Web Design and Development MCQs with Answers
Practice important Web Design and Development MCQs with answers and explanations.
Chapter: 1
Q1:
When was Java first introduced?
A. 1990
B. 1995
C. 2000
D. 2005
Correct Answer:
B
Chapter: 1
Q2:
What language feature does Java NOT include compared to C++?
A. Operator overloading
B. Garbage collection
C. Pointers
D. Simple syntax
Correct Answer:
C
Chapter: 1
Q3:
What is one of the Java buzzwords that describes its support for multiple operating systems?
A. Portable
B. Secure
C. Dynamic
D. High-performance
Correct Answer:
A
Chapter: 1
Q4:
What does Java's JVM do to ensure code security?
A. Dynamic checking during runtime
B. Compile-time checking of syntax errors
C. Runtime compilation of code
D. Static analysis at load time
Correct Answer:
A
Chapter: 1
Q5:
Which feature helps Java to be considered "network friendly"?
A. Multi-threading
B. Dynamic class loading
C. Built-in networking operations
D. Robust memory management
Correct Answer:
C
Chapter: 1
Q6:
What Java feature helps reduce development time by providing useful pre-written code?
A. Object-oriented programming
B. Standard library classes
C. Dynamic typing
D. Garbage collection
Correct Answer:
B
Chapter: 1
Q7:
Which of the following Java features allows it to be used on various platforms without modification?
A. Write Once Run Anywhere
B. Compile Once Run Anywhere
C. Run Once Run Anywhere
D. Execute Once Run Anywhere
Correct Answer:
A
Chapter: 1
Q8:
How does Java's performance compare to C, according to the content?
A. Generally slower
B. Generally faster
C. Similar, with some variations
D. Faster in all cases
Correct Answer:
C
Chapter: 1
Q9:
What does Java use to ensure that code runs safely without security issues?
A. Runtime Security Manager
B. Static Code Analyzer
C. Just-in-Time Compiler
D. Virtual Memory Manager
Correct Answer:
A
Chapter: 1
Q10:
What is the role of the Java compiler (javac)?
A. Converts .java files to .class files
B. Packages .class files into .jar files
C. Compiles .jar files into .class
D. Translates .class files to bytecode
Correct Answer:
A
Chapter: 1
Q11:
What is the primary difference between Java and Microsoft's C#?
A. Java is portable, C# is not
B. C# is more secure than Java
C. C# uses dynamic typing
D. Java has more features
Correct Answer:
A
Chapter: 1
Q12:
Which Java feature helps prevent memory leaks?
A. Garbage collector
B. Manual memory management
C. Direct memory access
D. Memory pointers
Correct Answer:
A
Chapter: 1
Q13:
Which of the following Java technologies is used for web applications?
A. JSP
B. StringTokenizer
C. ArrayList
D. HashMap
Correct Answer:
A
Chapter: 1
Q14:
What makes Java considered to be "robust"?
A. Robust error checking and exception handling
B. Faster compilation
C. Direct memory access
D. Multiple inheritance
Correct Answer:
A
Chapter: 1
Q15:
What does the Java Virtual Machine (JVM) verify?
A. Code structure and memory access
B. Code efficiency and execution time
C. Code syntax and structure
D. Compilation errors
Correct Answer:
A
Chapter: 1
Q16:
What is the significance of Java's high-performance feature?
A. It ensures that Java runs faster than C
B. It uses aggressive just-in-time compilation
C. It reduces memory consumption
D. It is inherently faster in all cases
Correct Answer:
B
Chapter: 1
Q17:
What does Java's "Dynamic" feature enable?
A. Runtime loading and inspection of code
B. Compile-time loading of classes
C. Static memory allocation
D. High-performance networking
Correct Answer:
A
Chapter: 2
Q18:
What does Java bytecode get compiled into?
A. Source code
B. Class file
C. Machine code
D. Assembly code
Correct Answer:
B
Chapter: 2
Q19:
Which component is responsible for executing Java bytecodes?
A. Java Compiler
B. Java Runtime Environment (JRE)
C. Java Virtual Machine (JVM)
D. Java Development Kit (JDK)
Correct Answer:
C
Chapter: 2
Q20:
What does the command javac HelloWorld.java do?
A. Runs the Java program
B. Compiles the Java source file
C. Loads the bytecode into memory
D. Verifies the bytecode
Correct Answer:
B