This chapter introduces powerful Java 8 features like lambda expressions, streams, default methods, and the java.time API. You’ll learn how these features simplify coding, enhance performance, and make your code more concise and readable.
Java 8 provides several ready-to-use functional interfaces in the java.util.function package. These interfaces make it easy to write cleaner and reusable code. Let’s start with one of the most commonly used: Predicate<T> A Predicate is a functional interface that represents a single argument function that returns a boolean result. It is commonly used for evaluating … Read more
A functional interface in Java is a special type of interface that has only one abstract method, meaning there is only one method to implement. It can also have default or static methods, but only one method must be abstract. Java 8 also introduced a new annotation called @FunctionalInterface that you can use to mark your … Read more
Java 8 introduced several powerful features, and one of the most important among them is Lambda Expressions. If you’re new to programming or coming from older Java versions, lambda expressions might seem strange at first, but they make your code shorter, cleaner, and easier to understand. What is a Lambda Expression? A lambda expression is … Read more