What is the default file extension for Java source files?
A). .java
B). .class
C). .jar
D). .exe
What is the role of garbage collection in Java?
A). Memory Management
B). File Compression
C). Code Compilation
D). Error Handling
How does Java facilitate code organization and reuse?
A). Object-Oriented Principles
B). Procedural Programming
C). Spaghetti Code
D). Copy-Paste Approach
Which of the following is a benefit of Java's object-oriented nature?
A). Code Reusability
B). Code Duplication
C). Code Complexity
D). Code Confusion
Which of the following is not a characteristic of Java?
A). Static Typing
B). Dynamic Typing
C). Strongly Typed
D). Weakly Typed
What is the primary programming paradigm of Java?
A). Object-Oriented
B). Procedural
C). Functional
D). Declarative
How many devices run Java globally?
A). More than 3 billion
B). More than 1 billion
C). More than 5 billion
D). More than 2 billion
What is the Java Virtual Machine (JVM)?
A). Runtime Environment
B). Integrated Circuit
C). Compiler
D). Operating System
Which of the following statements about Java's licensing model is true?
A). Java is open-source and free to use
B). Java is proprietary and expensive
C). Java is open-source but requires a license fee
D). Java is proprietary but free to use
What is the ownership of Java?
A). Oracle
B). Microsoft
C). Google
D). Apple