Java
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10 classic javamain method interview questions
The following is what I think is a classic interview question about Java main method. It is not so much a Java intervi…… -
Summary of experience in dealing with character coding in Java
When facing a string of byte streams, its actual meaning cannot be known if its encoding is not specified. This senten…… -
40 common java development interview questions and answers
Java collection framework is the basis of Java programming language and an important knowledge point in Java interview…… -
MySQL download, installation, deployment and graphical detailed operation tutorial
MySQL is a tool that must learn how to install and deploy. It is different from other stupid applications / programs. …… -
Javaurlrewrite record of website URL rewriting process
Now most websites and shopping malls will use URL rewriting. It is also because of the E-commerce mall they are doing.…… -
How do I understand abstract classes and interfaces in Java
In the interview, we are often asked: what is the difference between abstract classes and interfaces in Java? Then, le…… -
20 common java code snippets
Here are 20 very useful java program fragments. I hope they can be useful to you. 1. Strings have integer conversi…… -
Deep understanding of Java exception handling mechanism
1. Introduction Try... Catch... Finally I'm afraid it's a familiar sentence, and it feels very simple to use, and …… -
Graphic tutorial on JDK download, installation and deployment
Although this is very simple for many people, I still want to write it. I hope it can help the latecomers who still ne…… -
How much memory can Java objects occupy?
Recently, I read in-depth understanding of Java virtual machine and had a further understanding of the memory layout o…… -
Summary of java development novice problems
Java is one of the most popular programming languages & mdash& mdash; It can be used to write windows programs…… -
Summary of 20 interview questions for Java advanced developers
This is the first part of an advanced Java interview series. This part discusses the core issues of Java, such as vari…… -
Several configuration methods of Java database connection pool (taking MySQL database as an example)
I Tomcat configuration data source: Premise: you need to put the jar package connecting the MySQL database driver into…… -
Deep understanding of Java interfaces and abstract classes
Abstract is one of the characteristics of object-oriented programming. In Java, OOP abstraction can be embodied in two…… -
25 learning points for becoming a Java master
Want to be a Java bull? Here are 25 points for learners. 1. You need to be proficient in object-oriented analysis …… -
Performance optimization summary of 35 java development codes
Foreword Code optimization is a very important topic. Some people may think it's useless. What can be changed in some …… -
String. In Java Summary of split() usage
In Java Lang package contains string The split () method returns an array I use some in the application to summarize f…… -
Eclipse tips
I'm used to developing Java programs in eclipse. The company's recent projects are all developed by idea. Meanwhile, A…… -
Explain in detail the usage of inheriting classes using externds keyword in Java
Understanding inheritance is the key to understanding object-oriented programming. In Java, an existing class is inher…… -
Java implements a simple chat room program based on UDP protocol
I've been relatively idle recently. I've been taking the time to review some technical applications in Java. Nothing t…… -
Overloading and rewriting instance code of Java functions
In Java, polymorphism can be divided into two types: compile time polymorphism (overloading) and run-time polymorphism…… -
10 ways to get JAVA done in a few weeks
Don't confuse java with JavaScript. The goal of Java is & ldquo; Compile once and debug everywhere & rdquo; (E…… -
ASP. NET MVC4+EF5+EasyUI+Unity2. Front end page framework construction and source code sharing of background management system injected by X
At the beginning, we have a series of solutions. Let's start to build a new system. The user experience needs more and…… -
Wechat randomly generated red envelope amount algorithm java version
The craziest thing to play in recent years should be sending red envelopes, especially during the new year. The follow…… -
Java program implements the method of exporting excel (supports ie low version)
Today, I want to sort out an export problem I encountered some time ago. Because of the requirements of the project, s…… -
Does Java 1.7 use different character encodings?
We migrated our application from Java 1.6 to Java 1.7 We recompile the code using java 1.7 and receive an error at com…… -
Java – what type of data structure should I use to save table rows?
I'm a novice in Java. I just enter the query database So far, my results are in resultsetmetadata I think for each row…… -
How do I find country names from city names in Java?
I want to get the country name of Twitter users To this end, from < location >, some users wrote the label of th…… -
Java – understand the main loop in foreachtask of streams API
It seems that the core of parallelization of Java streams is foreachtask Understanding its logic seems crucial to obta…… -
. What is the Java equivalent of aggregateexception of. Net?
Yes Net, the aggregateexception class allows you to throw an exception containing multiple exceptions For example, if …… -
Java – how to use Jfilechooser to get directory paths?
I have a small java GUI application with a text field on it When the user clicks the text field, an event is triggered…… -
Java — Thinking about interface rewriting method
I have the following code. The generic ITest interface is extended by the non generic itestdouble interface Itestdoubl……