murillocg / oca-study

Repositório para registrar o estudo para certificação

Preparativo para certificação Java

Informações sobre a prova

• Nome: 1Z0-808: Java SE 8 Programmer I
• Preço de USD 140.00
• Duração de 150 minutos
• 80 questões
• Média de 65%
• Chegar 15 minutos antes

Simulado

Um dos sites mais recomendados que fornece simulados com preço bem acessível é o Enthuware.

IDE para exercícios

É altamente recomendável utilizar um editor de texto apenas com destacador de sintaxe e o compilador java pela linha de comando via javac. Assim será possível aprimorar a habilidade de detectar pequenos problemas de código, que em muitos casos são o foco do exame.

Cronograma de treinamento

• Janeiro 1–Janeiro 11 Read Introduction, Appendix B, and Chapter 1
• Janeiro 12–Janeiro 14 Answer Chapter 1 Review Questions
• Janeiro 15–Janeiro 25 Read Chapter 2
• Janeiro 26–Janeiro 28 Answer Chapter 2 Review Questions
• Janeiro 29–Fevereiro 8 Read Chapter 3
• Fevereiro 9–Fevereiro 11 Answer Chapter 3 Review Questions
• Fevereiro 12–Fevereiro 22 Read Chapter 4
• Fevereiro 23–Fevereiro 25 Answer Chapter 4 Review Questions
• Fevereiro 26–Março 8 Read Chapter 5
• Março 9–Março 11 Answer Chapter 5 Review Questions
• Março 12–Março 22 Read Chapter 6
• Março 23–Março 2 Answer Chapter 6 Review Questions
• Março 26–Abril 2 Take practice exams and practice with flashcards
• Abril 3 Take exam

Tópicos abordados

1. Java Basics

   • Define the scope of variables
   • Define the structure of a Java class
   • Create executable Java applications with a main method
   • Import other Java packages to make them accessible in your code
   • Develop code that uses wrapper classes such as Boolean, Double, and Integer

2. Working With Java Data Types

   • Declare and initialize variables
   • Differentiate between object reference variables and primitive variables
   • Read or write to object fields
   • Explain an Object’s Lifecycle (creation, “dereference” and garbage collection)
   • Call methods on objects
   • Manipulate data using the StringBuilder class and its methods
   • Creating and manipulating Strings

3. Using Operators and Decision Constructs

   • Use Java operators
   • Use parenthesis to override operator precedence
   • Test equality between Strings and other objects using == and equals()
   • Create if and if/else constructs
   • Use a switch statement

4. Creating and Using Arrays

   • Declare, instantiate, initialize and use a one-dimensional array
   • Declare, instantiate, initialize and use multi-dimensional array
   • Declare and use an ArrayList

5. Using Loop Constructs

   • Create and use while loops
   • Create and use for loops including the enhanced for loop
   • Create and use do/while loops
   • Compare loop constructs
   • Use break and continue

6. Working with Methods and Encapsulation

   • Create methods with arguments and return values
   • Apply the static keyword to methods and fields
   • Create an overloaded method
   • Differentiate between default and user defined constructors
   • Create and overload constructors
   • Apply access modifiers
   • Apply encapsulation principles to a class
   • Determine the effect upon object references and primitive values when they are passed into methods that change the values

7. Working with Inheritance

   • Implement inheritance
   • Develop code that demonstrates the use of polymorphism
   • Differentiate between the type of a reference and the type of an object
   • Determine when casting is necessary
   • Use super and this to access objects and constructors
   • Use abstract classes and interfaces

8. Handling Exceptions

   • Differentiate among checked exceptions, RuntimeExceptions and Errors
   • Create a try-catch block and determine how exceptions alter normal program flow
   • Describe what Exceptions are used for in Java
   • Invoke a method that throws an exception
   • Recognize common exception classes and categories

9. Working with Selected classes from the Java API

   • Manipulate data using the StringBuilder class and its methods
   • Create and manipulate Strings
   • Create and manipulate calendar data using classes from java.time.LocalDateTime, java.time.LocalDate, java.time.LocalTime, java.time.format.DateTimeFormatter, java.time.Period
   • Declare and use an ArrayList of a given type
   • Write a simple Lambda expression that consumes a Lambda Predicate expression