Java Syntax Basics

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Questions and Answers

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

It is required and contains the code that will be executed

What is the naming convention for a Java class?

It should start with an uppercase letter

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

To print a line of text to the screen

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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