Question 1

Which statement is false

Accepted Answer

A)  If a method does not return a value, the return-value-type in the method declaration can be omitted. 
B)  Placing a semicolon after the right parenthesis enclosing the parameter list of a method declaration is a syntax error. 
C)  Re-declaring a method parameter as a local variable in the method's body is a compilation error. 
D)  Forgetting to return a value from a method that should return a value is a compilation error. 
A)  If a method does not return a value, the return-value-type in the method declaration can be omitted. 
B)  Placing a semicolon after the right parenthesis enclosing the parameter list of a method declaration is a syntax error. 
C)  Re-declaring a method parameter as a local variable in the method's body is a compilation error. 
D)  Forgetting to return a value from a method that should return a value is a compilation error.

Question 2

Programmers write to define specific tasks that may be used at many points in a program.

Accepted Answer

A)  classes 
B)  methods 
C)  modules 
D)  None of the above. 
A)  classes 
B)  methods 
C)  modules 
D)  None of the above.

Question 3

The order of a method's parameters is insignificant.

Accepted Answer

A) True 
 B)False

Question 4

strings can be concatenated only with the method Concat.

Accepted Answer

A) True 
 B)False

Question 5

A method's changes to a variable that is passed-by-value do not affect the value of the original variable in the calling method.

Accepted Answer

A) True 
 B)False

Question 6

A local variable or reference declared in a block can be used in blocks in which that block is nested.

Accepted Answer

A) True 
 B)False

Question 7

A method is invoked by a.

Accepted Answer

A)  return statement 
B)  method header 
C)  method call 
D)  None of the above. 
A)  return statement 
B)  method header 
C)  method call 
D)  None of the above.

Question 8

Recursion takes a complex problem and splits it up among many methods.

Accepted Answer

A) True 
 B)False

Question 9

Main is declared static so the execution environment can invoke Main without creating an instance of the class.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following can be arguments to methods

Accepted Answer

A)  constants 
B)  variables 
C)  expressions 
D)  All of the above 
A)  constants 
B)  variables 
C)  expressions 
D)  All of the above

Question 11

Methods of a class can access all members defined in that class.

Accepted Answer

A) True 
 B)False

Question 12

A method cannot change the actual reference of an identifier that has been passed-by-reference.

Accepted Answer

A) True 
 B)False

Question 13

Which of these statements best defines scope

Accepted Answer

A)  Scope refers to the classes that have access to a variable. 
B)  Scope determines whether a variable's value can be altered. 
C)  Scoping allows the programmer to use a class without using its fully qualified name. 
D)  Scope is the portion of a program that can refer to an entity by its simple name. 
A)  Scope refers to the classes that have access to a variable. 
B)  Scope determines whether a variable's value can be altered. 
C)  Scoping allows the programmer to use a class without using its fully qualified name. 
D)  Scope is the portion of a program that can refer to an entity by its simple name.

Question 14

Which keyword can you use to immediately give control back to a method's caller

Accepted Answer

A)  continue 
B)  break 
C)  return 
D)  next 
A)  continue 
B)  break 
C)  return 
D)  next

Question 15

Which of the following describes a static variable

Accepted Answer

A)  a variable with one copy shared by all class objects 
B)  a variable whose value may not be changed 
C)  all of the above 
D)  None of the above. 
A)  a variable with one copy shared by all class objects 
B)  a variable whose value may not be changed 
C)  all of the above 
D)  None of the above.

Question 16

Optional parameters enable you to specify default argument values for specific parameters.

Accepted Answer

A) True 
 B)False

Question 17

A is provided to a random number generator to ensure the same sequence of numbers is not generated during each execution.

Accepted Answer

A)  date 
B)  parameter 
C)  seed 
D)  None of the above. 
A)  date 
B)  parameter 
C)  seed 
D)  None of the above.

Question 18

A static method can ________.

Accepted Answer

A)  call only other static methods of the same class directly 
B)  manipulate only static fields in the same class directly 
C)  be called using the class name and a dot (.) 
D)  All of the above 
A)  call only other static methods of the same class directly 
B)  manipulate only static fields in the same class directly 
C)  be called using the class name and a dot (.) 
D)  All of the above

Question 19

By including using System;at the top of a source program,you can use the unqualified class name,Console,instead of the fully qualified class name,System.Console.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following will violate the rules of overloading methods

Accepted Answer

A) Methods with the same signatures but different return types. 
B) Methods with different signatures but the same return type. 
C) Methods with different number of arguments. 
D) Method with different types of arguments. 
A) Methods with the same signatures but different return types. 
B) Methods with different signatures but the same return type. 
C) Methods with different number of arguments. 
D) Method with different types of arguments.

Exam 7: Methods: a Deeper Look

Which statement is false

Programmers write to define specific tasks that may be used at many points in a program.

The order of a method's parameters is insignificant.

strings can be concatenated only with the method Concat.

A method's changes to a variable that is passed-by-value do not affect the value of the original variable in the calling method.

A local variable or reference declared in a block can be used in blocks in which that block is nested.

A method is invoked by a.

Recursion takes a complex problem and splits it up among many methods.

Main is declared static so the execution environment can invoke Main without creating an instance of the class.

Which of the following can be arguments to methods

Methods of a class can access all members defined in that class.

A method cannot change the actual reference of an identifier that has been passed-by-reference.

Which of these statements best defines scope

Which keyword can you use to immediately give control back to a method's caller

Which of the following describes a static variable

Optional parameters enable you to specify default argument values for specific parameters.

A is provided to a random number generator to ensure the same sequence of numbers is not generated during each execution.

A static method can ________.

By including using System;at the top of a source program,you can use the unqualified class name,Console,instead of the fully qualified class name,System.Console.

Which of the following will violate the rules of overloading methods

Introduction to Computers, the Internet and Visual C#

Dive Into Visual Studio Community

Introduction to C# Apps

Introduction to Classes,Objects,Methods and Strings

Control Statements: Part 1

Control Statements: Part 2

Arrays;Introduction to Exception Handling

Introduction to Linq and Generic Collections

Classes and Objects: A Deeper Look

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling: A Deeper Look

GUI With Windows Forms: Part 1

GUI With Windows Forms: Part 2

Strings,Characters and Regular Expressions

Files and Streams

Searching and Sorting

Data Structures

Generics

Collections

Databases and LING

Asynchronous Programming With Async and Await

XML

GUI With Windows Presentation Foundation

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