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Chapter 15: Problem 8

When does static binding take place? When does dynamic binding take place?

Short Answer

Expert verified
Answer: Static binding, also known as early or compile-time binding, occurs during the compilation stage of a program. It links a method or function call to its corresponding implementation before the program is run. Static binding typically occurs with static methods, final methods, and private methods. On the other hand, dynamic binding, also known as late or runtime binding, takes place during the execution of a program. It links a method or function call to its corresponding implementation based on the actual object instance stored in the reference variable. Dynamic binding is commonly associated with method overriding, polymorphism, and interfaces.

Step by step solution

01

Define Static Binding

Static binding, also known as early binding or compile-time binding, is the process of linking a method or function call to its corresponding implementation during the compilation stage of a program. This binding happens before the program is run.
02

Define Dynamic Binding

Dynamic binding, also known as late binding or runtime binding, is the process of linking a method or function call to its corresponding implementation during the execution of a program. This binding happens when the program is running, as it's determined by the object instance and its properties.
03

Explain When Static Binding Takes Place

Static binding takes place during the compilation stage of a program. It happens when a method or a function call is resolved at compile-time, usually based on the compile-time type of the reference variable calling the method. Static binding occurs mainly with static methods, final methods, and private methods, as they can be determined and linked at compile time.
04

Explain When Dynamic Binding Takes Place

Dynamic binding takes place during the execution of a program. It happens when a method or a function call is resolved at runtime, determined by the actual object instance stored in the reference variable, rather than its compile-time type. Dynamic binding usually occurs in cases of method overriding, polymorphism, and interfaces, where the specific implementation of a method is known only at runtime.

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