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 significance of Java's community support?
A). Knowledge Sharing
B). Limited Resources
C). Lack of Innovation
D). Slow Development
What is the default file extension for Java source files?
A). .java
B). .class
C). .jar
D). .exe
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
What is the Java Virtual Machine (JVM)?
A). Runtime Environment
B). Integrated Circuit
C). Compiler
D). Operating System
What is the role of garbage collection in Java?
A). Memory Management
B). File Compression
C). Code Compilation
D). Error Handling
What type of applications can be developed using Java?
A). Mobile, Desktop, Web
B). Mobile, Desktop
C). Mobile, Web
D). Desktop, Web
Which of the following statements about Java's security is true?
A). Java has a robust security model
B). Java is not secure
C). Java is highly vulnerable to attacks
D). Java doesn't support security features
What is the ownership of Java?
A). Oracle
B). Microsoft
C). Google
D). Apple
What is the primary programming paradigm of Java?
A). Object-Oriented
B). Procedural
C). Functional
D). Declarative