Question 1

Which of the following is not an arithmetic operator?

Accepted Answer

A)  +
B)  -
C)  .
D)  %E) B) and D)
F) B) and C)

Question 2

Which of the following is not a compilation error?

Accepted Answer

A)  Neglecting to initialize a local variable in a method before it is used.
B)  Placing a semicolon at the end of the first line of an if statement.
C)  Omitting the left and right parenthesis for the condition of an if statement.
D)  All are compilation errors.E) A) and B)
F) A) and C) B

Question 3

Each of the following is a relational or equality operator except:

Accepted Answer

A)  
B)  =!
C)  ==
D)  >E) C) and D)
F) B) and C) B

Question 4

All import declarations must be placed

Accepted Answer

A)  inside the class declaration's body.
B)  before the class declaration.
C)  after the class declaration.
D)  all of the above will work.E) B) and D)
F) A) and B)

Question 5

Which is the output of the following statements? System.out.print( "Hello ") ;
System.out.println( "World" ) ;

Accepted Answer

A)  Hello World
B)  HelloWorld
C)  Hello World.
D)  World HelloE) C) and D)
F) None of the above A

Question 6

Which of the following statements would display the phase Java is fun?

Accepted Answer

A)  System.out.println( "hellois fun\rJava " ) ;
B)  System.out.println( 'Java is fun' ) ;
C)  System.out.println( "\"Java is fun\"" ) ;
D)  System.out.println( Java is fun ) ;E) A) and B)
F) B) and D)

Question 7

Which command compiles the Java source code file Welcome.java?

Accepted Answer

A)  cd Welcome.java
B)  javac Welcome.java
C)  java Welcome.java
D)  compile Welcome.javaE) None of the above
F) All of the above

Question 8

Which of the following is not a Java primitive type?

Accepted Answer

A)  char
B)  byte
C)  real
D)  doubleE) A) and C)
F) C) and D)

Question 9

What is the value of result after the following Java statements execute? int a,b,c,d,result;
A = 4;
B = 12;
C = 37;
D = 51;
Result = d % a * c + a % b + a;

Accepted Answer

A)  119
B)  51
C)  127
D)  59E) A) and B)
F) A) and C)

Question 10

Which command executes the Java class file Welcome.class?

Accepted Answer

A)  javac Welcome.class
B)  java Welcome.class
C)  java Welcome
D)  run Welcome.classE) B) and C)
F) B) and D)

Question 11

Which of the following cannot cause a syntax error to be reported by the Java compiler?

Accepted Answer

A)  Mismatched {}
B)  Missing */ in a comment that begins with /*
C)  Missing ;
D)  An extra blank line.E) None of the above
F) All of the above

Question 12

Which of the following does not contain a syntax error?

Accepted Answer

A)  System.out.println( 'Hello world!' ) :
B)  System.out.println( "Hello world!" ) ;
C)  System.out.println( "Hello world!" ) ; .
D)  System.out.println( Hello world! ) ; .E) C) and D)
F) All of the above

Question 13

The format specifier ________ is a placeholder for an int value?

Accepted Answer

A)  %a
B)  %d
C)  %int
D)  %sE) All of the above
F) A) and C)

Question 14

When method printf requires multiple arguments,the arguments are separated with ________.

Accepted Answer

A)  colons (:) .
B)  semicolons (;) .
C)  commas (,) .
D)  periods (. ) .E) A) and D)
F) C) and D)

Question 15

What will be output after the following Java statements have been executed? int a,b,c,d;
A = 4;
B = 12;
C = 37;
D = 51;
If ( a  b ) 
System.out.println( "a > b" ) ;
If ( d <= c ) 
System.out.println( "d <= c" ) ;
If ( c != d ) 
System.out.println( "c != d" ) ;

Accepted Answer

A)  a 
B)  a C != d
C)  a > b c != d
D)  a A != bE) A) and D)
F) B) and C)

Question 16

Which of the following is the escape character?

Accepted Answer

A)  *
B)  \
C)

D)  "E) A) and B)
F) A) and C)

Question 17

Which of the following is a variable declaration statement?

Accepted Answer

A)  int total;
B)  import java.util.Scanner;
C)  public static void main( String args[] ) 
D)  // first string entered by userE) A) and B)
F) A) and C)

Question 18

Which of the following statement displays Hello World?

