Rui Pereira

Introduction If Statement Equality Operators Conditional Operators Else Not Switch Statement Wrapping up References Introduction This is where the fun part begins! With the previous tutorials we have and idea of the core building blocks, now we start looking at the implementation of flow control, or logic if you will....

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Introduction Arrays Lets talk Arrays Accessing values of an Array Setting values of elements Initing with values What is the size of this array? Accessing using invalid index References Introduction At this point we have all the knowledge we need to create Classes, methods, variables, instances of Objects, call methods,...

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Introduction Packages Overloading this Keyword Continuing the code Calling methods from Anywhere Access Modifiers Public Private Package-Protected Protected Using Access Modifiers What about Constructors? What about Methods Level Scope Variables? Many objects Introduction In this tutorial we'll finally look at Packages to organize our code, and also at Access Modifiers...

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Introduction Variables Scope Classes and Objects Creating methods Setter Methods Getter Methods Constructors Exercise What else about methods? Introduction In the previous tutorials we dabbed into Primitive variables, did a few operations with them, nothing special or exciting. In this tutorial however, we'll now look at Objects and Reference Variables,...

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Introduction My First Variable Primitive Variables Some operator action and Strings Introduction On the previous tutorial we made a really simple program, with just one Class and one Method. There was no data stored, no calculations done, etc. In this tutorial we will look into storing data and doing something...

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Introduction Hello World Java and Javac Looking at the Code A Class A Method Exercises Introduction To start this great journey, we'll use the typical "Hello World" program. Yes, it is not very exciting, not very motivational, but before we start running we must learn how to walk. At this...

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Introduction Object-Oriented Programming (OO) Language Platform Development Kit IDEs Next Steps Introduction Java is not a difficult language to learn, even if you are a complete beginner. There are a few concept however that we must get out of the way in order to get started. In this tutorial we...

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