Java: new features in Java 8

1. Lambda expression 1.1 benefits of lambda expressions Lambda is an anonymous function. We can understand lambda expression as a piece of code that can be passed (pass the code like data) Using it, you can write more concise and flexible code. As a more compact code style, the language expression ability of Java has been improved The essence ...

Posted by simonb on Tue, 24 May 2022 05:54:51 +0300

Speaking of Bixin source code, why not talk about Bixin source code to realize the chat room function?

Speaking of Bixin source code, why not talk about Bixin source code to realize the chat room function? Bixin source code is the abbreviation of "Bixin accompany play source code". In Bixin source code, the chat room function is a very important module. It can promote user circulation and accelerate social interaction. This article wil ...

Posted by Serpent7 on Sat, 21 May 2022 13:43:52 +0300

Input / output stream in java

Input / output stream in java (2) 1, Commonly used byte input and byte output stream classes 1. Byte output stream - top class OutputStream Definition - public abstract class OutputStream - cannot be new Byte output stream ----- FileOutputStream class Definitions - public class fileoutputstream extensions OutputStream Construction method 1.File ...

Posted by ddc on Fri, 20 May 2022 18:13:35 +0300

The flatmap method of Java8Stream uses

  flatmap in stream is an intermediate operation of stream. Like the map of stream, it is a collection type intermediate operation of stream. However, different from map, it can split (slice) a single element in stream. From another point of view, using it means using double for loop. View the method definition of flatmap in Stream source cod ...

Posted by AndrewBacca on Mon, 11 Apr 2022 16:31:14 +0300