1 - The operation ++ in Java means: Select one: a. That the value of 1 is added
ID: 3850144 • Letter: 1
Question
1 - The operation ++ in Java means:
Select one:
a. That the value of 1 is added to the variable
b. That the program should start executing from the beginning
c. That this line is a comment
d. That the value should be raised to the power of 2
2 - The rules that determine what is allowed in a program are known as the ____ of the language.
Select one:
a. syntax
b. grammar
c. semantics
d. pragmatics
3 - Variables of the type short can have values in the range of:
Select one:
a. integers between -128 and 127 inclusive
b. integers in the range -32768 and 32767
c. integers in the range -2147483648 and 2147483647
d. integers in the range -1024 and 1024
4 - The size of a variable of type double is:
Select one:
a. 8 bytes
b. 4 bytes
c. 2 bytes
d. 16 bytes
5 - A language that generates a syntax error when you try to put a different data type into a variable that it has not be declared for is called a ________ language.
Select one:
a. strongly typed
b. weak typed
c. static typed
d. dynamic typed
6 - Which of the following is an object type?
Select one:
a. byte
b. boolean
c. char
d. String
7 - What output will the following code produce:
int x, y;
boolean sameSign;
x=1;
y=1;
sameSign = ((x>0)==(y>0));
System.out.println(sameSign);
Select one:
a. true
b. 1
c. 0
d. false
8 - A memory location that has been given a name is called a:
Select one:
a. variable
b. type
c. object
d. class
9 - Which of the following is NOT a primitive data type.
Select one:
a. short
b. byte
c. double
d. String
10 - In Java, a variable of type long is ___ bytes in size.
Select one:
a. 2 bytes (16 bits)
b. 4 bytes (32 bits)
c. 8 bytes (64 bits)
d. 1 Byte (8 bits)
11 - A variable of type 'float' is represented in ___ bytes:
Select one:
a. 2 bytes (16 bits)
b. 4 bytes (32 bits)
c. 8 bytes (64 bits)
d. 1 Byte (8 bits)
12 - In java, a variable can only be used in a program if it has first been:
Select one:
a. declared
b. initialized
c. strongly typed
d. instantiated
13 - Subroutines in Java are often referred to as:
Select one:
a. subprograms
b. classes
c. objects
d. methods
14 - What output will the following code produce:
int counter;
counter = 5;
counter += 1;
System.out.println(counter);
Select one:
a. 5
b. 6
c. 0
d. None of the above
15 - What output would the following code produce?
enum Season { SPRING, SUMMER, FALL, WINTER } ;
Season vacation;
vacation = Season.SUMMER;
System.out.println(Season.SUMMER);
Select one:
a. SUMMER
b. Season.SUMMER
c. SPRING, SUMMER, FALL, WINTER
d. None of the above
16 - A statement with the following format
variable1 = ( x>=2) ? x++ : x--;
is employing a:
Select one:
a. conditional operator
b. boolean logic
c. type cast
d. relational operator
17 - True or False: The fetch and execute cycles always alternate?
Select one:
True
False
18 - True or False: A computer is built to carry out instructions that are written in a simple type of language called binary language.
Select one:
True
False
19 - True or False: A variable has a value that can not be changed by the program.
Select one:
True
False
20 - True or False: The word "public" when placed in front of a method declaration in java means that the routine can only be called from within the local class.
Select one:
True
False
21 - True or False: A variable of type boolean in java can have precisely two literals.
Select one:
True
False
22 - True or False: An asynchronous event is one that occurs at an unpredictable time outside the control of the program that the CPU is running.
Select one:
True
False
23 - True or False: Java programs are NOT compiled.
Select one:
True
False
24 - True or False: One of the components of a computer is its CPU, which converts the Input to the Output
Select one:
True
False
25 - True or False: A name for a constant value in java is called a literal.
Select one:
True
False
26 - True or False: An enum (enumerated type) is a example of an object type instead of a primitive type?
Select one:
True
False
Explanation / Answer
The answers are given below
1 - The operation ++ in Java means:
Select one:
a. That the value of 1 is added to the variable
b. That the program should start executing from the beginning
c. That this line is a comment
d. That the value should be raised to the power of 2
Answer: option a)That the value of 1 is added to the variable
2 - The rules that determine what is allowed in a program are known as the ____ of the language.
