Topic 2.4 Video 1

What is a parameter?

• A parameter is data that is passed into a method.

• A parameter is a data type used to declare a variable.
• A parameter is a keyword used to define a function or method.
• A parameter is a variable that stores data within a function or method.

What information does a method signature contain?

• Name of the method and return type
• Name of the method and parameters
• Name of the method, return type, and parameters
• Return type and parameters

When calling a method that has more than 1 parameter, does the order of the parameters matter?

• No
• Sometimes
• Yes
• It depends

What is method overloading?

• Method overloading is the ability to define multiple methods with the same name but different parameters.
• Method overloading is the ability to define multiple methods with the same name and same parameters.
• Method overloading is the ability to define multiple methods with different names but the same parameters.
• Method overloading is the ability to define multiple methods with different names and different parameters.

Consider the method shown at the left, which is intended to average two numbers and return the result.

You would like to add other methods that handle different data types and/or different situations, and you would like to name these methods with the same name as the original method.

Which one of the following method signatures would NOT compile successfully?

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