Question 1

In an expression containing values of the types int and double,the ________ values are ________ to ________ values for use in the expression.

Accepted Answer

A) int,promoted,double. 
B) int,demoted,double. 
C) double,promoted,int. 
D) double,demoted,int. 
A) int,promoted,double. 
B) int,demoted,double. 
C) double,promoted,int. 
D) double,demoted,int.

Question 2

What is the result value of c at the end of the following code segment? int c = 8;
C++;
++c;
C %= 5;

Accepted Answer

A) 0. 
B) 1. 
C) 3. 
D) None of the above. 
A) 0. 
B) 1. 
C) 3. 
D) None of the above.

Question 3

Which of the following is not represented graphically in activity diagrams for control structures?

Accepted Answer

A) Transition arrow. 
B) Attribute. 
C) Action state. 
D) Decision symbol. 
A) Transition arrow. 
B) Attribute. 
C) Action state. 
D) Decision symbol.

Question 4

In an activity diagram,the merge symbol has the same shape as what other symbol?

Accepted Answer

A) Decision symbol. 
B) Action symbol. 
C) Transition arrows. 
D) Initial state. 
A) Decision symbol. 
B) Action symbol. 
C) Transition arrows. 
D) Initial state.

Question 5

In Java graphics,coordinate units are measured in ________.

Accepted Answer

A) pixlets. 
B) pixels. 
C) points. 
D) pikels. 
A) pixlets. 
B) pixels. 
C) points. 
D) pikels.

Question 6

Which statement is false?

Accepted Answer

A) Unless directed otherwise,the computer executes Java statements one after the other in the order in which they're written. 
B) Activity diagrams normally show the Java code that implements the activity. 
C) Like pseudocode,activity diagrams help programmers develop and represent algorithms. 
D) The arrows in the activity diagram represent transitions,which indicate the order in which the actions represented by the action states occur. 
A) Unless directed otherwise,the computer executes Java statements one after the other in the order in which they're written. 
B) Activity diagrams normally show the Java code that implements the activity. 
C) Like pseudocode,activity diagrams help programmers develop and represent algorithms. 
D) The arrows in the activity diagram represent transitions,which indicate the order in which the actions represented by the action states occur.

Question 7

Which primitive type can hold the largest value?

Accepted Answer

A) int 
B) long 
C) float 
D) double 
A) int 
B) long 
C) float 
D) double

Question 8

Which statement is true?

Accepted Answer

A) Dividing two integers results in integer division. 
B) With integer division,any fractional part of the calculation is lost. 
C) With integer division,any fractional part of the calculation is truncated. 
D) All of the above. 
A) Dividing two integers results in integer division. 
B) With integer division,any fractional part of the calculation is lost. 
C) With integer division,any fractional part of the calculation is truncated. 
D) All of the above.

Question 9

Which of the following terms is not used to refer to a sentinel value that breaks out of a while loop?

Accepted Answer

A) signal value. 
B) maximum value. 
C) dummy value. 
D) flag value. 
A) signal value. 
B) maximum value. 
C) dummy value. 
D) flag value.

Question 10

Which of the following is not a common name for one of the three phases that a program often can be split into using pseudocode?

Accepted Answer

A) Termination phase 
B) Initialization phase 
C) Processing phase 
D) Action phase 
A) Termination phase 
B) Initialization phase 
C) Processing phase 
D) Action phase

Question 11

Which of the following is not a Java keyword?

Accepted Answer

A) do 
B) next 
C) while 
D) for 
A) do 
B) next 
C) while 
D) for

Question 12

Java is considered a strongly typed language because:

Accepted Answer

A) The primitive types in Java are portable across all computer platforms that support Java. 
B) Java requires all variables to have a type before they can be used in a program. 
C) Instance variables of the primitive types are automatically assigned a default value. 
D) All of the above. 
A) The primitive types in Java are portable across all computer platforms that support Java. 
B) Java requires all variables to have a type before they can be used in a program. 
C) Instance variables of the primitive types are automatically assigned a default value. 
D) All of the above.

Question 13

Where can local variables declared within a method's body be used?

Accepted Answer

A) Only in that method between the line in which they were declared and the closing brace of that method. 
B) Same as (a),but not within while or if statements. 
C) Only within while or if statements within the method in which they were declared. 
D) Anywhere within the class. 
A) Only in that method between the line in which they were declared and the closing brace of that method. 
B) Same as (a),but not within while or if statements. 
C) Only within while or if statements within the method in which they were declared. 
D) Anywhere within the class.

Question 14

Keyword ________ indicates the inheritance relationship.

