Overloading means to connect too many appliances with single circuit and using faulty device in electrical circuit or an electric circuit is set to be overloaded if all the electric appliances in the circuit draw more current than the permitted limit. overloading results in excessive heat.
causes...
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*using faulty devices
* many appliances connected in single socket...

Overloading:

Overloading is a concept in programming where multiple functions with the same name but different parameters are defined within a class. It allows a single function name to be used for different purposes, depending on the type and number of arguments passed to it. This makes the code more flexible and easier to read.

Causes of Overloading:

1. Polymorphism: Overloading is a key feature of polymorphism, which allows objects of different classes to be treated as objects of a common class. By overloading functions, different classes can have functions with the same name, enhancing code reusability and flexibility.

2. Code Simplification: Overloading can simplify the code by providing multiple ways to perform a specific task. Instead of creating separate functions with different names, overloading allows the use of a single function name with different parameters, reducing the overall complexity of the code.

3. Default Arguments: Overloading can be used to define functions with default arguments. Default arguments are values that are automatically assigned to parameters if no argument is provided. This allows the function to be called with fewer arguments, making the code more concise and readable.

4. Operator Overloading: Overloading can also be used to redefine the behavior of operators such as +, -, *, /, etc. By defining how these operators should behave with objects of a particular class, it allows for more intuitive and natural code.

5. Function Overriding: Overloading is closely related to function overriding, where a derived class provides a different implementation of a function that is already defined in its base class. This allows for customization and specialization of functions based on the specific needs of the derived class.

6. Improved Readability: Overloading can enhance code readability by using meaningful and intuitive function names. By using the same function name for different purposes, the code becomes more self-explanatory and easier to understand.

Conclusion:

Overloading is a powerful concept in programming that allows for code simplification, polymorphism, improved readability, and customization. It provides flexibility by allowing functions with the same name to have different parameters. By understanding the causes and benefits of overloading, programmers can write more efficient and maintainable code.