Java Basics-Arrays & Methods

Method

Why should there be a way?

* Improve the reusability of code

What is a method?

* Block of code to complete specific functions

Format of the method?

Access modifier return value type method name (parameter type argument name) {

Method code block

return value;

}

Method Format Description:

1. Modifier: Public protected private
2. Return value: The data type of the result of this function
3. Method Name: According to the naming rules, convenient for our call
4. Parameters:
• Actual parameters: The parameters that are actually involved in the operation
• Formal parameter: The method definition that is used to accept the actual argument.
5. Parameter type: Refers to the data type of the parameter
6. Parameter name: Name of variable
7. Method Body: The code that completes this function
8. Return: The End method
9. Return value: The result of the function, brought to the caller by return

Array

Java Basics-Arrays & Methods