Select one:
a. syntax
b. grammar
c. semantics
d. pragmatics
Answer: option b) grammar.
3 - Variables of the type short can have values in the range of:
Select one:
a. integers between -128 and 127 inclusive
b. integers in the range -32768 and 32767
c. integers in the range -2147483648 and 2147483647
d. integers in the range -1024 and 1024
Answer: option b. integers in the range -32768 and 32767
4 - The size of a variable of type double is:
Select one:
a. 8 bytes
b. 4 bytes
c. 2 bytes
d. 16 bytes
Answer option a. 8 bytes
5 - A language that generates a syntax error when you try to put a different data type into a variable that it has not be declared for is called a ________ language.
Select one:
a. strongly typed
b. weak typed
c. static typed
d. dynamic typed
Answer option b. weak typed
6 - Which of the following is an object type?
Select one:
a. byte
b. boolean
c. char
d. String
Answer option d. String
7 - What output will the following code produce:
int x, y;
boolean sameSign;
x=1;
y=1;
sameSign = ((x>0)==(y>0));
System.out.println(sameSign);
Select one:
a. true
b. 1
c. 0
d. false
Answer option a. true
8 - A memory location that has been given a name is called a:
Select one:
a. variable
b. type
c. object
d. class
Answer option a. variable
9 - Which of the following is NOT a primitive data type.
Select one:
a. short
b. byte
c. double
d. String
Answer option d. String
10 - In Java, a variable of type long is ___ bytes in size.
Select one:
a. 2 bytes (16 bits)
b. 4 bytes (32 bits)
c. 8 bytes (64 bits)
d. 1 Byte (8 bits)
Answer option c. 8 bytes (64 bits)
11 - A variable of type 'float' is represented in ___ bytes:
Select one:
a. 2 bytes (16 bits)
b. 4 bytes (32 bits)
c. 8 bytes (64 bits)
d. 1 Byte (8 bits)
Answer option b. 4 bytes (32 bits)
12 - In java, a variable can only be used in a program if it has first been:
Select one:
a. declared
b. initialized
c. strongly typed
d. instantiated
Answer option b. initialized
13 - Subroutines in Java are often referred to as:
Select one:
a. subprograms
b. classes
c. objects
d. methods
Answer option d. methods
14 - What output will the following code produce:
int counter;
counter = 5;
counter += 1;
System.out.println(counter);
Select one:
a. 5
b. 6
c. 0
d. None of the above
Answer option b. 6
15 - What output would the following code produce?
enum Season { SPRING, SUMMER, FALL, WINTER } ;
Season vacation;
vacation = Season.SUMMER;
System.out.println(Season.SUMMER);
Select one:
a. SUMMER
b. Season.SUMMER
c. SPRING, SUMMER, FALL, WINTER
d. None of the above
Answer option a. SUMMER
16 - A statement with the following format
variable1 = ( x>=2) ? x++ : x--;
is employing a:
Select one:
a. conditional operator
b. boolean logic
c. type cast
d. relational operator
Answer option a. conditional operator
17 - True or False: The fetch and execute cycles always alternate?
Select one:
True
False
Answer: true
18 - True or False: A computer is built to carry out instructions that are written in a simple type of language called binary language.
Select one:
True
False
Answer: true
19 - True or False: A variable has a value that can not be changed by the program.
Select one:
True
False
Answer: false
20 - True or False: The word "public" when placed in front of a method declaration in java means that the routine can only be called from within the local class.
Select one:
True
False
Answer: false
21 - True or False: A variable of type boolean in java can have precisely two literals.
Select one:
True
False
Answer: true
22 - True or False: An asynchronous event is one that occurs at an unpredictable time outside the control of the program that the CPU is running.
Select one:
True
False
Answer: true
23 - True or False: Java programs are NOT compiled.
Select one:
True
False
Answer: false
24 - True or False: One of the components of a computer is its CPU, which converts the Input to the Output
Select one:
True
False
Answer: true
25 - True or False: A name for a constant value in java is called a literal.
Select one:
True
False
Answer: true
26 - True or False: An enum (enumerated type) is a example of an object type instead of a primitive type?
Select one:
True
False
Answer: true
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.