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Last updated on 2023/09/22 to include changes up to JDK 21.
This article is also available in Chinese by Alex Tan.
Since the release of version 8, up to ver… Read More
Posted on Sep 5 Vamos começar com um exemplo?No exemplo acima, temos um código que descreve com detalhes o que deve ser feito para chegarmos em um resultado (o… Read More
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Machen Sie sich… Read More
Understanding Java 8’s features is a crucial skill because, by the beginning of 2021, more than 60% of professional developers will still be u… Read More
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Introduction to Java 8 reduce
Java 8 reduce is a terminal operation that aggregates the stream into primitive types of types. Java 8 provides stream API, which contains a set of predefined r… Read More
Here is a simple program that prints characters from a to Zpublic class DisplayAlphabets { public static void main(String[] args) { for (char c… Read More
Hello guys, if you want to learn about IntStream in Java 8 and looking for a simple tutorial and example then you have come to the right place. Earlier, I have shared 10 examples of Lambda e… Read More
The common technical interview question in java is to count the occurrence of a specific word in the string but what if the interviewer asks to count the total number of times each alphabet… Read More
A quick guide to convert IntStream to String in java 8 streams. 1. Overview In this tutorial, We’ll learn how to convert IntStream into String value in java 8. In previous tutorials, w… Read More
Arrays class in Java provides lots of useful utility methods for common array operations such as sorting, searching, comparing arrays, filling array elements, etc.
All these methods provided… Read More
Sometimes we need to split the array into multiple arrays based on the size in java. In other words, divide the array into pieces of length n. The output returns consecutive sub-arrays of an… Read More
One of the major feature of Java 8 is addition of Stream. It also has introduced the functional programming in Java. We will discuss different stream operations available in Collection, Arra… Read More
Using ‘flatmap’ function of a stream, you can flatten the nested maps recursively. Find the below working application. FlatMapUtil.javapackage com.sample.app;import… Read More
With Java 8, we were introduced to a new abstraction called Stream, using which we can process data in a declarative manner. This, when paired with the collector functions, make data process… Read More
Ari Aaltonen: Function to be refactored... T notUsedRandomItem(List allItems, List usedItems) { return allItems.stream() .filter(item -> !usedItems.contains(item))… Read More
‘flatMap’ method returns a stream consisting of the results of replacing each element of this stream with the contents of a mapped stream produced by applying the provided mappin… Read More
RvPr: I just noticed that creating and starting a number of threads, during a class' static initialization, results in a deadlock and none of the threads getting started. This problem disapp… Read More