Category: java8 interview questions

Lambdas in Java are compiled into anonymous inner classes. The Java compiler generates an anonymous inner class for each lambda expression that you define in your code. This anonymous inner…

All of the below methods produce the same result of joining the elements of the List into a single String with space as a delimiter. Using Collectors.joining: In Java, you…

In the context of Java 8 streams, a pipeline refers to a sequence of operations that are performed on a stream. The pipeline is created by chaining together intermediate operations,…

In Java 8, streams use a technique called “lazy evaluation” to process data. Lazy evaluation means that a stream operation is not executed until it is absolutely necessary. This can…

In this post, we will see Java8 Streams Interview questions. What is the difference between a Stream and a Collection in Java 8 Stream represents a sequence of elements and…

In this post, we will see how to convert list of Users to employees in java8 way. In the following examples, we can use the below approaches: Using conversion function…

Lambda expressions are a concise way of representing anonymous functions in Java 8 and later. A lambda is an anonymous function They can be used to pass behavior as a…

In this post, we will learn on java8 method referenced exampls: Method references in Java 8 are compact, easy-to-read lambda expressions which will refer to an existing method. They can…

In this tutorial, we will learn about using comparators with Lamda. Comparators are extensively used in collections to sort objects link users, employees, orders etc. In Java 8, comparators can…

In this post, we will see the java is pure functional programming language or not. Java is not a purely functional programming language support functional programming concepts with help of…