passages.docid: 134462
negative_passages.text: Why should I call self=[super init]
negative_passages.docid: 71246
negative_passages.text: super() in Java
negative_passages.docid: 55164
negative_passages.text: Why is it important to apply transformation to an objects data?
negative_passages.docid: 17716
negative_passages.text: What's the difference between primitive and reference types?
negative_passages.docid: 147911
negative_passages.text: Why we use inner classes?
negative_passages.docid: 153366
negative_passages.text: Is there any benefit of using an Object Initializer?
negative_passages.docid: 37285
negative_passages.text: Should the call to the superclass method be the first statement?
negative_passages.docid: 114977
negative_passages.text: Why doesn't 'ref' and 'out' support polymorphism?
negative_passages.docid: 127387
negative_passages.text: Why to use Polymorphism?
negative_passages.docid: 142824
negative_passages.text: Why can't this() and super() both be used together in a constructor?