Web Services Development MCQs with Answers
Practice important Web Services Development MCQs with answers and explanations.
Chapter: 2
Q81:
Java provides a rich set of operators, which group does the '+' operator belong to?
A. Logical Operators
B. Bitwise Operators
C. Arithmetic Operators
D. Relational Operators
Correct Answer:
C
Chapter: 3
Q82:
What is the purpose of control flow statements in a program?
A. To execute statements sequentially
B. To conditionally execute specific blocks of code
C. To declare variables
D. To handle exceptions
Correct Answer:
B
Chapter: 3
Q83:
What is the difference between if-then and if-then-else statements?
A. if-then provides a secondary path of execution
B. if-then executes code regardless of condition
C. if-then-else provides a secondary path of execution
D. if-then always prints an error
Correct Answer:
C
Chapter: 3
Q84:
The __ loop is a sequence of instructions that repeats until a certain condition is met.
A. if-then
B. switch
C. for
D. do-while
Correct Answer:
C
Chapter: 3
Q85:
In a while loop, the loop body will not be executed if the condition is false ____.
A. on entry to the while
B. after the loop ends
C. before the loop starts
D. none of the above
Correct Answer:
A
Chapter: 3
Q86:
The do-while loop guarantees that the loop body is executed ____.
A. never
B. at least once
C. only if the condition is true
D. after the loop ends
Correct Answer:
B
Chapter: 3
Q87:
The for loop is primarily used to ____.
A. execute code conditionally
B. iterate over elements of a sequence
C. handle exceptions
D. declare variables
Correct Answer:
B
Chapter: 3
Q88:
Nested statements allow checking multiple conditions in a ___.
A. single if statement
B. sequence
C. block
D. loop
Correct Answer:
C
Chapter: 3
Q89:
Which statement is true about local blocks in programming?
A. Variables in a local block have global scope
B. Variables in a local block have local scope
C. Local blocks can be accessed anywhere in the program
D. Local blocks do not use braces
Correct Answer:
B
Chapter: 3
Q90:
In Java, the statement terminator is a ___.
A. colon (:)
B. comma (,)
C. semicolon (;)
D. period (.)
Correct Answer:
C
Chapter: 3
Q91:
The method System.out.println is used to ___.
A. declare variables
B. print strings to the console
C. end the program
D. handle exceptions
Correct Answer:
B
Chapter: 3
Q92:
Sentinel controlled loops are terminated based on ___.
A. a fixed number of iterations
B. the value of a sentinel variable
C. user input
D. the number of loop executions
Correct Answer:
B
Chapter: 3
Q93:
In the example provided, the sentinel variable is ___.
A. while
B. num
C. printf
D. scanf
Correct Answer:
B
Chapter: 3
Q94:
In Java, the keyword 'static' means ___.
A. a method is accessible without any objects of the class
B. a method returns a value
C. a method can only be called within its class
D. a method can be overloaded
Correct Answer:
A
Chapter: 3
Q95:
The package statement in Java defines ___.
A. a new class
B. a name space for classes
C. a method
D. a variable
Correct Answer:
B
Chapter: 3
Q96:
Block comments in Java are enclosed with ___.
A. /* and */
B. // and //
C. { and }
D. ""
Correct Answer:
A
Chapter: 3
Q97:
The condition in a while loop is evaluated ____.
A. after each iteration
B. before each iteration
C. only once
D. at random
Correct Answer:
B
Chapter: 3
Q98:
The following is an example of a ____ loop: do { statement } while (condition);
A. for
B. sentinel controlled
C. do-while
D. if-then
Correct Answer:
C
Chapter: 3
Q99:
Java uses __ to declare a class.
A. method
B. public
C. package
D. class
Correct Answer:
D
Chapter: 3
Q100:
The access modifier keyword in Java that makes a class accessible to all is ___.
A. private
B. public
C. protected
D. static
Correct Answer:
B