Java
a. programmer b. decipherer C. COMPILER d. syntax detector
A ____ translates high-level language statements into machine code.
a. any decimal numberd. b. any character C. THE VALUE TRUE OR FALSE d. any whole number
A boolean variable can hold
a. addition within parentheses b. multiplication c. remainder D. SUBTRACTION
According to the rules of operator precedence, when division occurs in the same arithmetic statement as ____, the division operation always takes place first.
a. interpret, compile b. interpret, execute c. compile, execute D. COMPILE, INTERPET
After you write and save a Java application file, you ____ and then ____ it.
a. period b. comma C. SEMICOLON d. closing parenthesis
All Java programming statements must end with a ____.
a. colon B. BACKSLASH c. equal sign d. forward slash
An escape sequence always begins with a(n)
A. OBJECT b. method c. class d. procedure
An instance of a class is a(n) ____.
a. curly braces B.PARENTHESE c. double quotation marks d. single quotation marks
Arguments to methods always appear within ____.
A. BALANCE = 9000; b. balance = 9000.5; c. balance = 9,000; d. balance = '9000';
Assuming you have declared balance to be a variable of type int, which of the following is a valid assignment statement in Java?
a. procedural programming b. command-line operating systems c. machine languages D. OBJECT-ORIENTED PROGRAMMING
Envisioning program components as objects that are similar to concrete objects in the real world is the hallmark of ____.
A. FLOAT b. error message c. byte d. int
If you attempt to add a float, an int, and a byte, the result will be a(n)
a. Java Virtual Reality b. company's mainframe c. Machine of Java D. JAVA VIRTUAL MACHINE
Java does not execute instructions on a computer directly, but rather on the ____.
a. oriented B. NEUTRAL c. specific d. abstract
Java is architecturally ____.
a. string, literal b. constant, variable C. LINE, BLOCK d. single, multiple
Java supports three types of comments: ____, ____, and javadoc.
a. appellations B. VARIABLES c. compilers d. addresses
Named computer memory locations are called ____.
a. notes B. COMMENTS c. commands d. classes
Non-executing program statements that provide documentation are called program ____.
A. == b. != c. !! d. =
The "equal to" relational operator is
a. JDK b. index.html file C. API d. SDK
The Java ____ contains information about how to use every prewritten Java class, including lists of all the methods you can use with the classes.
A. TOKENS b. characters c. arguments d. parameters
The Scanner class contains methods that retrieve values, referred to as ____, from an input device.
a. execute b. run c. javac D. JAVA
The command to execute a compiled Java application is ____.
A. PROCEDURES b. constants c. logistics d. variables
The individual operations used in a computer program are often grouped into logical units called ____.
a. Java b. a high-level language c. C++ D. MACHINE LANGUAGE
The most basic circuitry-level computer language, which consists of on and off switches, is ____.
A. MODULUS OPERATOR b. is represented by a forward slash c. provides the quotient of integer division d. must follow a division operation
The remainder operator
a. format b. logic c. objects D. SYNTAX
The rules of a programming language constitute its ____.
a. scientific notation b. scientific digits c. double precision D. SIGNIFICANT DIGITS
The term ____ refers to the mathematical accuracy of a value.
a. methods b. orientation c. conditions D. STATE
The values of an object's attributes also are known as its ____.
a. Java.in b. input c. System.input D. SYSTEM.IN
To create interactive programs that accept input from a user, you can use
a. export B. IMPORT c. access d. bridge
Using a(n) ____ statement, Java allows you to access built-in classes that are contained in a group of classes called a package.
a. variable B. CONSTANT c. volatile d. mutable
When data cannot be changed while a program is running, the data is
a. issues an error message b. requires you to explicitly convert the values to a unifying type c. implicitly converts the values to the type of the first operand D. IMPLICYTY CONVERTS THE VALUES TO A UNIFYING TYPE
When you perform arithmetic with values of diverse types, Java
a. resave b. reinterpret C. RECOMPILE d. rename
When you run your program you don't see evidence of the changes you just made to it. You realize that you forgot to ____ the program.
a. char aChar == 'W'; B. char aChar = "W"; c. char aChar = 5.5; d. char aChar = '*';
Which assignment is correct in Java?
a. int B. BYTE c. long d. float
Which of the following data types can store a value in the least amount of memory?
A. DOUBLE b. single c. scientific d. bit
Which of the following is a floating-point data type that Java supports?
A. SECTOR b. int c. boolean d. byte
Which of the following is not a primitive data type in Java?
a. := B. = c. == d. ::
Which of the following is not a primitive data type in Java?
a. a semicolon B. AN ASSIGNED VALUE c. a type d. an identifier
Which of the following is not a primitive data type in Java?
a. Yes b. No c. Cancel D. TRY AGAIN
Which of the following is not an option that can be displayed with a confirm dialog box?
A. .JAVA b. .src c. .class d. .txt
You save text files containing Java source code using the file extension ____.
A. TYPE CAST b. format c. type set d. mistake
You use a ____ to explicitly override an implicit type.