Accepted Answer

A) extends 
B) inherits 
C) super 
D) parent 
A) extends 
B) inherits 
C) super 
D) parent

Question 15

Which of the following code segments does not increment val by 3:

Accepted Answer

A) val += 3; 
B) val = val+1; val = val+1;
Val = val+1; 
C) c = 3; val = val + (c == 3 ? 2 : 3); 
D) All of the above increment val by 3. 
A) val += 3; 
B) val = val+1; val = val+1;
Val = val+1; 
C) c = 3; val = val + (c == 3 ? 2 : 3); 
D) All of the above increment val by 3.

Question 16

Which of the following is not an error (either a syntax error or a logic error)?

Accepted Answer

A) Neglecting to include an action in the body of a while statement that will eventually cause the condition to become false. 
B) Spelling a keyword (such as while or if)with a capitalized first letter. 
C) Using a condition for a while statement that is initially false. 
D) An infinite loop. 
A) Neglecting to include an action in the body of a while statement that will eventually cause the condition to become false. 
B) Spelling a keyword (such as while or if)with a capitalized first letter. 
C) Using a condition for a while statement that is initially false. 
D) An infinite loop.

Question 17

A decision symbol in an activity diagram takes the shape of a ________.

Accepted Answer

A) Diamond. 
B) Rectangle. 
C) Circle. 
D) Triangle. 
A) Diamond. 
B) Rectangle. 
C) Circle. 
D) Triangle.

Question 18

What does the expression x %= 10 do?

Accepted Answer

A) Adds 10 to the value of x,and stores the result in x. 
B) Divides x by 10 and stores the remainder in x. 
C) Divides x by 10 and stores the integer result in x. 
D) None of the above. 
A) Adds 10 to the value of x,and stores the result in x. 
B) Divides x by 10 and stores the remainder in x. 
C) Divides x by 10 and stores the integer result in x. 
D) None of the above.

Question 19

What is output by the following Java code segment? int temp = 200;
If ( temp > 90 )
System.out.println( "This porridge is too hot." );
If ( temp < 70 )
System.out.println( "This porridge is too cold." );
If ( temp == 80 )
System.out.println( "This porridge is just right!" );

Accepted Answer

A) This porridge is too hot. 
B) This porridge is too cold. 
C) This porridge is just right! 
D) None of the above. 
A) This porridge is too hot. 
B) This porridge is too cold. 
C) This porridge is just right! 
D) None of the above.

Question 20

Which of the following is not a benefit of "goto-less programming"?

Accepted Answer

A) Easier to debug and modify 
B) Shorter 
C) Clearer 
D) More likely to be bug free 
A) Easier to debug and modify 
B) Shorter 
C) Clearer 
D) More likely to be bug free

Exam 4: Control Statements: Part 1

In an expression containing values of the types int and double,the ________ values are ________ to ________ values for use in the expression.

What is the result value of c at the end of the following code segment? int c = 8; C++; ++c; C %= 5;

Which of the following is not represented graphically in activity diagrams for control structures?

In an activity diagram,the merge symbol has the same shape as what other symbol?

In Java graphics,coordinate units are measured in ________.

Which statement is false?

Which primitive type can hold the largest value?

Which statement is true?

Which of the following terms is not used to refer to a sentinel value that breaks out of a while loop?

Which of the following is not a common name for one of the three phases that a program often can be split into using pseudocode?

Which of the following is not a Java keyword?

Java is considered a strongly typed language because:

Where can local variables declared within a method's body be used?

Keyword ________ indicates the inheritance relationship.

Which of the following code segments does not increment val by 3:

Which of the following is not an error (either a syntax error or a logic error)?

A decision symbol in an activity diagram takes the shape of a ________.

What does the expression x %= 10 do?

What is output by the following Java code segment? int temp = 200; If ( temp > 90 ) System.out.println( "This porridge is too hot." ); If ( temp < 70 ) System.out.println( "This porridge is too cold." ); If ( temp == 80 ) System.out.println( "This porridge is just right!" );

Which of the following is not a benefit of "goto-less programming"?

Introduction to Computers and Java

Introduction to Java Applications

Introduction to Classes and Objects

Control Statements: Part 2

Methods: a Deeper Look

Arrays and Arraylists

Classes and Objects: a Deeper Look

Object Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Exception Handling

Atm Case Study,part 1: Object-Oriented Design With the Uml

Atm Case Study,part 2: Implementing an Object-Oriented Design

Gui Components: Part 1

Graphics and Java 2d

Strings

Files,streams and Object Serialization

Recursion

Searching, Sorting and Big O

Generic Collections

Generic Classes and Methods

Custom Generic Data Structures

Applets and Java Web Start

Multimedia: Applets and Applications

Gui, Part 2

Multithreading

Networking

Accessing Databases With Jdbc

Java Server Faces Web Applications

Ajax-Enabled Jsf Web Applications

Web Services

Filters

In an expression containing values of the types int and double,the values are to values for use in the expression.