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This presentation delves into Java 15 concepts, focusing on static vs non-static design patterns and the Singleton pattern in software engineering. Explore the implementation and advantages of Singleton pattern to ensure classes have only one instance. Dive into small, well-defined aspects of computer program functionality and code writing. Uncover the significance of global access and unique instances within your Java applications.
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Presentation Transcript
Agenda Agenda Static vs non static Design Pattern Singleton
Static Static Static = Static = Object Object
Design Pattern Design Pattern In software engineering, a design pattern describes a relatively small, well- defined aspect (i.e. functionality) of a computer program in terms of how to write the code.
Singleton Pattern Singleton Pattern Ensure a class has only one instance, and provide a global point of access to it.
Singleton Pattern Singleton Pattern public public class private private static private private Singleton() {} class Singleton Singleton { static volatile volatile Singleton instance = null null; public public static if if (instance == null synchronized synchronized(Singleton.class) { if if (instance == null instance = new } } } return return instance; } } static Singleton getInstance() { null) { null) { new Singleton();