Java 8

Java 8 Array Join – How to join arrays in java using stream API

1 month ago Lalit Bhagtani 0
Java 8 Array Join In this tutorial, we will learn about how to join (merge) two or more arrays in Java 8 using Stream API. Problem Statement Given an arrays of string data type, merge them together and print all of its values. To implement this, we will use Stream Class of Stream API. Result :-  Read More

Java 8 Arrays parallelPrefix method Example

2 years ago Lalit Bhagtani 0
In this tutorial, we will learn about Java 8 Arrays parallelPrefix method. parallelPrefix() method :- This method takes one array of Objects and one BinaryOperator as an argument. It apply passed BinaryOperator function on each element of the given array in parallel to update it. Let’s suppose, we have an array as Read More

Java 8 Stream peek method Example

2 years ago Lalit Bhagtani 0
In this tutorial, we will learn about Java 8 stream peek method. peek() method :- This method takes one Consumer as an argument, this consumer accepts one parameter T as an input argument and return one stream of parameter T as a return value. The main purpose of this method is to support debugging, When you want to see Read More

Java 8 Stream flatMap method Example

2 years ago Lalit Bhagtani 4
In this tutorial, we will learn about Java 8 stream flatMap method. flatMap() method :- This method takes one Function as an argument, this function accepts one parameter T as an input argument and return one stream of parameter R as a return value. When this function is applied on each element of this stream, it produces a Read More

Java 8 Stream map method Example

2 years ago Lalit Bhagtani 0
In this tutorial, we will learn about Java 8 stream map method. map() method :- This method takes one Function as an argument and returns a new stream consisting of the results generated by applying the passed function to all the elements of the stream. Syntax :-  <R> Stream<R> map ( Function<? super T, ? extends R> Read More

Java 8 Stream limit & skip method Example

2 years ago Lalit Bhagtani 0
In this tutorial, we will learn about Java 8 stream limit and skip method. limit() method :- This method takes one long ( N ) as an argument and return a stream of length N, after truncating it. Syntax :-  Stream<T> limit(long n) Reference :-  limit() method JavaDocs Problem Statement :- You have given a list of integers, remove all Read More

Java 8 Stream findAny & findFirst method Example

2 years ago Lalit Bhagtani 0
In this tutorial, we will learn about Java 8 stream findAny and findFirst method. Note :- To keep this tutorial short and concise, Employee Bean used in the example is not given here, you can check it here. findAny() method :- This method is called on Stream object, it returns an Optional object containing any one element of the Read More

Java 8 Convert List to Map using Streams API

2 years ago Lalit Bhagtani 0
Java 8 Convert List to Map :- In this tutorial, we will learn to convert list to map using Stream API. Note :- To keep this tutorial short and concise, Employee Bean used in the example is not given here, you can check it here. Problem Statement :- Given a list of Employee object convert it Read More

Java 8 filter method Example

2 years ago Lalit Bhagtani 0
In this tutorial, we will learn about Stream java 8 filter method. filter() method :- This method is called on Stream object, it takes one Predicate as an argument and returns a new stream consisting of the elements of the called stream that match the given predicate. Syntax :-  Stream<T> filter(Predicate<? super T> predicate) Reference :-  filter() method Read More