Intro To Java
Java Script test
- 1.
Another term for program is:
- A.
Peopleware
- B.
Hardware
- C.
Software
- D.
Firmware
Correct Answer
C. Software -
- 2.
The major components of a typical computer system consist of
- A.
Input/output devices
- B.
Main memory
- C.
Secondary Storage
- D.
The CPU
- E.
All of the above
Correct Answer
E. All of the above -
- 3.
A byte is a collection of
- A.
Four bits
- B.
A dollar
- C.
Six bits
- D.
Eight bits
Correct Answer
D. Eight bits -
- 4.
A(n)______________is a special programming language used to write computer programs.
- A.
Programming language
- B.
Application
- C.
Operating system
- D.
Application
- E.
Pseudocode
Correct Answer
A. Programming language -
- 5.
Syntax is
- A.
Words that have a special meaning in the programming language
- B.
Rules that must be followed when writing a program
- C.
Symbols or words that perform operations
- D.
Punctuation
Correct Answer
B. Rules that must be followed when writing a program -
- 6.
Variables are:
- A.
Symbolic names made up by the programmer whose values cannot be changed
- B.
Operators that perform operations on one or more operands
- C.
Symbolic names made up by the programmer that represent locations in the computers RAM
- D.
Reserved words
Correct Answer
C. Symbolic names made up by the programmer that represent locations in the computers RAM -
- 7.
A software entity that contains data and procedures is a(n)
- A.
Object
- B.
Method
- C.
Class
- D.
Program
Correct Answer
A. Object -
- 8.
RAM is usually
- A.
Secondary storage
- B.
A volatile type of memory, used only for temporary storage
- C.
A static type of memory, used only for temporary storage
- D.
A static type of memory, used for permanent storage
- E.
An input/output device
Correct Answer
B. A volatile type of memory, used only for temporary storage -
- 9.
A computer program is
- A.
Pseudocode
- B.
Main memory
- C.
A set of instructions that enable the computer to solce a problem or perform a task
- D.
A flow chart
Correct Answer
C. A set of instructions that enable the computer to solce a problem or perform a task -
- 10.
Key words are
- A.
Words or names defined by a programmer
- B.
Symbols or words that perform operations on one or more operands
- C.
Words that have a special meaning in the programming language
- D.
The data names in your program
Correct Answer
C. Words that have a special meaning in the programming language -
- 11.
_________ are used to indicate the end of a Java statement
- A.
Periods
- B.
Semicolons
- C.
Colons
- D.
Asterisks
Correct Answer
B. Semicolons -
- 12.
If the following Java statements are executed, what will be displayedSystem.out.println("The top three winners are \n");System.out.println("Jody, the Giant \n");System.out.print("Buffy, the Dwarf");System.out.print("Adelle, the Albino");
- A.
The top three winners are Jody, the Giant Buffy, the DwarfAdelle, the Albino
- B.
The top three winners are Jody, the Giant\nBuffy, the DwarfAdelle, the Albino
- C.
The top three winnders are Jody, the Giant\nBuffy, the DwarfAdelle, the Albino
- D.
The top three winnders are Jody, the Giant Buffy, the Dwarf Adelle, the Albino
Correct Answer
A. The top three winners are Jody, the Giant Buffy, the DwarfAdelle, the Albino -
- 13.
A(n) _______ is a value that is written into the code of a program
- A.
Assignment statement
- B.
Variable
- C.
Literal
- D.
Operator
Correct Answer
C. Literal -
- 14.
Which of the following is not a primitive data type?
- A.
Float
- B.
Short
- C.
String
- D.
Long
Correct Answer
C. String -
- 15.
The boolean data type may contain values in the following range of values
- A.
-128 to +127
- B.
-32,768 to +32,767
- C.
-2,198,284 to +2,198,283
- D.
True/False
Correct Answer
D. True/False -
- 16.
Character literals are enclosed in _________; string literals are enclosed in_______.
- A.
Double quotes; double quotes
- B.
Single quotes; double quotes
- C.
Single quotes; single quotes
- D.
Double quotes; single quotes
Correct Answer
B. Single quotes; double quotes -
- 17.
What is the result of the following statement?25/4+4*10%3
- A.
19
- B.
3
- C.
7
- D.
5.25
Correct Answer
C. 7 -
- 18.
Which of the following will correctly convert the data type, if x is an integer and y is a double?
- A.
X = (int) y;
- B.
X=y;
- C.
X = int y;
- D.
X = y;
Correct Answer
A. X = (int) y; -
- 19.
In the following Java statement what is the value of the variable, name?
- A.
John Doe
- B.
The memory address where "John Doe" is located
- C.
The memory address where name is located
- D.
Name
Correct Answer
B. The memory address where "John Doe" is located -
- 20.
To display the output on the next line, you can use the println method or use the escape sequence _________, in the print method.
- A.
\b
- B.
\n
- C.
\t
- D.
\r
Correct Answer
B. \n -
- 21.
What would be displayed as a result of the follwing code, assuming x has been declared an integer?x=578;System.out.print("There are " + x + "5 \n" + "hens in the hen house.");
- A.
There are 583 hens in the hen house.
- B.
There are x5\nhens in the hen house.
- C.
