Java Quiz

What does JVM stand for?

• Java Verification Machine
• Java Virtual Machine
• Java Value Memory
• Just Virtual Machine

In Java, the entry point of a program is the ____

• main class
• main method
• main variable
• main function

In Java, what does the public keyword indicate?

• The function can be accessed by any other code.
• The function is private.
• The function is only accessible within the same class.
• The function returns a public value.

The process of compiling a Java program involves which steps?

• Source code to bytecode
• Bytecode to machine code
• Both A and B
• Neither A nor B

Which keyword is used to create a new object in Java?

• create
• new
• make
• instantiate

What is the output of the following Java code: System.out.println(10 + 2 + "Hello");?

• 12Hello
• Error
• Hello12
• 10+2Hello

How do you declare an integer variable x with a value of 5 in Java?

• int x = 5;
• x = 5;
• var x = 5;
• int x == 5;

What does the static keyword mean in the main method declaration?

• The method can be called without creating an object.
• The method can be overridden.
• The method is dynamic.
• The method is protected.

What are the two main differences between Java and Python?

• Syntax and typing
• Libraries and community
• Performance and cost
• Speed and popularity

What is the output of the following Java code: System.out.println("Hello, World!");?

• Hello, World!
• Error
• "Hello, World!"
• Hello World!