Category: java8 streams examples

Map: If you want to transform into single value then use Map The map method is used to apply a function to each element in a stream, and return a…

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 this post, we will learn about java8 method reference operator in Java Method Reference (:: Operator) “::” operator in Java 8 is known as the Method Reference operator Method…

In this post, we will learn various ways of converting input stream to String In this example, we will see that InputStream will be converted to String using java8 streams…

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…

Functional Interface is Single Abstract Method(SAM), so it used to target for a lambda expression or method reference. A functional interface in Java is an interface that has exactly one…