Java 8 short interview questions and answers
What is Java 8? Java 8 is a version of the Java programming language that was released in 2014. It introduced several new features that aimed to improve the productivity of developers and enhance the performance of Java applications. What are the new features introduced in Java 8? Some of the new features introduced in Java 8 include lambda expressions, the Stream API, the Date and Time API, default methods in interfaces, and the Optional class. What is a lambda expression? A lambda expression is a new feature introduced in Java 8 that allows you to pass a block of code as an argument to a method. It is similar to an anonymous inner class, but with a more concise syntax. How does lambda expression work in Java 8? Lambda expressions work by creating a functional interface that defines a single abstract method. The lambda expression provides an implementation of that method, which can then be used as an argument to a method or passed around like any other object. What is a functional...
