Web Services Development MCQs with Answers
Practice important Web Services Development MCQs with answers and explanations.
Chapter: 3
Q101:
Control flow statements break up the flow of execution by ____.
A. directly terminating the program
B. enabling conditional execution
C. printing output to the console
D. none of the above
Correct Answer:
B
Chapter: 3
Q102:
The if-then-else statement in Java provides ____.
A. an alternative path of execution if the 'if' condition is false
B. no alternative path
C. an alternative path if the 'else' condition is true
D. none of the above
Correct Answer:
A
Chapter: 3
Q103:
The syntax for a while loop in C is ____.
A. while (expression);
B. for (initialization; condition; increment)
C. if (expression)
D. do { statements } while (expression);
Correct Answer:
A
Chapter: 4
Q104:
What does the Document Object Model (DOM) represent in a web browser?
A. A database
B. A collection of objects
C. A file system
D. A communication protocol
Correct Answer:
B
Chapter: 4
Q105:
Which feature is common to all abstract mobile phone classes?
A. Video Recording
B. Camera
C. Calling
D. Reading Emails
Correct Answer:
C
Chapter: 4
Q106:
Encapsulation allows which of the following?
A. Hiding implementation details
B. Accessing private data directly
C. Creating multiple interfaces
D. Modifying private attributes
Correct Answer:
A
Chapter: 4
Q107:
What is a class in object-oriented programming?
A. A blueprint for creating objects
B. An instance of an object
C. A variable that stores data
D. A method for data manipulation
Correct Answer:
A
Chapter: 4
Q108:
Which symbol indicates a public member in a class?
A. #
B. -
C. +
D. *
Correct Answer:
C
Chapter: 4
Q109:
Which of the following keywords is used to create an object in Java?
A. new
B. create
C. object
D. allocate
Correct Answer:
A
Chapter: 4
Q110:
String objects in Java are:
A. Mutable
B. Immutable
C. Static
D. Dynamic
Correct Answer:
B
Chapter: 4
Q111:
Which method is used to compare the content of two strings in Java?
A. compareTo()
B. equals()
C. ==
D. operator!=
Correct Answer:
B
Chapter: 4
Q112:
What is the result of comparing two strings using the '==' operator?
A. Compares the string content
B. Compares the string length
C. Compares the object references
D. Compares the ASCII values
Correct Answer:
C
Chapter: 4
Q113:
Which method is used to concatenate two strings in Java?
A. append()
B. concat()
C. join()
D. add()
Correct Answer:
B
Chapter: 4
Q114:
The compareTo() method in Java returns which data type?
A. boolean
B. int
C. float
D. char
Correct Answer:
B
Chapter: 4
Q115:
In Java, which operator checks if two object references point to the same instance?
A. =
B. ==
C. !=
D. <>
Correct Answer:
B
Chapter: 4
Q116:
The 'charAt()' method in Java returns the character at which of the following?
A. Starting index
B. Ending index
C. Specified index
D. Any index
Correct Answer:
C
Chapter: 4
Q117:
The 'length()' method in Java returns what?
A. The number of bytes
B. The number of characters
C. The memory size
D. The length in pixels
Correct Answer:
B
Chapter: 4
Q118:
Which of the following creates a new String object in Java?
A. String str = "Hello";
B. String str = Hello;
C. String str = new "Hello";
D. String str = new String("Hello");
Correct Answer:
D
Chapter: 4
Q119:
When a new String is created using a literal, it is stored where?
A. Heap memory
B. Stack memory
C. String pool
D. Temporary memory
Correct Answer:
C
Chapter: 4
Q120:
The String class in Java uses which character set?
A. ASCII
B. ISO-8859-1
C. UTF-8
D. Unicode
Correct Answer:
D