Download PDF by Adam L. Davis: Modern Programming Made Easy: Using Java, Scala, Groovy, and

By Adam L. Davis

Get up and working quick with the fundamentals of programming utilizing Java as an instance language. This brief ebook will get you considering like a programmer in a simple and exciting approach. Modern Programming Made effortless teaches you simple coding rules, together with operating with lists, units, arrays, and maps; coding within the object-oriented type; and writing an online software.

This publication is language agnostic, yet will commonly disguise Java, with a few references to Groovy, Scala, and JavaScript to provide you a huge variety of examples to think about. you'll get a flavor of what glossy programming has to supply and set your self up for extra learn and development on your selected language.

What you will Learn

  • Code utilizing the practical programming style
  • Build and try out your code
  • Read and write from files
  • Design person interfaces
  • Deploy your app within the cloud

Who This ebook Is For<
Anyone who desires to the right way to code. no matter if you are a pupil, a instructor, searching for a occupation swap, or simply a hobbyist, this publication is made for you.

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Additional resources for Modern Programming Made Easy: Using Java, Scala, Groovy, and JavaScript

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7 Exercises Try out methods After you’ve created the Main class, try adding some methods to it. Try calling methods from other methods and see what happens. util package. *; Then go back to Chapter 5 and try out some of the code there. 8 Summary This chapter explained the concept of methods and how they should be used. We also put together everything you’ve learned up to this point and made a small Java application. 1 The term polymorphism refers to a principle in biology according to which an organism or species can have many different forms or stages.

Encapsulation is a big word that just means “a class should expose as little as possible to get the job done” (some things are meant to be private). This helps reduce complexity of code and, therefore, makes it easier to understand and think about. ” • Private: Only this class can see it. • Protected: Only this class and its descendants can see it. • Public: Everyone can see it. There’s also “default” protection (absent of a keyword), which limits use to any class in the same package. 38 Chapter 8 ■ Inheritance This is why classes tend to be declared public, because, otherwise, their usage would be very limited.

For example: 1 2 3 if (vampire) { // vampire is a boolean useWoodenStake(); } Curly brackets ({}) define a block of code (in Java, Scala, Groovy, and JavaScript). To define what should happen if your condition is false, you use the else keyword. 1 2 3 4 5 if (vampire) { useWoodenStake(); } else { useAxe(); } Actually, this can be shortened, because we only have one statement per condition. 1 2 if (vampire) useWoodenStake(); else useAxe(); But it’s generally better to use the curly-bracket style in Java.

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