Accepted Answer

A)  System.out.printf( "%2s","Hello " "World" ) ;
B)  System.out.printf( "%s %s","Hello","World" ) ;
C)  System.out.printf( "%s%s","Hello,World" ) ;
D)  System.out.printf( "s% s%","Hello","World" ) ;E) B) and D)
F) B) and C)

Question 19

Which of the following statements does not alter a memory location?

Accepted Answer

A)  int a;
B)  number = 12;
C)  y = y + 2;
D)  width = Integer.parseInt(input) ;E) B) and D)
F) None of the above

Question 20

Which of the following escape sequences represents a carriage return?

Accepted Answer

A)  
.
B)  .
C)  \cr.
D)  \c.E) C) and D)
F) B) and C)

Exam 2: Introduction to Java Applications

Which of the following is not an arithmetic operator?

Correct Answer
verified

Which of the following is not a compilation error?

Correct Answer
verified
B

Each of the following is a relational or equality operator except:

Correct Answer
verified
B

All import declarations must be placed

Correct Answer
verified

Which is the output of the following statements? System.out.print( "Hello ") ; System.out.println( "World" ) ;

Correct Answer
verified
A

Which of the following statements would display the phase Java is fun?

Correct Answer
verified

Which command compiles the Java source code file Welcome.java?

Correct Answer
verified

Which of the following is not a Java primitive type?

Correct Answer
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What is the value of result after the following Java statements execute? int a,b,c,d,result; A = 4; B = 12; C = 37; D = 51; Result = d % a * c + a % b + a;

Correct Answer
verified

Which command executes the Java class file Welcome.class?

Correct Answer
verified

Which of the following cannot cause a syntax error to be reported by the Java compiler?

Correct Answer
verified

Which of the following does not contain a syntax error?

Correct Answer
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The format specifier ________ is a placeholder for an int value?

Correct Answer
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When method printf requires multiple arguments,the arguments are separated with ________.

Correct Answer
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Correct Answer
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Which of the following is the escape character?

Correct Answer
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Which of the following is a variable declaration statement?

Correct Answer
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Which of the following statement displays Hello World?

Correct Answer
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Which of the following statements does not alter a memory location?

Correct Answer
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Which of the following escape sequences represents a carriage return?

Correct Answer
verified

Exam 2: Introduction to Java Applications

Which of the following is not an arithmetic operator?

Correct AnswerverifiedShow Answer

Which of the following is not a compilation error?

Correct AnswerverifiedB

Each of the following is a relational or equality operator except:

Correct AnswerverifiedB

All import declarations must be placed

Correct AnswerverifiedShow Answer

Which is the output of the following statements? System.out.print( "Hello ") ; System.out.println( "World" ) ;

Correct AnswerverifiedA

Which of the following statements would display the phase Java is fun?

Correct AnswerverifiedShow Answer

Which command compiles the Java source code file Welcome.java?

Correct AnswerverifiedShow Answer

Which of the following is not a Java primitive type?

Correct AnswerverifiedShow Answer

What is the value of result after the following Java statements execute? int a,b,c,d,result; A = 4; B = 12; C = 37; D = 51; Result = d % a * c + a % b + a;

Correct AnswerverifiedShow Answer

Which command executes the Java class file Welcome.class?

Correct AnswerverifiedShow Answer

Which of the following cannot cause a syntax error to be reported by the Java compiler?

Correct AnswerverifiedShow Answer

Which of the following does not contain a syntax error?

Correct AnswerverifiedShow Answer

The format specifier ________ is a placeholder for an int value?

Correct AnswerverifiedShow Answer

When method printf requires multiple arguments,the arguments are separated with ________.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following is the escape character?

Correct AnswerverifiedShow Answer

Which of the following is a variable declaration statement?

Correct AnswerverifiedShow Answer

Which of the following statement displays Hello World?

Correct AnswerverifiedShow Answer

Which of the following statements does not alter a memory location?

Correct AnswerverifiedShow Answer

Which of the following escape sequences represents a carriage return?

Correct AnswerverifiedShow Answer

Correct Answer
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B

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B

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A

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