Java Learning notes: Use the Zip API for file decompression and to read directly the contents of the specified file

Using Zip for file transfer in an Android project can greatly reduce storage space and transfer traffic, so it involves compressing the zip file. The Java Native Zip API is described in detail below. First, a simple list of Java in the API on the

JAVA Distributed Tracking System Zipkin (III): Brave source Analysis-tracing__java

All posts are in the personal independent blog http://blog.mozhu.org starting, welcome to visit. In the last blog post, we learned about the basic use of the brave framework and analyzed some of the source code associated with tracer. This blog post

The cause of java.io.InvalidClassException anomaly and its solution __serializab

First, the scene of abnormal occurrence When you use Netty to do an Android message push, the following exception occurs: Io.netty.handler.codec.DecoderException:java.io.InvalidClassException:failed to read class descriptor Obviously, it's a

Java Working Tools Common tool Class (iv)--json tool class, using regular support XML and JSON to switch to the "utility class"

See this topic is not most people are dismissive, indeed almost every Java program ape has written the JSON tool class, and many people have used json-lib.jar encapsulation of similar functions, but I use the regular to support the XML and JSON,

How to reference and find Web services in the Java EE component

J2ee|web|web Services This article discusses how to reference Web services in the Java EE component and find Web services through Jndi. On the content organization, a EJB2.1 stateless session Bean is first published as a Web service, then a Web

Java language Encoding specification selection from HK

Code | Specification 1 Introduction (Introduction) 1.1 Why should there be coding specifications Coding specifications are particularly important for programmers for a number of reasons: -80% of the cost of a software lifecycle is to

Java Theory and Practice: a more flexible and scalable locking mechanism in JDK 5.0

Telescopic Content: Synchronized Quick Review The improvement of the synchronized Compare the scalability of Reentrantlock and synchronized Condition variable It's not fair Conclusion Resources About the author The evaluation of

Java Mail API and its application--implementation of a mailing list server (ii) (paste)

Server | Mailing List Mailing list service is often used to provide an e-mail-based discussion environment for a workgroup, through which subscribers discuss issues of common interest. The sample program provided in this article listserver is a

In the MyEclipse Web Project/java project, use the Hbm2java and HBM2DDL tools in Hibernate-tools to proactively generate Pojo and database scripts based on HBM files

First of all. I'll have to spit it out. This ant manages the tools for deploying the project. As well as hibernate just learned, import me this one simple question whole day more. It's really inefficient. During these two days, ① learned about Ant.

Effective Java Third edition--42.LAMBDA expression better than anonymous class

Tips"Effective Java, third Edition" an English version has been published, the second edition of this book presumably many people have read, known as one of the four major Java books, but the second edition of 2009 published, to now nearly 8 years,

Java Fundamentals (eight) deep parsing of constant pool and unpacking mechanism

Introduction?? This article will introduce the Chang and packing unpacking mechanism, the reason is that the two together introduced, is because many articles on the internet when it comes to Chang, the wrapper class cache mechanism, Java constant

[Java interview five] Spring summary and some questions during the interview.

1. What is the difference between your understanding of the spring IOC and di?The concept of the IoC inverse of control inversion is to take control of the UserService object that was originally created in the program, to be managed by the spring

Java Concurrent Programming Combat (Chinese version) pdf

: Network Disk DownloadContent Introduction· · · · · ·This book introduces Java threading and concurrency in a more comprehensible way, and is a perfect Java concurrency reference manual. From the basic concepts of concurrency and thread safety, the

Java Invoicing System Inventory Management merchant management Springmvc SSM Sales Report Project

Introduction:1. The system uses the main SSM framework JSP JSTL Bootstrap HTML5 (PC browser)2.springmvc +spring4.3.7+ mybaits3.3 SSM Common Java Web (non-maven, with pom.xml files) Database:MySQL3. Development tools : MyEclipse Eclipse idea is

Java Data Structures and Algorithms (ii)--arrays

On the previous blog we briefly introduced the concept of data structure and algorithm, it is normal to blur, and then slowly through the concrete examples to introduce. This blog we introduce the originator of data structure-arrays, can say that

"Getting Started with Java" Day3 abstract class and interface comparison

Abstract class and interface are finished, now to do a comparison.In fact, to be honest, there is not much comparability, they are completely different two things, their abstraction is not at the same level. But in order to let everyone better

Detailed use of Docker to build the Java Web Runtime environment

What does >docker do?Docker is an advanced container engine based on the Linux container (Lxc-linux container), developed based on the Go language,The source code is hosted on Github and complies with the APACHE2.0 protocol open source. The goal of

Java face question 17 How do I convert a comma-delimited string into an array? About the use of the split method in the String class, Super detailed!!!

Split method: splits a string into substrings and returns the result as an array of strings. Stringobj.split ([Separator],[limit])Parameters: Stringobj required option. the String object or text to be decomposed . The object is not modified by the

Java Collection --- HashMap source code analysis, java --- hashmap source code

Java Collection --- HashMap source code analysis, java --- hashmap source code 1. HashMap Overview HashMap is implemented based on the Map interface of the hash table. This implementation provides all optional ing operations and allows the use of

Maven Project Build spring boot + spring mvc + JPA example, mavenmvc

Maven Project Build spring boot + spring mvc + JPA example, mavenmvc This article describes how to build spring boot + spring mvc + JPA by using Maven: Add Spring boot support and introduce related packages: 1. For maven projects, see the official

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