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Java Syntax Basics

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Questions and Answers

What is the purpose of the main() method in Java?

It is used to print text to the screen

It is optional and not necessary in every Java program

It is used to define additional classes

It is required and contains the code that will be executed (correct)

What is the naming convention for a Java class?

It should contain a special character

It should start with an uppercase letter (correct)

It should start with a lowercase letter

It should be all lowercase

What is the role of System.out.println() in Java?

To execute code outside the main() method

To define a new class

To create a new file

To print a line of text to the screen (correct)

What must the name of a Java file match?

<p>The name of the class inside it</p> Signup and view all the answers

What does it mean that Java is case-sensitive?

<p>Uppercase and lowercase letters have different meanings</p> Signup and view all the answers

Study Notes

Java Basics

The main() method is the entry point for any Java program, where execution of the program begins.
In Java, a class name follows the PascalCase convention, meaning the first letter of each word is capitalized, with no underscores or spaces.
System.out.println() is a statement used to print output to the console, followed by a newline character.
In Java, the name of a Java file must match the name of the public class it contains, and the file extension must be .java.
Java is case-sensitive, meaning that the programming language treats uppercase and lowercase letters as distinct characters, making Hello different from hello.

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Description

Test your knowledge of Java syntax with this quiz. From understanding the structure of a Java file to the rules of naming classes and variables, this quiz covers the fundamental aspects of Java syntax.