principles of programming ch 9

When you write the declaration for a method that can receive a parameter, which of the following must be included in the method declaration?

a local name for the parameter the data type of the parameter two of the above

a program contains a mehod with the header num calculateTaxes(num amount, string name). Which of the following methods can coexist in the same program with no possible ambiguity?

a num calculateTaxes(string name, num amount)

Which of the following is true?

a program can contain a method that calls another method

Although the terms parameter and argument are closely related, the difference is that argument refers to ______.

a value in a method call

Methods in the same program with identical names and identical parameter lists are _____.

ambiguous

Which of the following must every method have?

header

The notion of _______ most closely describes the way a calling method is not aware of the statements within a called method.

implementation hiding

Which of the following is most closely related to the concept of local?

in scope

Programmers should strive to ________.

increase cohesion

The value used in a method's return statement must

match the data type used before the method name in the header

Assume that you have written a method with the header void myMethod(num a, string b). Which of the following is a correct method call?

myMethod(12, "Hello")

Assume that you have written a method with the header string myMethod(num score, string grade) Also assume that you have declared a numeric variable named test. Which of the following is a correct method call?

myMethod(test, "A")

When you overload a method, you write multiple mehods with the same

name

Methods in different programs with identical names and identical parameter lists are ______.

none of the above

Assume that you have written a method with the header num yourMethod(string name, num code) The methods type is _______________.

num

A method's interface is its ________.

parameter list return type identifier all of the above

When an array is passed to a method, it is

passed by reference

When a method receives a copy of the value stored in an argument used in the method call, it means the variable was

passed by value

a void method

returns nothing

When you use a variable name in a method call, it _____ as the variable in the method header.

can have the same name