Question 1

In the method header the static method modifier means the method is available to code outside the class.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following would be a valid method call for the following method? public static void showProduct(double num1,int num2)
{
Double product;
Product = num1 * num2;
System.out.println("The product is " +
Product);
}

Accepted Answer

A)  showProduct("5","40"); 
B)  showProduct(10.0,4.6); 
C)  showProduct(10,4.5); 
D)  showProduct(3.3,55); 
A)  showProduct("5","40"); 
B)  showProduct(10.0,4.6); 
C)  showProduct(10,4.5); 
D)  showProduct(3.3,55);

Question 3

Local variables

Accepted Answer

A)  are hidden from other methods 
B)  may have the same name as local variables in other methods 
C)  lose the values stored in them between calls to the method in which the variable is declared 
D)  All of the above 
A)  are hidden from other methods 
B)  may have the same name as local variables in other methods 
C)  lose the values stored in them between calls to the method in which the variable is declared 
D)  All of the above

Question 4

Given the following method header,which of the method calls would be an error? public void displayValues(int x,int y)

Accepted Answer

A)  displayValue(a,b);// where a is a short and b is a byte 
B)  displayValue(a,b);// where a is an int and b is a byte 
C)  displayValue(a,b);// where a is a short and b is a long 
D)  they would all give an error 
A)  displayValue(a,b);// where a is a short and b is a byte 
B)  displayValue(a,b);// where a is an int and b is a byte 
C)  displayValue(a,b);// where a is a short and b is a long 
D)  they would all give an error

Question 5

Given the following method header,which of the method calls would be an error? public void displayValues(double x,int y)

Accepted Answer

A)  displayValue(a,b);// where a is a long and b is a byte 
B)  displayValue(a,b);// where a is an int and b is a byte 
C)  displayValue(a,b);// where a is a short and b is a long 
D)  they would all give an error 
A)  displayValue(a,b);// where a is a long and b is a byte 
B)  displayValue(a,b);// where a is an int and b is a byte 
C)  displayValue(a,b);// where a is a short and b is a long 
D)  they would all give an error

Question 6

This type of method performs a task and sends a value back to the code that called it.

Accepted Answer

A)  value-returning 
B)  void 
C)  complex 
D)  local 
A)  value-returning 
B)  void 
C)  complex 
D)  local

Question 7

Which of the following is not a benefit derived from using methods in programming?

Accepted Answer

A)  problems are more easily solved 
B)  simplifies programs 
C)  code reuse 
D)  all of the above are benefits 
A)  problems are more easily solved 
B)  simplifies programs 
C)  code reuse 
D)  all of the above are benefits

Question 8

Constants,variables,and the values of expressions may be passed as arguments to a method.

Accepted Answer

A) True 
 B)False

Question 9

What will be the result of the following code? int num;
String str = "555";
Num = Integer.parseInt(string str)+ 5;

Accepted Answer

A)  num will be set to 560 
B)  str will have a value of "560" 
C)  the last line of code will cause an error 
D)  neither num or str will be changed 
A)  num will be set to 560 
B)  str will have a value of "560" 
C)  the last line of code will cause an error 
D)  neither num or str will be changed

Question 10

Functional decomposition is

Accepted Answer

A)  the backbone of the scientific method 
B)  the process of decomposing functions 
C)  the process of breaking a problem down into smaller pieces 
D)  the process of dead plants decomposing and turning back into soil 
A)  the backbone of the scientific method 
B)  the process of decomposing functions 
C)  the process of breaking a problem down into smaller pieces 
D)  the process of dead plants decomposing and turning back into soil

In the method header the static method modifier means the method is available to code outside the class.

Which of the following would be a valid method call for the following method? public static void showProduct(double num1,int num2) { Double product; Product = num1 * num2; System.out.println("The product is " + Product); }

Local variables

Given the following method header,which of the method calls would be an error? public void displayValues(int x,int y)

Given the following method header,which of the method calls would be an error? public void displayValues(double x,int y)

This type of method performs a task and sends a value back to the code that called it.

Which of the following is not a benefit derived from using methods in programming?

Constants,variables,and the values of expressions may be passed as arguments to a method.

What will be the result of the following code? int num; String str = "555"; Num = Integer.parseInt(string str)+ 5;

Functional decomposition is

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Loops and Files

A First Look at Classes

A First Look at Gui Applications

Arrays and the Arraylist Class

A Second Look at Classes and Objects

Text Processing and More About Wrapper Classes

Inheritance

Exceptions and Advanced File Io

Advanced Gui Applications

Applets and More

Recursion

Sorting, Searching, and Algorithm Analysis

Generics

Collections

Array-Based Lists

Linked Lists

Stacks and Queues

Binary Trees, Avl Trees, and Priority Queues

Filters

Exam 5: Methods

In the method header the static method modifier means the method is available to code outside the class.

Which of the following would be a valid method call for the following method? public static void showProduct(double num1,int num2) { Double product; Product = num1 * num2; System.out.println("The product is " + Product); }

Local variables

Given the following method header,which of the method calls would be an error? public void displayValues(int x,int y)

Given the following method header,which of the method calls would be an error? public void displayValues(double x,int y)

This type of method performs a task and sends a value back to the code that called it.

Which of the following is not a benefit derived from using methods in programming?

Constants,variables,and the values of expressions may be passed as arguments to a method.

What will be the result of the following code? int num; String str = "555"; Num = Integer.parseInt(string str)+ 5;

Functional decomposition is

Introduction to Computers and Java

Java Fundamentals

Decision Structures

Loops and Files

A First Look at Classes

A First Look at Gui Applications

Arrays and the Arraylist Class

A Second Look at Classes and Objects

Text Processing and More About Wrapper Classes

Inheritance

Exceptions and Advanced File Io

Advanced Gui Applications

Applets and More

Recursion

Sorting, Searching, and Algorithm Analysis

Generics

Collections

Array-Based Lists

Linked Lists

Stacks and Queues

Binary Trees, Avl Trees, and Priority Queues

Filters