Method overloading in java is based on the number and type of the parameters passed as an argument to the methods. We can not define more than one method with the same name, Order, and type of the arguments. It would be a compiler error. The compiler does not consider the return type while differentiating the overloaded method. But you cannot declare two methods with the same signature and different return types. It will throw a compile-time error. If both methods have the same parameter types, but different return types, then it is not possible. Show Java can distinguish the methods with different method signatures. i.e. the methods can have the same name but with different parameters list (i.e. the number of the parameters, the order of the parameters, and data types of the parameters) within the same class. Parameters should be different means
Java
2. Number of parameter should be different
Java
Geeks, now you would be up to why do we need method overloading? If we need to do some kind of operation in different ways i.e. for different inputs. In the example described below, we are doing the addition operation for different inputs. It is hard to find many meaningful names for a single action. Ways of Overloading MethodsMethod overloading can be done by changing:
Let us propose examples in order to illustrate each way while overloading methods. They are as follows: Method 1: By changing the number of parameters. Java
Output sum of the two integer value :3 sum of the three integer value :6 Method 2: By changing the Data types of the parameters Java
Output sum of the three integer value :6 sum of the three double value :6.0 Method 3: By changing the Order of the parameters Java
Output geekName :Mohit Id :1 geekName :shubham Id :2
Example 4 Java
Output: Related Articles:
This article is contributed by
Nitsdheerendra. If you like GeeksforGeeks and would like to contribute, you can also write an article using write.geeksforgeeks.org or mail your article to . See your article appearing on the GeeksforGeeks main page and help other Geeks. Which of the following represents the process of defining two or more methods?What is the process of defining two or more methods within same class that have same name but different parameters declaration? Explanation: Two or more methods can have same name as long as their parameters declaration is different, the methods are said to be overloaded and process is called method overloading.
What is the process of defining two or more methods within the same class?The practice of defining two or more methods within the same class that share the same name but have different parameters is called overloading methods.
What is method signature in java Mcq?What is method signature in java ? – Method signature in java includes only method name and parameters. Method return types are not included in method signature. For example, in below class method declaration only “foo(String str)” is the method signature that contains method name and parameters.
Which of these can be used to differentiate two or more methods?Correct Option: D. Return type of method, Number of parameters and Parameters data type can be used to differentiate two or more methods having same name.
|