👉 **Constructor** and **Destructor** are special methods in object-oriented programming used to initialize and clean up objects, respectively:
1. **Constructor:**
- **Definition:** A constructor is a special method that is automatically called when an object is created. Its primary purpose is to initialize the object's properties and set up the initial state.
- **Characteristics:** It has the same name as the class (or a special name in some languages), does not have a return type, and is executed once per object creation.
- **Example:** In C++, a constructor might look like `ClassName() { /* initialization code */ }`.
2. **Destructor:**
- **Definition:** A destructor is a special method that is automatically called when an object is destroyed or goes out of scope. Its main role is to release resources and perform clean-up tasks, such as deallocating memory or closing files.
- **Characteristics:** It has the same name as the class prefixed with a tilde (e.g., `~ClassName()` in C++), does not take any arguments or return a value, and is executed once per object destruction.
- **Example:** In C++, a destructor might look like `~ClassName() { /* cleanup code */ }`.
Together, constructors and destructors help manage the lifecycle of objects by ensuring proper initialization and resource management.
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