Java Diagnostic Assessment

What is Java primarily used for?

• Game development

• Web development

• Mobile applications

• All of the above

Who developed the Java programming language?

• Microsoft

• Oracle Corporation

• Sun Microsystems

• Google

Which of the following is not a feature of Java?

• Platform independence

• Object-oriented

• Machine-dependent

• Secure

What is the file extension for a compiled Java file?

• .java

• .exe

• .class

• .py

Which of these is the correct syntax for the main method in Java?

• public static void main(String args[])

• public void main(String args[])

• static public void main(String args[])

• Both a and c

What does JVM stand for?

• Java Virtual Machine

• Java Version Manager

• Java Visual Model

• Java Virtual Module

What is bytecode in Java?

• A compiled Java code that can run on any platform

• A machine-level code for the operating system

• A runtime error code

• A debugging tool

Which of the following is a valid Java variable name?

• 1variable

• $myVariable

• my-variable

• int

How do you write a single-line comment in Java?

• /* comment */

• // comment

• # comment

Which keyword is used to create a class in Java?

• class

• new

• import

• public