and Chapter 12 (GUI with Swing) demonstrate this via inheritance and polymorphism . You extend behavior through subclasses without changing existing tested code.

Classes, objetos, herança, polimorfismo e interfaces explicados detalhadamente.

Sempre que um exemplo do livro não funcionar ou um exercício apresentar comportamento inesperado, use o depurador (debugger) da sua IDE (Eclipse, IntelliJ IDEA ou NetBeans) para inspecionar o valor das variáveis passo a passo. Atenção sobre o Download de PDFs na Internet

Para que eu possa te ajudar a guiar seus estudos de Java da melhor forma, me conte:

If accessing the Deitel book is difficult, you can build a strong Java foundation with these completely legal and free resources:

Explicação detalhada da modularização do Java SE 9.

Week 7 — Exception handling & I/O

| Chapter # | Chapter Title | Topic Covered | | :--- | :--- | :--- | | 1 | Introduction to Computers, the Internet and Java | Basics of computer hardware, software, the internet, and an overview of the Java language. | | 2 | Introduction to Java Applications; Input/Output and Operators | Your first Java program, using System.out.println() , variables, and basic operators. | | 3 | Introduction to Classes, Objects, Methods and Strings | The core of object-oriented programming: creating your own classes and objects. | | 4 | Control Statements: Part 1 | if , if...else , and while loops for controlling program flow. | | 5 | Control Statements: Part 2 | for loops, do...while loops, switch statements, and logical operators. | | 6 | Methods: A Deeper Look | Creating and using methods (functions), parameter passing, and scope of variables. | | 7 | Arrays and ArrayLists | Storing and manipulating collections of data. | | 8 | Classes and Objects: A Deeper Look | Advanced object-oriented concepts like this reference, garbage collection, and static members. | | 9 | Object-Oriented Programming: Inheritance | Creating new classes from existing ones, a fundamental OOP concept. | | 10 | Object-Oriented Programming: Polymorphism and Interfaces | Allowing objects of different classes to respond to the same method call in their own way. | | 11 | Exception Handling: A Deeper Look | Writing robust programs that can gracefully handle errors and unexpected events. | | 12 | JavaFX Graphical User Interfaces: Part 1 | Creating modern, visually appealing desktop applications using JavaFX. | | 13 | JavaFX GUI: Part 2 | More advanced GUI elements like ListView , TreeView , menus, and event handling. | | 14 | Strings, Characters and Regular Expressions | Powerful text processing and pattern matching. | | 15 | Files, Input/Output Streams, NIO and XML Serialization | Reading from and writing to files, and handling data in the XML format. | | 16 | Generic Collections | The Java Collections Framework, offering ready-to-use data structures like ArrayList , HashMap , and HashSet . | | 17 | Lambdas and Streams | Writing concise, functional-style code for bulk data operations (this chapter is a highlight of the Java 8 update). | | 18 | Recursion | The concept of a method calling itself to solve complex problems. | | 19 | Searching, Sorting and Big O | Algorithms for finding and ordering data and analyzing their efficiency. | | 20 | Generic Classes and Methods: A Deeper Look | Creating classes and methods that work with different data types in a type-safe way. | | 21 | Custom Generic Data Structures | Implementing your own data structures like linked lists, stacks, and queues. | | 22 | JavaFX Graphics and Multimedia | Adding images, animation, and audio to your applications. | | 23 | Concurrency | Writing programs that can perform multiple tasks simultaneously (multi-threading). | | 24 | Accessing Databases with JDBC | Connecting your Java programs to databases like MySQL or Oracle to store and retrieve persistent data. | | 25 | Introduction to JShell: Java 9's REPL | Using the JShell tool for interactive Java coding and experimentation. |

Você já possui de programação?

Cobertura detalhada de programação funcional, essencial para escrever código Java moderno e eficiente. A Metodologia "Código Vivo" (Live-Code)

Aprender a lidar com falhas é o que diferencia um programador amador de um profissional. A obra ensina a capturar e tratar erros em tempo de execução usando blocos try-catch-finally , garantindo que o software continue rodando mesmo sob condições adversas. 4. Estruturas de Dados, Coleções e Lambdas

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Cada capítulo cierra con ejercicios prácticos diseñados para poner a prueba tu lógica de programación.