Learn how to use lazy instantiation and eager instantiation in your Java programs. Which approach is better? It depends on the scenario. When instantiating Java objects that are expensive in terms of ...

Instance main methods and unnamed classes, coming in Java 21, will forever change how developers learn Java and bootstrap applications. Why? They provide a simple, clean and concise syntax to launch ...

Method references are a shorthand way to write lambda expressions that call a single method. Rather than implementing a method in a functional interface, a method reference simply points to an ...

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