Apresentação

The Java SE 8 Fundamentals training introduces you to object-oriented programming using the Java language. Through hands-on exercises, you’ll begin to build a baseline of knowledge to propel your career in development.

Learn To:

• Use Java programming language constructs to create a Java technology application.
• Use decision and looping constructs and methods to dictate program flow.
• Understand basic object oriented concepts such as inheritance, encapsulation, and abstraction.
• Use and manipulate object references, and to write simple error handling code.
• Use the new SE 8 java.time and java.time.format packages to format and print the local date and time.
• Specify a data modification by passing a predicate lambda expression to the Collections class.

By enrolling in this course, you’ll expand your knowledge of Java SE 8, while building your Java skill set. You’ll build a solid basis in the Java programming language upon which to base continued work and training.

Destinatários

• Application Developers
• System Administrator
• Project Manager
• Developer
• Technical Consultant
• Technical Administrator
• Team Leader
• Web Administrator

Objetivos

• Write Java code that uses variables, arrays, conditional and loop constructs
• Manipulate primitive numeric data and string data using Java operators
• Create Java classes and use object references
• Access the fields and methods of an object
• Manipulate text data using the methods of the String and StringBuilder classes
• Use casting without losing precision or causing errors
• Declare, override, and invoke methods
• Access and create static fields and methods
• Use classes from the java.time and java.time.format packages to format and print the local date and time
• Encapsulate a class using access modifiers and overloaded constructors
• Define and implement a simple class hierarchy
• Demonstrate polymorphism by implementing a Java Interface
• Use a Predicate Lambda expression as the argument to a method
• Handle a checked exception in a Java application

Pré-requisitos

Knowledge of the English language

Programa

What Is a Java Program?

• Running/testing a Java program
• Introduction to Computer Programs
• The Java Technology and Development Environment
• Key Features of the Java Language

Creating a Java Main Class

• Java Classes
• The main Method

Data In the Cart

• Introducing variables
• Working with Strings
• Working with numbers
• Manipulating numeric data

Managing Multiple Items

• Working with Conditions
• Working with a List of Items
• Processing a list of items

Describing Objects and Classes

• Working with Object References
• Introducing the Soccer League Use Case
• Defining fields and methods
• Doing more with Arrays
• Introducing the NetBeans IDE
• Declaring, Instantiating, and Initializing Objects
• Working with objects and classes

Manipulating and Formatting the Data in Your Program

• Using the StringBuilder Class
• Using the Java API Docs
• The remaining numeric operators
• Promoting and casting variables
• More about primitive data types
• Using the String Class

Creating and Using Methods

• How Arguments are Passed to a Method
• Static methods and variables
• Overloading a method
• Using methods
• Method arguments and return values

Using Encapsulation

• Access Control
• Encapsulation
• Overloading constructors

More on Conditionals

• Using Switch Statements
• More ways to use if/else constructs
• Using the NetBeans Debugger
• Relational and conditional operators

More on Arrays and Loops

• Parsing the args Array
• Two-dimensional Arrays
• The ArrayList class
• Nesting Loops
• Alternate Looping Constructs
• Working with Dates

Using Inheritance

• Introducing polymorphism
• Creating and extending abstract classes
• Working with subclasses and superclasses
• Overriding methods in the superclass
• Overview of inheritance

Using Interfaces

• Introducing Lambda expressions
• Using Interfaces
• Polymorphism in the JDK foundation classes
• Using the List Interface

Handling Exceptions

• Handling Exceptions: An overview
• Propagation of exceptions
• Catching and throwing exceptions
• Handling multiple exceptions and errors