Java OnRamp: Java and OO Essentials for COBOL / Mainframe Developers - Blended Program
Course Objectives
Students who attend Ramped Java 7 and OO Essentials forCOBOL and Mainframe Developers will leave this course armed with the required skills to develop solid object-oriented applications written in Java, using sound coding techniques and best coding practices. Geared for developers with prior development experience in languages such as COBOL, PowerBuilder, Visual Basic or other mainframe or 4GL/non-OO languages, this course will teach students everything they need to become productive in essential Java programming. Special emphasis is placed on object-oriented concepts and practices throughout the entire course.
Working within an engaging, hands-on learning environment, attendees will learn to:
- Understand what OO programming is and what the advantages of OO are in today's world
- Work with objects, classes, and OO implementations
- Understand the basic concepts of OO such as encapsulation, inheritance, polymorphism, and abstraction
- Understand not only the fundamentals of the Java language, but also it’s importance, uses, strengths and weaknesses
- Understand the basics of the Java language and how it relates to OO programming and the Object Model
- Learn to use Java exception handling and logging features
- Understand and use classes, inheritance and polymorphism
- Understand and use collections, generics, streams
- Use the JDBC API for database access
- Use Java for networking and communication applications
- Take advantage of the Java tooling that is available with the programming environment being used in the class
Specific Java 8 features that are covered in the course include:
- The new Date/Time API
- Lambda Expressions
- Using the Stream API
Course Prerequisites
This is an introductory- level course, designed for experienced developers who wish to get up and running with Java, or who need to reinforce sound object oriented Java coding practices.
Course Agenda
Java On-Ramp™ Sessions
• Java as a programming language
• Basic of Java syntax – Hello World!
• Running a Java application in a JVM
• An object orientation
• Relating object-oriented programming to other options
• Working with an IDE and its Java "power tools"
Session: Java 8: A First Look
Lesson: Using the JDK
• Setting Up Environment
• Locating Class Files
• Compiling Package Classes
• Source and Class Files
• Java Applications
Lesson: The Eclipse Paradigm
• Workbench and Workspace
• Views
• Editors
• Perspectives
• Projects
Lesson: Java Code and Debug Tooling
• Java Editing Assistance
• The Debug Perspective
• Breakpoints and the Debug View
• Debug Mode
• Refactoring Overview
Lesson: Writing a Simple Class
• Classes in Java™
• Class Modifiers and Types
• Class Instance Variables
• Primitives vs. Object References
• Creating Objects
Lesson: The Java™ Platform
• Java Platforms
• Lifecycle of a Java Program
• Responsibilities of JVM
• Documentation and Code Reuse
Session OO Concepts
Lesson Object-Oriented Programming
• Real-World Objects
• Classes and Objects
• Object Behavior
• Methods and Messages
Lesson Inheritance, Abstraction, and Polymorphism
• Encapsulation
• Inheritance
• Method Overriding
• Polymorphism
Session Getting Started with Java™
Lesson Adding Methods to the Class
• Passing Parameters Into Methods
• Returning a Value From a Method
• Overloaded Methods
• Constructors
• Optimizing Constructor Usage
Lesson Language Statements
• Operators
• Comparison and Logical Operators
• Looping
• Continue and Break Statements
• The switch Statement
Lesson Using Strings
• Strings
• String Methods
• String Equality
• StringBuffer
• StringBuilder
Lesson Specializing in a Subclass
• Extending a Class
• Casting
• The Object Class
• Default Constructor
• Implicit Constructor Chaining
Session Essential Java™ Programming
Lesson Fields and Variables
• Instance vs. Local Variables: Usage Differences
• Data Types
• Default Values
• Block Scoping Rules
• Final and Static Fields
• Static Methods
Lesson Using Arrays
• Arrays
• Accessing the Array
• Multidimensional Arrays
• Copying Arrays
Lesson Java™ Packages and Visibility
• Class Location of Packages
• The Package Keyword
• Importing Classes
• Executing Programs
• Java Naming Conventions
Session Advanced Java™ Programming
Lesson Inheritance and Polymorphism
• Polymorphism: The Subclasses
• Upcasting vs. Downcasting
• Calling Superclass Methods From Subclass
• The final Keyword
Lesson Interfaces and Abstract Classes
• Separating Capability from Implementation
• Abstract Classes
• Implementing an Interface
• Abstract Classes vs. Interfaces
Lesson Exceptions
• Exception Architecture
• Java 7 - Handling Multiple Exceptions
• Java 7 – Automatic Closure of Resources
• Creating Your Own Exceptions
• Throwing Exceptions
• Checked vs. Unchecked Exceptions
Session Java™ Developer's Toolbox
Lesson Utility Classes
• Wrapper Classes
• The Number Class
• Random Numbers
• The Date Class
Lesson The new Date/Time API
• Introduce the new Date/Time API
• LocalDate, LocalDateTime, etc.
• Formatting Dates
• Working with time zones
• Manipulate date/time values
Lesson Collections
• Characterizing Collections
• Collection Interface Hierarchy
• Generics and Collections
• Java 7 – The Diamond Operator
• Iterators
• The Set Interface
• The List Interface
• Queue Interface
• Deque Interface
• Map Interfaces
• Using the Right Collection
• Collections and Multithreading
Lesson Generics
• Generics and Subtyping
• Bounded Wildcards
• Generic Methods
• Legacy Calls To Generics
• When Generics Should Be Used
Session Java Lambda Expressions and Streams
Lesson Introduction to Lambda Expressions
• Functional vs OO Programming
• Anonymous Inner-classes
• Lambda Expression Syntax
• Functional Interfaces
• Method references
• Constructor references
Lesson Streams
• Processing Collections of data
• The Stream interface
• Reduction and Parallelism
• Filtering collection data
• Sorting Collection data
• Map collection data
• Find elements in Stream
• Numeric Streams
• Create infinite Streams
• Sources for using Streams
Lesson Collectors
• Creating Collections from a Stream
• Group elements in the Stream
• Multi-level grouping of elements
• Partitioning Streams
Session Java ™ Application Development
Lesson Introduction to Annotations
• Annotations Overview
• Working with Java Annotations
Lesson JDBC ™
• Connecting to the Database
• Statement and PreparedStatement
• ResultSet
• Executing Inserts, Updates, and Deletes
• Controlling Transactions and Concurrency
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