Introduction
In Java, method overloading is a concept that allows you to define multiple methods with the same name within a class but with different types or numbers of parameters. It's a way to create multiple methods with the same name in a class but with different signatures.
A method's signature includes the method name along with the types and number of parameters. When you use overloading, Java distinguishes between methods based on their signatures. This enhances flexibility and convenience in using methods, as you can call the same method name with different parameter types.
Let's take a look at an example:
In this example, there are three add methods in the same class with different signatures. The first method adds two integers, the second method adds two doubles, and the third method concatenates two strings. When you call the add method, Java determines the specific method to invoke based on the provided parameter types.
What is the Method Signature?
In the above example, the Method Signature includes:
public int add(int a, int b): Signature is add(int, int).
public double add(double a, double b): Signature is add(double, double).
public String add(String a, String b): Signature is add(String, String).
This use of method overloading enhances code readability and provides a convenient way to handle different data types within the same-named methods. It's a powerful feature that contributes to the versatility of Java programming.
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