Creating user-defined functions in Java using Eclipse involves several steps, including setting up your project, writing the function, and calling it within your program. Here’s a step-by-step guide:
Step 1: Set Up Your Project
Open Eclipse and create a new Java project:
Go to File > New > Java Project.
Enter the project name and click Finish.
Create a new Java class:
Right-click on the src folder in your project.
Select New > Class.
Enter the class name (e.g., Main) and click Finish.
Step 2: Write the User-Defined Function
Open the class file you just created (e.g., Main.java).
Write your user-defined function. Here’s an example of a simple function that calculates the factorial of a number: