Exam 7: User-Defined Methods

Two methods are said to have different formal parameter lists if both methods have a different number of formal parameters, or if the data types of the formal parameters are the same.

(True/False)

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Question 21

Void methods use the return statement to return the value 0.

(True/False)

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Question 22

Reference variables as parameters allow you to return more than one value from a method.

(True/False)

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Question 23

Based on the code in the accompanying figure, what would be the output of the following statement? System.out.println(mystery(8,7));

(Multiple Choice)

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Question 24

To use a predefined method, you must know the code in the body of the method.

(True/False)

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Question 25

Which of the following is a valid call to the method in the accompanying figure?

(Multiple Choice)

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Question 26

Given the method heading in the accompanying figure, which of the following does NOT demonstrate method overloading?

(Multiple Choice)

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Question 27

Which of the following is NOT part of the heading of the method in the accompanying figure?

(Multiple Choice)

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Question 28

You can use the class String to pass strings as parameters to a method and change the actual parameter.

(True/False)

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Question 29

Void methods must have at least one parameter.

(True/False)

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Question 30

Strings assigned to StringBuffer variables can be altered.

(True/False)

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Question 31

Based on the code in the accompanying figure, what would be the output of the following statement? System.out.println(secret(5, 7.0));

(Multiple Choice)

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Question 32

Given the method heading in the accompanying figure, which of the following would be an incorrect demonstration of method overloading?

(Multiple Choice)

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Question 33

An actual parameter is a variable or expression listed in a method call.

(True/False)

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Question 34

Within a method, an identifier used to name a variable in the outer block of the method can be used to name any other variable in an inner block of the method.

(True/False)

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Question 35

Which of the following statements about strings is NOT true?

(Multiple Choice)

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Question 36

When a program executes, the first statement to execute is always the first statement in the main method.

(True/False)

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Question 37

The technique to solve a problem by subdividing into smaller problems is known as divide-and- conquer and ____ design approach.

(Multiple Choice)

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Question 38

Which of the following statements about the method heading in the accompanying figure is NOT true?

(Multiple Choice)

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Question 39

Which of the following identifiers seen in the accompanying figure is visible in method first?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 50

Two methods are said to have different formal parameter lists if both methods have a different number of formal parameters, or if the data types of the formal parameters are the same.

Void methods use the return statement to return the value 0.

Reference variables as parameters allow you to return more than one value from a method.

Based on the code in the accompanying figure, what would be the output of the following statement? System.out.println(mystery(8,7));

To use a predefined method, you must know the code in the body of the method.

Which of the following is a valid call to the method in the accompanying figure?

Given the method heading in the accompanying figure, which of the following does NOT demonstrate method overloading?

Which of the following is NOT part of the heading of the method in the accompanying figure?

You can use the class String to pass strings as parameters to a method and change the actual parameter.

Void methods must have at least one parameter.

Strings assigned to StringBuffer variables can be altered.

Based on the code in the accompanying figure, what would be the output of the following statement? System.out.println(secret(5, 7.0));

Given the method heading in the accompanying figure, which of the following would be an incorrect demonstration of method overloading?

An actual parameter is a variable or expression listed in a method call.

Within a method, an identifier used to name a variable in the outer block of the method can be used to name any other variable in an inner block of the method.

Which of the following statements about strings is NOT true?

When a program executes, the first statement to execute is always the first statement in the main method.

The technique to solve a problem by subdividing into smaller problems is known as divide-and- conquer and ____ design approach.

Which of the following statements about the method heading in the accompanying figure is NOT true?

Which of the following identifiers seen in the accompanying figure is visible in method first?

An Overview of Computers and Programming Languages

Basic Elements of Java

Introduction to Objects and Inputoutput

Control Structures I: Selection

Control Structures II: Repetition

Graphical User Interface Gui and Object-Oriented Design OOD

User-Defined Classes and Adts

Arrays

Inheritance and Polymorphism

Handling Exceptions and Events

Advanced Guis and Graphics

Recursion

Searching and Sorting

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