Getting started with java | Loop structure

Introduction to java (7) | Loop structure Start from scratch!!! Last issue was an explanation of the basic use of methods and a practice of overloading methods. This is an explanation of the structure of loops. What do you know about for loops?How should they be used?Hope you have a better answer after reading the following! Cyclic structur ...

Posted on Wed, 17 Jun 2020 20:51:23 -0400 by sysera

java Network Programming Reality - BIO-based pseudo-asynchronous, high concurrency, full duplex, long connection continuous message IO network programming

Preface TCP is a connection-oriented communication protocol through Three-time handshake Set up a connection and remove the connection when the communication is complete. Since TCP is connection-oriented, it can only be used for end-to-end communication. TCP provides a reliable data stream Service, which uses "affirmative acknowledgement ...

Posted on Wed, 17 Jun 2020 16:12:09 -0400 by gurjit

Implementation of JAVA Query Based on ipv6 Static Data File of zxinc Website

Recently there is a need to resolve ipv6 addresses. Because of the large amount of data, it is not possible to request a pre-used http query interface. This will certainly seriously affect use, so we found it when searching on the web zxinc This website provides offline files for query, and then downloads the latest offline ipv6 data. There are ...

Posted on Wed, 17 Jun 2020 12:29:31 -0400 by MasumX

How to create your own composer code package

Preface For small development partners, code packages are a common part of the development process.For example, PHP has composer, Java has maven, front-end has npm, yarn, Mac has brew, Linux has yum.Using these packages, we can easily manage the external code components introduced by the code, help us to improve development efficiency, and help ...

Posted on Wed, 17 Jun 2020 12:08:05 -0400 by mark_nsx

Design of lab 3 for software construction experiment of HIT Harbin University of Technology

catalog 1, For ADT design 1.1 common design 1.2 personalized design 1.3 code display 2, Design of scheme and design model 2.1 scheme design 2.1.1 decorator mode (scheme 6) 2.2.2 delegation mode (scheme 5) 2.2.3 comprehensive consideration and selection scheme 2.3 factory, iterator, facade, state ...

Posted on Wed, 17 Jun 2020 04:05:53 -0400 by kenyabob

python programming from introduction to practice one

1. Computer core foundation 1.1 what is language? What is programming language? Why programming languages? Language is actually the medium of communication between people, such as English, Chinese, Russian, etc. Programming language is the medium of communication between people and computers, The purp ...

Posted on Wed, 17 Jun 2020 02:56:51 -0400 by xlordt

[15] kotlin object oriented [abstract class, interface]

Basic concepts In essence, it is to solve the problem of how to describe the world with programs Discuss how to map the real things into the classes and objects of the program A thought, thought and method of programming Concept of programming level Design pattern: previous programming experience Learning Guide Object ...

Posted on Wed, 17 Jun 2020 01:07:09 -0400 by press711

Inversion of control (IOC) and dependency injection (DI)

concept I understand that IOC and DI are JAVA concepts in the early stage, which are not accepted by the PHP industry for a long time, because the concept of PHP is simple and efficient, but the long-term development makes PHP have to go this way for engineering specifications and development decoupling. Laraval framework brings the concept of ...

Posted on Wed, 17 Jun 2020 00:46:27 -0400 by david212

Converting Excel tables to visual graphics in Python

As you know, a large part of postgraduate entrance examination is also the ability to collect information. Every year, many people fail to correctly analyze the admission information of each university in the past years, and then fail to choose the right college. As for the enrollment information of many colleges and universities, it is publish ...

Posted on Tue, 16 Jun 2020 23:37:48 -0400 by cybtec

Using redis to implement a distributed lock service in Java

In modern programming languages, programmers who are exposed to programming with too many threads know more or less about locks.Simply put, locks in multiple threads are mechanisms that ensure the consistency of shared resources when multiple threads modify shared resources in a multithreaded environment.Don't expand here.In a distributed env ...

Posted on Tue, 16 Jun 2020 13:17:31 -0400 by plasmahba