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Design Patterns and Best Practices in Java

You're reading from   Design Patterns and Best Practices in Java A comprehensive guide to building smart and reusable code in Java

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781786463593
Length 280 pages
Edition 1st Edition
Languages
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Authors (4):
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Kamalmeet Singh Kamalmeet Singh
Author Profile Icon Kamalmeet Singh
Kamalmeet Singh
Lucian-Paul Torje Lucian-Paul Torje
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Lucian-Paul Torje
Sumith Kumar Puri Sumith Kumar Puri
Author Profile Icon Sumith Kumar Puri
Sumith Kumar Puri
Adrian Ianculescu Adrian Ianculescu
Author Profile Icon Adrian Ianculescu
Adrian Ianculescu
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Toc

Table of Contents (11) Chapters Close

Preface 1. From Object-Oriented to Functional Programming FREE CHAPTER 2. Creational Patterns 3. Behavioral Patterns 4. Structural Patterns 5. Functional Patterns 6. Let's Get Reactive 7. Reactive Design Patterns 8. Trends in Application Architecture 9. Best Practices in Java 10. Other Books You May Enjoy

Best practices and new features of Java 10


Java 10 is the latest and current version for Java. Like previous versions, this too brings in some interesting feature additions to the language. Some features we will be able to interact with directly when we code, but there are other improvements that work behind the scenes, such as improved garbage collection, which improves the overall experience of users. In this section, we will discuss some of the important features added by Java 10.

Local variable type inference

This is probably the biggest change in Java 10 that will impact the way you used to code. Java is always known as a strict type language. Well, it still is, but with Java 10 you have the liberty of using var when declaring local variables instead of providing proper type.

Here is an example:

public static void main(String s[]) 
{
  var num = 10;
  var str = "This is a String";
  var dbl = 10.01;
  var lst = new ArrayList<Integer>();
  System.out.println("num:"+num);
  System.out...
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