Parts of a Header
Visibility Modifier
(hover to flip)
Visibility Modifier
Sets visibility of method. Can be public or private.
public means method can be accessed from outside class.
Return Data Type
Return Data Type
Specifies the data type returned by the method.
return statement is required (except for void) and data type returned must match.
Method Name
Method Name
Name of method
Must follow naming rules. Parentheses are required and may contain a list of parameters.
Parameters
Parameters
List of parameters (if any) and their data types.
The name of each parameter is called a formal parameter.
public int areaSquare(int side)