Question 1

What would be printed out as a result of the following code? System.out.println("The quick brown fox" +
"jumped over the 
"
"slow moving hen.") ;

Accepted Answer

A)   The quick brown fox jumped over the 
slow moving hen.
B)   The quick brown fox jumped over theSlow moving hen.
C)   The quick brown foxJumped over theSlow moving hen.
D)   Nothing - this is an errorE) A) and D)
F) A) and C)

Question 2

What is the value of z after the following code is executed? 
int x = 5, y = 28;
Float z;
Z = (float)  (y / x) ;

Accepted Answer

A)   5.6
B)   3.0
C)   5.0
D)   5.60E) A) and B)
F) B) and C)

Question 3

What output will be displayed as a result of executing the following code?
 int x = 5, y = 20;
X += 32;
Y /= 4;
System.out.println("x = " + x + ", y = " + y) ;

Accepted Answer

A)   x = 160, y = 80
B)   x = 32, y = 4
C)   x = 37, y = 5
D)   x = 9, y = 52E) A) and B)
F) A) and C)

Question 4

What will be displayed as a result of executing the following code? 
public class test
{
Public static void main(String[ ] args) 
{
Int value1 = 9;
System.out.println(value1) ;
Int value2 = 45;
System.out.println(value2) ;
System.out.println(value3) ;
Value = 16;
}
}

Accepted Answer

A)   94516
B)   94516
C)   9 45 16
D)   Nothing. This is an errorE) None of the above
F) A) and D)

Question 5

Both character and string literals can be assigned to a char variable.

Accepted Answer

A) True 
 B)False

Question 6

Named constants are initialized with a value and that value cannot change during the execution of the program.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following statements correctly creates a Scanner object for keyboard input?

Accepted Answer

A)   Scanner kbd = new Scanner(System.keyboard) ;
B)   Scanner keyboard = new Scanner(System.in) ;
C)   Scanner keyboard(System.in) ;
D)   Keyboard scanner = new Keyboard(System.in) ;E) C) and D)
F) B) and C)

Question 8

When the + operator is used with strings, it is known as the

Accepted Answer

A)   assignment operator
B)   string concatenation operator
C)   addition operator
D)   combines assignment operatorE) None of the above
F) B) and C)

Question 9

If x has been declared an int, which of the following statements is invalid?

Accepted Answer

A)   x = 0;
B)   x = -59832;
C)   x = 1,000;
D)   x = 592E) A) and B)
F) None of the above

Question 10

A Java program will not compile unless it contains the correct line numbers.

Accepted Answer

A) True 
 B)False

Question 11

The System.out.printf method allows you to format output in a variety of ways.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is not a valid Java comment?

Accepted Answer

A)   /** Comment one */
B)   */ Comment two /*
C)   // Comment three
D)   /* Comment four */E) None of the above
F) A) and B)

Question 13

The Java API provides a class named Math that contains numerous methods which are useful for performing complex mathematical operations.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is not a rule that must be followed when naming identifiers?

Accepted Answer

A)   The first character must be one of the letters a-z, A-Z, and underscore or a dollar sign.
B)   Identifiers can contain spaces.
C)   Uppercase and lowercase characters are distinct.
D)   After the first character, you may use the letters a-z, A-Z, the underscore, a dollar sign, or digits 0-9.E) None of the above
F) All of the above

Question 15

Which of the following cannot be used as identifiers in Java?

Accepted Answer

A)   variable names
B)   class names
C)   key words
D)   objectsE) A) and D)
F) A) and B)

Question 16

The boolean data type may contain which of the following range of values?

Accepted Answer

A)   -128 to + 127
B)   true or false
C)   -2,147,483,648 to +2,147,483,647
D)   -32,768 to +32,767E) All of the above
F) A) and C)

Question 17

What is the result of the following expression? 
17 % 3 * 2 - 12 + 15

Accepted Answer

A)   105
B)   12
C)   7
D)   8E) A) and B)
F) A) and C)

Question 18

Character literals are enclosed in __________ and string literals are enclosed in __________.

Accepted Answer

A)   single quotes, double quotes
B)   double quotes, single quotes
C)   single quotes, single quotes
D)   double quotes, double quotesE) C) and D)
F) A) and C)

Question 19

The primitive data types only allow a(n)  __________ to hold a single value.

Accepted Answer

A)   class
B)   literal
C)   object
D)   variableE) All of the above
F) B) and D)

Question 20

Class names and key words are examples of variables.

Accepted Answer

A) True 
 B)False

Exam 2: Java Fundamentals

If x has been declared an int, which of the following statements is invalid?

Correct AnswerverifiedShow Answer

What will be displayed as a result of executing the following code? public class test { Public static void main(String[ ] args) { Int value1 = 9; System.out.println(value1) ; Int value2 = 45; System.out.println(value2) ; System.out.println(value3) ; Value = 16; } }

Correct AnswerverifiedShow Answer

The boolean data type may contain which of the following range of values?

Correct AnswerverifiedShow Answer

Which of the following is not a rule that must be followed when naming identifiers?

Correct AnswerverifiedShow Answer

The Java API provides a class named Math that contains numerous methods which are useful for performing complex mathematical operations.

Correct AnswerverifiedShow Answer

Named constants are initialized with a value and that value cannot change during the execution of the program.

Correct AnswerverifiedShow Answer

What is the result of the following expression? 17 % 3 * 2 - 12 + 15

Correct AnswerverifiedShow Answer

Both character and string literals can be assigned to a char variable.

Correct AnswerverifiedShow Answer

A Java program will not compile unless it contains the correct line numbers.

Correct AnswerverifiedShow Answer

Which of the following cannot be used as identifiers in Java?

Correct AnswerverifiedShow Answer

What is the value of z after the following code is executed? int x = 5, y = 28; Float z; Z = (float) (y / x) ;

Correct AnswerverifiedShow Answer

The primitive data types only allow a(n) __________ to hold a single value.

Correct AnswerverifiedShow Answer

Which of the following is not a valid Java comment?

Correct AnswerverifiedShow Answer

What would be printed out as a result of the following code? System.out.println("The quick brown fox" + "jumped over the \n" "slow moving hen.") ;

Correct AnswerverifiedShow Answer

Character literals are enclosed in __________ and string literals are enclosed in __________.

Correct AnswerverifiedShow Answer

Class names and key words are examples of variables.

Correct AnswerverifiedShow Answer

Which of the following statements correctly creates a Scanner object for keyboard input?

Correct AnswerverifiedShow Answer

What output will be displayed as a result of executing the following code? int x = 5, y = 20; X += 32; Y /= 4; System.out.println("x = " + x + ", y = " + y) ;

Correct AnswerverifiedShow Answer

When the + operator is used with strings, it is known as the

Correct AnswerverifiedShow Answer

The System.out.printf method allows you to format output in a variety of ways.

Correct AnswerverifiedShow Answer

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Character literals are enclosed in and string literals are enclosed in .

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