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- Introduction to Java
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- Introduction to Java - Set 1
- Introduction to Java - Set 2
- Introduction to Java - Set 3
- Introduction to Java - Set 4
- Introduction to Java - Set 5
- Introduction to Java - Set 6
- Introduction to Java - Set 7
- Introduction to Java - Set 8
- Introduction to Java - Set 9
- Introduction to Java - Set 10
- Introduction to Java - Set 11
- Introduction to Java - Set 12
- Introduction to Java - Set 13
- Introduction to Java - Set 14
- Introduction to Java - Set 15
- Introduction to Java - Set 16
- Introduction to Java - Set 17
- Introduction to Java - Set 18
- Introduction to Java - Set 19
- Introduction to Java - Set 20
- Introduction to Java - Set 21
- Introduction to Java - Set 22
- Introduction to Java - Set 23
- Introduction to Java - Set 24
- Introduction to Java - Set 25
- Introduction to Java - Set 26
- Introduction to Java - Set 27
- Introduction to Java - Set 28
- Introduction to Java - Set 29
- Introduction to Java - Set 30
- Introduction to Java - Set 31
- Introduction to Java - Set 32
- Introduction to Java - Set 33
- Intermediate
- Introduction to Java - Set 34
- Introduction to Java - Set 35
- Introduction to Java - Set 36
- Introduction to Java - Set 37
- Introduction to Java - Set 38
- Introduction to Java - Set 39
- Introduction to Java - Set 40
- Introduction to Java - Set 41
- Introduction to Java - Set 42
- Introduction to Java - Set 43
- Introduction to Java - Set 44
- Introduction to Java - Set 45
- Advanced Level
- Introduction to Java - Set 46
- Introduction to Java - Set 47
- Introduction to Java - Set 48
- Introduction to Java - Set 49
- Introduction to Java - Set 50
- Introduction to Java - Set 51
- Introduction to Java - Set 52
- Introduction to Java - Set 53
- Introduction to Java - Set 54
- Introduction to Java - Set 55
- Data Types & Variables
- Operators in Java
- Control Statements
- Arrays
- Strings
- Object-Oriented Programming (OOP)
- Interfaces & Abstract Classes
- Exception Handling
- Multithreading
- Collections Framework
- File Handling
- JDBC (Database Connectivity)
- Java MCQ - Loops, Decisions and Mathematical functions
- Loops, Decisions and Mathematical functions MCQ
- Loops, Decisions and Mathematical functions MCQ - Set 1
- Loops, Decisions and Mathematical functions MCQ - Set 2
- Loops, Decisions and Mathematical functions MCQ - Set 3
- Loops, Decisions and Mathematical functions MCQ - Set 4
- Loops, Decisions and Mathematical functions MCQ - Set 5
- Loops, Decisions and Mathematical functions MCQ - Set 6
- Loops, Decisions and Mathematical functions MCQ - Set 7
- Loops, Decisions and Mathematical functions MCQ - Set 8
- Java MCQ - Methods and Arrays
- Methods and Arrays MCQ
- Methods and Arrays MCQ - Set 1
- Methods and Arrays MCQ - Set 2
- Methods and Arrays MCQ - Set 3
- Methods and Arrays MCQ - Set 4
- Methods and Arrays MCQ - Set 5
- Methods and Arrays MCQ - Set 6
- Methods and Arrays MCQ - Set 7
- Methods and Arrays MCQ - Set 8
- Methods and Arrays MCQ - Set 9
- Java MCQ - Objects and Classes
- Objects and Classes MCQ
- Objects and Classes MCQ - Set 1
- Objects and Classes MCQ - Set 2
- Objects and Classes MCQ - Set 3
- Objects and Classes MCQ - Set 4
- Objects and Classes MCQ - Set 5
- Objects and Classes MCQ - Set 6
- Objects and Classes MCQ - Set 7
- Java MCQ - Objects Oriented Programming
- Java MCQ - Exception Handling, I/O, Abstract classes and Interfaces
- Java MCQ - JAVAFX basics and Event-driven programming and animations
- Java MCQ - JAVAFX UI controls and multimedia
- Java MCQ - Binary I/O ,Recursion and Generics
- Java MCQ - List, Stacks, Queues and Priority Queues
- Java MCQ - Sets and Maps
- Java MCQ - Concurrency
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Java Programming Multiple Choice Questions (MCQ)
Introduction to Java - Multiple Choice Questions (MCQ) - Set 49
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Multiple Choice Questions
Java - Introduction to Java - Multiple Choice Questions (MCQ) - Set 49
16. JIT compiler improves performance by:A). Interpreting code
B). Compiling entire program at once
C). Compiling frequently executed bytecode into native code
D). Loading classes faster
View Answer
Correct: C
17. Which class loader is responsible for loading core Java classes like java.lang?
A). Extension Class Loader
B). Bootstrap Class Loader
C). Application Class Loader
D). Custom Class Loader
Correct: B
18. Which class loader loads classes from the classpath?
A). Bootstrap
B). Extension
C). Application
D). Native
View Answer
Correct: C
19. Which JVM component links classes by verifying and preparing them?
A). Class Loader
B). Linking Phase
C). Execution Engine
D). JIT
Correct: B
20. Which phase assigns default values to static variables?
A). Loading
B). Verification
C). Preparation
D). Resolution
View Answer
Correct: C