Learn Java from Scratch - A Beginner's Guide - Step 02 - Introduction to Java Methods - Exercises and Puzzles

This video tutorial covers the creation and execution of methods in Java. It begins with a simple exercise to print 'Hello World' three times, followed by a more complex task of creating a method that prints four statements. The importance of naming methods accurately is emphasized, along with the rules and conventions for naming methods and variables in Java, such as avoiding keywords and using camel case. The tutorial also includes a discussion on common errors and how to avoid them.

What is the primary task of the method discussed in the first section?

• To print 'Hello World' thrice

• To print 'Hello World' four times

• To print 'Hello World' once

• To print 'Hello World' twice

Which of the following is NOT one of the four statements printed by the method in the second section?

• I am excited to learn Java

• I have created my first loop

• I have created my first class

• I have created my first variable

Why is it important to choose a meaningful name for a method?

• It is required by the Java compiler

• It helps in understanding what the method does

• It reduces the size of the code

• It makes the code run faster

What happens if you try to execute a method without brackets?

• An error occurs because it searches for a variable

• The method executes successfully

• The method runs but with default parameters

• The method prints a warning message

Which of the following is NOT allowed in method names?

• Including underscores

• Starting with a number

• Using camel case

• Starting with a letter

Why can't 'void' be used as a method name?

• It is a reserved keyword

• It is too short

• It is not descriptive

• It is a common method name

What is the preferred naming convention for methods in Java?

• Kebab case

• Camel case

• Snake case

• Pascal case