Is overloading possible with return type?

Is overloading possible with return type?

This means that method overloading has no relation with return-type. In this way, we can define more than one Methods of the same name in a class called Method Overloading. The Java Compiler itself, based on the Data Type of the Arguments of the Methods, performs the appropriate method call for an object.

What are the return types in Apex?

When used in Apex code, a SOQL query can return three type of result: a list of sObjects, a single sObject, or of Aggregate Results.

What is method overloading in Apex?

Method Overloading in Apex If a class have multiple methods by same name but different parameters, it is known as Method Overloading. If we have to perform only one operation, having same name of the methods increases the readability of the program.

How do you execute a method in Apex?

Step 1 − Open the Developer Console.

  1. Step 2 − Click on Debug.
  2. Step 3 − Execute anonymous window will open as shown below. Now, click on the Execute button −
  3. Step 4 − Open the Debug Log when it will appear in the Logs pane.
  4. VF Page Code.
  5. Apex Class Code (Controller Extension)

What is overloading in Salesforce?

Overloading is being done in the same class while for overriding base and child classes are required Overriding is all about giving a specific implementation to the inherited method of parent class. Performance: Overloading gives better performance compared to overriding.

What are the modifiers for class methods in apex?

There are two modifiers for Class Methods in Apex – Public or Protected. Return type is mandatory for method and if method is not returning anything then you must mention void as the return type. Additionally, Body is also required for method. Those parameters mentioned in the square brackets are optional.

What do you need to know about APEX methods?

Return type is mandatory for method and if method is not returning anything then you must mention void as the return type. Additionally, Body is also required for method. Those parameters mentioned in the square brackets are optional. However, the following components are essential −

Can a method be overloaded with a different return type?

One more thing I would like to add is function overloading is providing a function with the same name, but with a different signature. but the return type of a method is not considered as a part of the method’s signature. So this is another way to understand why method overloading can’t be done only by return type.

How are primitive data types passed into methods in apex?

In Apex, all primitive data type arguments, such as Integer or String, are passed into methods by value. This fact means that any changes to the arguments exist only within the scope of the method. When the method returns, the changes to the arguments are lost.