THINK++ — Engineering Visualized

Polymorphism

Function Overloading

Allows multiple functions with the SAME NAME but DIFFERENT PARAMETERS. The compiler determines which one to call based on the arguments provided.

OVERLOAD EXAMPLES

int add(int a, int b);       // Overload 1
double add(double a, double b); // Overload 2
int add(int a, int b, int c);   // Overload 3

PARAMETER DIFFERENCE

Functions must differ in the number of parameters or their data types.

RETURN TYPE ALONE

Overloading based ONLY on return type is NOT allowed and will cause a compiler error.

STATIC POLYMORPHISM

This is a form of compile-time polymorphism. It makes the API cleaner as you don't need names like addInts, addDoubles, etc.

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