Training: Modeling Entities in Java
duration: 9 hours |
Language: English (US) |
access duration: 90 days |
Details
This course will teach you to work with modelling entities in Java. You’ll start by exploring Java classes, which are a core concept in Java's object-oriented programming model. Next, you’ll learn to create and define custom classes, which are key to harnessing the power of object-oriented programming (OOP). You’ll also learn to model complex entities, which involves defining and invoking methods and constructors. Finally, you’ll explore working with static members, argument passing, and object base class methods.
Result
After completing this course, you'll be able to define custom classes to serve as types in your programs, you will have the skills to use important code re-use mechanisms such as method overloading and constructor chaining in java. Moreover, you'll be able to model state in classes using both static and instance variables, write methods to avoid unexpected changes in input arguments, and adhere to the hashCode contract so that objects function as expected when placed in common Java containers.
Prerequisites
You have knowledge of Java.
Target audience
Software Developer, Web Developer
Content
Modeling Entities in Java
Modeling Entities in Java: Getting Started with Classes & Objects
Classes are a core concept in Java's object-oriented programming
- model. The class is an abstract type and an object is an instance
- of that type. Object oriented Java programming allows classes to be
- instantiated and inherit features from the Java.lang.object. You
- will learn about member variables, fields, functions, and methods.
- Learn to instantiate objects of built-in Java classes and invoke
- methods on them.
Modeling Entities in Java: Defining Custom Classes & Objects
Modeling entities in the real world require you to create custom
- classes to add to the various built-in classes already provided by
- Java. Creating such custom classes is key to harnessing the power
- of object-oriented programming (OOP) in Java. This course focuses
- on defining such custom classes and then creating objects. Make the
- most of this course by exploring custom classes, the use of
- constructors, and modifiers such as private and public. You will
- also learn the idiomatic Java method of working with getter and
- setter methods as well as conventions in naming, input parameters,
- and return types from such methods. After completing this course,
- you'll not only be able to define custom classes to serve as types
- in your programs but also instantiate and use objects of these
- custom classes.
Modeling Entities in Java: Methods, Method Overloading, & Constructors
Modeling complex entities involves defining and invoking methods
- and constructors. Furthermore, defining robust and reusable code
- requires learning important mechanisms for code re-uses, such as
- constructor chaining and method overloading. Use this course to
- delve into these important techniques that are required to write
- clean and maintainable Java code. Learn how to define methods with
- the same name but different signatures (i.e., different order and
- type of input arguments), invoke overloaded methods, and add
- constructors to a class. This course will also enable you to use
- the 'this' keyword to invoke multiple constructors, also known as
- constructor chaining. By the time you are done with this course,
- you will have the skills to use important code re-use mechanisms
- such as method overloading and constructor chaining in java.
Modeling Entities in Java: Static Members, Arguments, & Method Overriding
The best way to avoid mysterious bugs while running your Java
- code is to be adept at working with static members, argument
- passing, and object base class methods. Use this course to master
- these subtleties: the difference between static and instance
- variables and methods, the hashCode contract, and how pass-by-value
- and pass-by-reference semantics play out with argument passing in
- Java. By the end of this course, you'll be able to model state in
- classes using both static and instance variables, write methods to
- avoid unexpected changes in input arguments, and adhere to the
- hashCode contract so that objects function as expected when placed
- in common Java containers.
Course options
We offer several optional training products to enhance your learning experience. If you are planning to use our training course in preperation for an official exam then whe highly recommend using these optional training products to ensure an optimal learning experience. Sometimes there is only a practice exam or/and practice lab available.
Optional practice exam (trial exam)
To supplement this training course you may add a special practice exam. This practice exam comprises a number of trial exams which are very similar to the real exam, both in terms of form and content. This is the ultimate way to test whether you are ready for the exam.
Optional practice lab
To supplement this training course you may add a special practice lab. You perform the tasks on real hardware and/or software applicable to your Lab. The labs are fully hosted in our cloud. The only thing you need to use our practice labs is a web browser. In the LiveLab environment you will find exercises which you can start immediately. The lab enviromentconsist of complete networks containing for example, clients, servers,etc. This is the ultimate way to gain extensive hands-on experience.
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What is included?
| Certificate of participation | Yes |
| Monitor Progress | Yes |
| Award Winning E-learning | Yes |
| Mobile ready | Yes |
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