Can an object in a superclass be assigned to a subclass variable? Why?
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Q: Simplify ¬(m∧(n∨¬m)) to ¬m∨¬n
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Q: particularly
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Q: What hardware and software make up computer graphics?
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
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- Can an object in a subclass be assigned to a super class variable? Why?when an object of a subclass is instantiated, a superclass constructor Is called simplicity or explicitly true or false?Identical-sounding variables that have been declared in a superclass and variables that have been specified in a subclass are treated as though they are two different variables.
- Variables with the same name as variables that have been declared in a superclass and variables that have been defined in a subclass are considered to be the same variable.In a subclass, may the overridden method's scope be altered?You have a method that expects an object from the superclass to be supplied as a parameter. If you offer it a subclass rather than a superclass object, it will work. Is it permitted? What's the point?
- A variable having the same name as a variable that has been declared in a superclass and a subclass is considered the same variable.Assume you have a method that needs an object of the superclass as an argument. In this situation, you should provide it with a subclass object rather than a superclass object. Is it appropriate? Why do you believe that?You have a method that requires an argument that is an instance of the superclass, and it expects you to provide it. It will function properly if you provide it with an object of a subclass rather than a superclass. Is it even possible? Where is the value in that?
- When a variable declared in a subclass has the same name as a variable declared in a superclass, it is called a _______________ variable.You have a method that takes an argument of type superclass object. You may make it function by providing an object of a subclass rather than a superclass. Is that allowed? I don't see the purpose.In Java, inheritance is a mechanism that allows a subclass to ________ the properties and methods of a superclass.