There are 5785 hens in the hen house
- D.
There are 5785 hens in the hen house.
Correct Answer
C. There are 5785 hens in the hen house -
- 22.
If x has been declared an integer, int x;, which of the following is invalid?
- A.
X=-58932
- B.
X=1,000;
- C.
X=592;
- D.
X=0;
Correct Answer
B. X=1,000; -
- 23.
Given double r;, which of the following is invalid
- A.
R=-9.4632E15;
- B.
R=2.9X106
- C.
R=9.4632e15;
- D.
R=326.75
Correct Answer
B. R=2.9X106 -
- 24.
Variables of the boolean data type are useful for
- A.
Working with small integers
- B.
Evaluating scientific notation
- C.
Evaluating true/false conditions
- D.
Working with very large integers
Correct Answer
C. Evaluating true/false conditions -
- 25.
What is the result of the following statement?17%3*2-12+15
- A.
8
- B.
7
- C.
105
- D.
12
Correct Answer
B. 7 -
- 26.
What will be displayed after the following statements have been executed? int x = 15, y = 20, z = 32; x *= y; y –= z; z% = 16; System.out.println(“x = ” + x + “, y = ” + y, “ z = ” +z);
- A.
X=300,y=-12,z=0
- B.
X=35,y=52,z=48
- C.
X=15,y=20,z=32
- D.
X=300,y=-12,z=2
Correct Answer
A. X=300,y=-12,z=0 -
- 27.
A(n) ____ is a variable whose content is read only and cannot be changed during the program’s execution of the program.
- A.
Named constant
- B.
Literal
- C.
Operator
- D.
Reserved word
Correct Answer
A. Named constant -
- 28.
Which of the following expressions will check to see if x is less than or equal to y?
- A.
X=
- B.
X>=y
- C.
X
- D.
X>y
Correct Answer
C. X -
- 29.
What will be the value of x after the following code is executed? int x = 75; int y = 60; if (x > y) x = x – y;
- A.
75
- B.
15
- C.
135
- D.
60
Correct Answer
B. 15 -
- 30.
What will be the value of ans after the following code has been executed? int x = 65; int y = 55; if (x >= y) int ans = x + y;
- A.
10
- B.
120
- C.
100
- D.
No value, there is a syntax error
Correct Answer
B. 120 -
- 31.
What will be the value of ans after the following code has been executed? int x = 90, y = 55, ans = 10; if ( x == y); ans *= 2; a. 10 b. 145 c. 20 d. No value, there is a syntax error
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
C. C -
- 32.
If chr is a character variable, which of the following if statements is correct? a. if (chr = “a”) b. if (chr == “a”) c. if (chr = ‘a’) d. if (chr == ‘a’)
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
D. D -
- 33.
What will be the value of bonus after the following code is executed? int bonus, sales = 10000; if (sales < 5000) bonus = 200; else if (sales < 7500) bonus = 500; else if (sales < 10000) bonus = 750; else if (sales < 20000) bonus = 1000; else bonus = 1250; a. 200 b. 500 c. 750 d. 1000 e. 1250
- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
Correct Answer
D. D -
- 34.
What would be the value of bonus after the following statements are executed? int bonus, sales = 85000; char dept = ‘S’; if (sales > 100000) if (dept == ‘R’) bonus = 2000; else bonus = 1500; else if (sales > 75000) if (dept == ‘R’) bonus = 1250; else bonus = 1000; else bonus = 0; a. 2000 b. 1500 c. 1250 d. 1000
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
D. D -
- 35.
Which of the following is the correct boolean expression to test for: int x being a value between, but not including, 500 and 650, or int y not equal to 1000? a. ((x >= 500 && x <= 650) && (y != 1000)) b. ((x > 500 AND x < 650) OR !(y.equal(1000))) c. ((x > 500 && x < 650) || (y != 1000)) d. ((x < 500 && x > 650) || !(y == 1000))
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
C. C -
- 36.
The expression in an if statement must evaluate to a. 0 or 1 b. +1 or –1 c. true or false d. T or F
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
C. C -
- 37.
27. _____ operators are used to determine whether a specific relationship exists between two values. a. Arithmetic b. Relational c. Syntactical d. Assignment
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
B. B -
- 38.
28. What is the value of x after the following code has been executed? int x = 75; int y = 90; if ( x != y) x += y; a. 75 b. 90 c. 15 d. 165
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
D. D -
- 39.
Each byte is assigned to a unique number known as an address.
- A.
True
- B.
False
Correct Answer
A. True -
- 40.
The following truth table shows various combinations of the values true and false connected by a logical operator. Complete the table by answering T or F to indicate if the result of such a combination is true or false________ true && false________ true && true________ true || false________ false || !false________ !(true && false)________ !(!false)________ !(!true || false)
Correct Answer
FTTTTFT
false true true true true false true - 41.
A Java program must have at least one a. Class definition b. Variable c. Comment d. System.out.println(); statement
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
A. A -
- 42.
All Java lines of code end with semicolons. a. True b. False
- A.
A
- B.
B
Correct Answer
A. A -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Jan 15, 2013Quiz Edited by
ProProfs Editorial Team -
May 07, 2010Quiz Created by
Briitanii
Back to top