Java Basics(DAY 1 - 26.05.2025) FN

What is a correct syntax to output "Hello World" in Java?

• System.out.println("Hello World");

• Console.WriteLine("Hello World");

• echo("Hello World");

• print ("Hello World");

How do you insert COMMENTS in Java code?

• // This is a comment

• # This is a comment

• /* This is a comment

Which data type is used to create a variable that should store text?

• String

• string

• Txt

• myString

How do you create a variable with the numeric value 5?

• x = 5;

• num x = 5

• float x = 5;

• int x = 5;

The value of a string variable can be surrounded by single quotes.

• False

• True

Which operator can be used to compare two values?

• ==

• =

• <>

• ><

How do you create a method in Java?

• methodName.

• methodName[]

• methodName()

• (methodName)

Which keyword is used to create a class in Java?

• className

• class

• class()

• MyClass

What is the correct way to create an object called myObj of MyClass?

• new myObj = MyClass();

• class MyClass = new myObj();

• class myObj = new MyClass();

• MyClass myObj = new MyClass();

Why do we need .class files in JAVA

• For Execution

• For Compilation

Answer explanation

.class file contains the Java bytecode and has a ". class" extension. Java Virtual Machine (JVM) interprets and converts them into machine code and given them for Execution.