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Overview

This course teaches programming in the Java language -- i.e. the Java Standard Edition platform. It is intended for students with previous Java experience or training, who already know the fundamentals of the Java architecture and basic procedural programming. This course provides in-depth coverage of object-oriented concepts and how to apply them to Java software design and development. We then move from these basic skills into key parts of the Java SE Core API, including collections and logging, and introduces features of functional programming, new to the language as of Java 8, including functional interfaces, lambda expressions, and streams.

This revision of the course targets the Java 8 language and Core API. See our course catalog for training explicitly geared to earlier versions of Java, going back as far as J2SE 1.4.2. To read more about different versions of Java and for help deciding on which version of this course to use, see "Java Versions and Terminology Demystified".)

Students come to Java from a wide range of backgrounds, and this course is designed to be as flexible as possible over the upper end of that range. Specifically:

  • Experienced C and C++ programmers will find this course a very good fit and if anything will find that they complete it in a little less than the full five-day timeline.
  • Those with experience in languages less like Java, such as Visual Basic, ASP and other Web-scripting languages, and other pseudo-object-oriented languages may need more time in the early going, and this course covers its introductory topics in good depth and offers many optional and "challenge" labs to support this.
  • Less experienced programmers or those coming from non-structured languages -- such as COBOL, PL/1, or 4GL tools -- will probably not cover the whole course in a week, and may want to pursue an abbreviated version at a slower pace. This too is quite feasible, but this audience may also want to consider our Course 102, "Introduction to Java Programming," for a more relaxed pace through the early material.
Goals
  1. Chiefly, learn to program effectively in the Java language.
  2. Understand Java as a purely object-oriented language, and implement software as systems of classes.
  3. Implement and use inheritance and polymorphism, including interfaces and abstract classes.
  4. Design appropriate exception handling into Java methods, and use the logging API appropriately.
  5. Use Java as a functional language, making appropriate choices of tools including inner classes, functional interfaces, method references, and lambda expressions.
  6. Use the Stream API for efficient processing of data sets.
Outline
  1. Review of Java Fundamentals
    1. The Java Architecture
    2. Forms for Java Software
    3. Three Platforms
    4. The Java Language
    5. Numeric Types
    6. Characters and Booleans
    7. Enumerations
    8. Object References
    9. Strings and Arrays
    10. Conditional Constructs
    11. Looping Constructs
    12. Varargs
  2. Object-Oriented Software
    1. Complex Systems
    2. Abstraction
    3. Classes and Objects
    4. Responsibilities and Collaborators
    5. UML
    6. Relationships
    7. Visibility
  3. Classes and Objects
    1. Java Classes
    2. Constructors and Garbage Collection
    3. Naming Conventions and JavaBeans
    4. Relationships Between Classes
    5. Using this
    6. Visibility
    7. Packages and Imports
    8. Overloading Methods and Constructors
    9. JARs
  4. Inheritance and Polymorphism in Java
    1. UML Specialization
    2. Extending Classes
    3. Using Derived Classes
    4. Type Identification
    5. Compile-Time and Run-Time Type
    6. Polymorphism
    7. Overriding Methods
    8. The @Override Annotation
    9. Superclass Reference
  5. Using Classes Effectively
    1. Class Loading
    2. Static Members
    3. Statics and Non-Statics
    4. Static Initializers
    5. Static Imports
    6. Prohibiting Inheritance
    7. Costs of Object Creation
    8. Strings and StringBuffers
    9. Controlling Object Creation
    10. Understanding Enumerated Types
    11. Stateful and Behavioral Enumerations
  6. Interfaces and Abstract Classes
    1. Separating Interface and Implementation
    2. UML Interfaces and Realization
    3. Defining Interfaces
    4. Implementing and Extending Interfaces
    5. Abstract Classes
  7. Collections
    1. Dynamic Collections vs. Arrays
    2. UML Parameterized Type
    3. Generics
    4. Using Generics
    5. The Collections API
    6. The Collection<E> and List<E> Interfaces
    7. The ArrayList<E> and LinkedList<E> Classes
    8. Looping Over Collections: Iterable<E>
    9. Collecting Primitive Values: Auto-Boxing
    10. Using Wildcards with Generic Types
    11. Iterators and the Iterator<E> Interface
    12. Maps and the Map<K,V> Interface
    13. Sorted Collections
    14. The SortedSet<E> and SortedMap<K,V> Interfaces
    15. The Collections Class Utility
    16. Algorithms
    17. Conversion Utilities
  8. Exception Handling and Logging
    1. Reporting and Trapping Errors
    2. Exception Handling
    3. Throwing Exceptions
    4. Declaring Exceptions per Method
    5. Catching Exceptions
    6. The finally Block
    7. Catch-and-Release
    8. Chaining Exceptions
    9. try-with-resources
    10. Logging
    11. The Java SE Logging API
    12. Loggers
    13. Logging Levels
    14. Handlers
    15. Configuration
    16. Best Practices
  9. Nested Classes
    1. Nested Classes
    2. Static Classes
    3. Inner Classes
    4. Relationship with the Outer Object
    5. Local Classes
    6. Enclosing Scope
    7. Anonymous Classes
  10. Functional Programming
    1. Passing Behavior as a Parameter
    2. Inner Classes
    3. Functional Interfaces
    4. Built-In Functional Interfaces
    5. Lambda Expressions
    6. Scope and Visibility
    7. Deferred Execution
    8. Method References
    9. Creational Methods
    10. Designing for Functional Programming
    11. Default Methods
  11. Streams
    1. The Stream Processing Model
    2. Streams
    3. Relationship to Collections
    4. Advantages and Disadvantages
    5. Iterating, Filtering, and Mapping
    6. Primitive-Type Streams
    7. Aggregate Functions and Statistics
    8. Sorting
    9. Generating, Limiting, and Reducing
    10. Finding and Matching
    11. Grouping
    12. Flattening and Traversing
    13. Sequential vs. Parallel Processing
Class Materials

Each student in our Live Online and our Onsite classes receives a comprehensive set of materials, including course notes and all the class examples.

Class Prerequisites

Experience in the following is required for this Java Fundamentals class:

  • Students must be able to write, compile, test, and debug simple Java programs, using structured programming techniques, strong data types, and flow-control constructs such as conditionals and loops.
Prerequisite Courses

Courses that can help you meet these prerequisites:

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