Java Extended

Java Extended

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1. Deep Java Structure

Throughout the following lessons, you will become acquainted with the inner workings of Java and discover optimized methods to work with the language. This will involve exploring Java's operations at the computer level and adopting best practices for utilizing familiar concepts efficiently.

How does the compiler works?

Data Transfer in Java

Importing Libraries

Using Libraries In Our Code

Ternary Operator

Enhanced Switch Statement

2. Methods

You have already encountered methods, and now you will finally understand what they actually are, how to create your own methods, and how to work with them. You will learn to return the desired values from methods and significantly improve the quality and logic of your code.

What is a Method?

Creating Our Own Methods

Challenge: Names Starting with Letter B

Methods Practice

Method Overloading

Find Maximum and Minimum in Array Challenge

3. String Advanced

Get ready to dive into the world of String and discover more about its inner workings and methods. We'll explore the fascinating features that String offers, including the ability to customize the "toString" method, split strings into substrings, and utilize indexes for efficient data retrieval. Let's embark on this exciting journey to expand our knowledge of String manipulation!

Deeper into String

Uppercase Even Words Challenge

indexOf() method

Character Indices Sum Challenge

Substring First and Last Characters Challenge

4. Classes

In this section, you will learn how to create your own classes and their objects. You will be able to use methods of one class within another and establish relationships between them. Get ready to discover many interesting concepts and delve deeper into OOP programming!

Main Class and Method

Access modifiers

Cat Meowing Challenge

Team Constructor Challenge

Method toString()

Parrot Information Display Challenge

5. Classes Advanced

In this section, we will continue our study of classes. We will explore more advanced usage of class objects and learn more about access modifiers and how to use them effectively. We will also delve into getters and setters, as they are considered best practices in programming.

Complex Classes Usage

Pet and Owner Relationship Challenge

Private Modifier

Animal Information Display Challenge

Getter and Setter

Country Information Management Challenge

Course Content

Java Extended

Java Extended

1. Deep Java Structure

How does the compiler works?Data Transfer in Java Final Keyword Importing Libraries Using Libraries In Our Code Ternary Operator Enhanced Switch Statement

2. Methods

What is a Method?Creating Our Own Methods Challenge: Names Starting with Letter B Void Methods Practice Method Overloading Recursion Find Maximum and Minimum in Array Challenge

3. String Advanced

Deeper into String Method split()Uppercase Even Words Challenge indexOf() method Character Indices Sum Challenge trim() Method Substring First and Last Characters Challenge

4. Classes

What is class?Main Class and Method Access modifiers Class Creation Cat Meowing Challenge Constructor Team Constructor Challenge Method toString()Parrot Information Display Challenge

5. Classes Advanced

Complex Classes Usage Pet and Owner Relationship Challenge Private Modifier Animal Information Display Challenge Getter and Setter Country Information Management Challenge Summary

Substring First and Last Characters Challenge

Task

Your task is to write a method that returns the substring from the first occurrence of a character to its last occurrence. Then, you need to print the first and last letter of the obtained substring. Write two methods, where one will be used within the other.

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Section 3. Chapter 7

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Substring First and Last Characters Challenge

Task

Your task is to write a method that returns the substring from the first occurrence of a character to its last occurrence. Then, you need to print the first and last letter of the obtained substring. Write two methods, where one will be used within the other.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Thanks for your feedback!

Section 3. Chapter 7

toggle bottom row

Substring First and Last Characters Challenge

Task

Your task is to write a method that returns the substring from the first occurrence of a character to its last occurrence. Then, you need to print the first and last letter of the obtained substring. Write two methods, where one will be used within the other.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Thanks for your feedback!

Task

Your task is to write a method that returns the substring from the first occurrence of a character to its last occurrence. Then, you need to print the first and last letter of the obtained substring. Write two methods, where one will be used within the other.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Section 3. Chapter 7

Switch to desktop for real-world practiceContinue from where you are using one of the options below

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