java code profiling tools

In our daily business code are not finished, why also write test code, after the completion of the project I can not test it? looks like an increase in the amount of code, but it just helps you reduce the time of the post-test troubleshooting, each team, everyone has a bug indicator, first of all, every time you have so many bug performance is not good to see, an

Recommended 2 tool classes that can reduce the amount of code and are easy to use during coding: for Java reflection and single-measurement assert.1 Introduction to Mirror:java ReflectionOfficial website: http://projetos.vidageek.net/mirror/mirror/Simplify the command-oriented syntax provided by the Java Native API: Class.getfield/getdeclaredfields/getmethod ()/g

difficult to expand, the reconstruction of the file also has some difficulties. The IDE team started developing visual Age Micro Edition (Vame) in 1999. This tool is written entirely in Java and uses the Standard widget Toolbox (SWT) to implement its user interface. At that time, Vame targeted the development and application of embedded space. To do this, it uses the standard Java VM and saves the workspa

After I finished my personal project, I tried a new development environment because I wanted to try more on Java development, so here's a simple way to use the experience.First idea is not Chinese, although most of the development environment is not Chinese, but compared to the NetBeans I have been using the whole Chinese operating environment is very differentBut idea's support for plugins is no more than NetBeans, and the idea plugin is a lot more t

Description In a well-designed architecture, entity classes typically have a common parent wrapper, tick this option to enable parent class support.If the entity class does not have a parent class, disregard this. Example 　　 do not tick Public class A {} tick public classextends B {} Parent class name Description After you enable the parent class, you must specify the name of the parent class, or the inheritance syntax is incomplete.

1. Work is better than doing it first.The most frequently asked question by programmers is probably the best language and the best way forward (money? What language is the most powerful?In fact, there is a big misunderstanding here. That is what you are suitable for and what you want to develop. For programmers, Java, C ++, and vb are all tools used to complete a specific project. However, since it is a too

Recently, the Java concurrent programming combat-java consurrency in practice has been reviewed, and some of the common tools mentioned in the book are recorded here:I. Latching (door bolt)-CountdownlatchScenario: multithreaded testing, usually in order to accurately timing, requires all the threads ready to start execution, to prevent the cable enters upgradeabl

Mengweilil:myeclipse Advantages: Because the focus on the Java project, so do not need swing support. MyEclipse in UML, Struts, Hibernate aspects are also possible, but also not very expensive, in case of having to have a genuine time, also can afford. Disadvantages: DB Management, Entity-class mapping, powerdesigner status is always irreplaceable. There are many other tools that support UML, but they all

1. Introduction:Javamelody can monitor Java or Java EE application servers in a running environment. It is displayed as a graph: Java memory and Java CPU usage, number of user sessions, JDBC connections, and HTTP requests, SQL requests, JSP pages and Business interface methods (EJB3, Spring, Guice), average execution t

Install IntelliJ IdeaFirst, install the JDK1 Download the latest JDK, here is the jdk-8u662 Install the JDK to the default path C:\Program Files\java directoryIi. installation of IntelliJ idea1 running the IntelliJ Idea Setup program2 Consent Agreement3 Select the installation path, such as D:\Program Files (x86) \jetbrains\intellij idea 14.0.14 Select both the desktop shortcut and the Java Association opti

of dynamic memory, the private heap is a great way to improve application performance, using it to reduce new/malloc Call queue contention and a memory hole.Resource: HTTPS://GITHUB.COM/LDCSAA/VC-COMMON-SRC (source code in common/src/privateheap.h file)7. "Windows Program memory leak Detection Tool based on CRT debug"Summary: Windows program memory leak detection is a very important task, GUI-based applications usually have a memory leak report at th

The results of the 15th jolt award have been published, and eclipse3.0 won the language and development environment jolt Award again. The award of hibernate2.1 is not surprising. The specific awards are as follows:CMP media's Software Development Magazine announces winners for the 15th annual jolt product excellence Productivity Awards The 2005 Winners by category are: Books: GeneralJolt winner:-- Head first design patterns by elisw.freeman, Eric Freeman, BertBates and Kathy siider (O 'Reilly)P

Common java Regular Expression tools and Regular Expressions The examples in this article share the code of the java Regular Expression tool class for your reference. The specific content is as follows: Import com. google. common. base. strings; import java. util. regex. mat

MAVEN directory structure directly3. Complete the initial configuration of the Pom configuration file4. The completed directory is as follows:5. Handling Red Errorsmanually create a Web-inf folder under the WebApp folder, and put a Web. xml file in it6. Working with compiled versionsAdd the following code to the Pom.xml:7. Create a servlet8. Modify Web. Xml to remove Duplicate codeAdd the jar package and add the following

) {String className = "Hellow";Sqltobean Sqltobean = new Sqltobean ("Oracle.jdbc.driver.OracleDriver", "JDBC:ORACLE:THIN:@192.168.3.11:1521:ORCL" , "Mamibon", "Mamibon", "my_standard_data2");Sqltobean Sqltobean = new Sqltobean ("Org.gjt.mm.mysql.Driver", "jdbc:mysql://117.79.84.144:3306/wordpress", "Wangjun "," wangjun123 "," wp_users ");Connecting to a databaseSqltobean.connect ();Sqltobean.createclassname (ClassName);Get the fields for a tableString[] STR;str = Sqltobean.getcolumenname ();for

Use UDP protocol to send a datagram to the other party. You must set the port number for receiving data each time you start it. The IP address and port sent can be modified after it is started. PackedCode: Http://115.com/file/e7jb7noz #Qq.zip The main idea is simple: 1. Set your own receiving port 2. Set the peer IP address and port 3. send and receive data The following is the main code: Import Java.net .* ; Import

restrictions, anyway, after the format conversion generated in the Docx format document content and source document is not the same; second, during the writing period of this article, it is said that the toolkit is chargeable, So consider a friend who wants to be a commercial, or wait for it to open up (a little unrealistic).3.JAVA COM BridgeFor short, Jacob, can perfectly complete the task of doc to docx, surprise found that in fact, Jacob also supp

Shortcut keys (90% common keys):Consult source code commonly used:CTRL + N Query classctrl+d/x Row Copy Row DeleteCtrl+q brief description of the methodCtrl+alt+ Click, method implementationctrl+/Modify the Keymap,completcode. Full-complement codeCTRL + ALT + LEFT ARROW to return to the previous cursorCtrl + Alt + L format codeCtrl + Alt + O optimize importCtrl + SHIFT + "+/-" Folding codeSHIFT+F6 changing the variable nameCoding is commonly used:Alt+

window thank you1. New MAVEN project, introducing Selenium-javaHttps://mvnrepository.com/artifact/org.seleniumhq.selenium/selenium-java - Dependency> groupId>Org.seleniumhq.seleniumgroupId> Artifactid>Selenium-javaArtifactid> version>3.8.1version> Dependency>2. Write the code (because the automated test is very fast, I have a little pause after each step, the

Directory1. Definition of class:Use of 2.Junit tools:3. Unit test the class and view the results:4. Record the time of each stage5. Record the process on your personal blog (GitHub address)1. Class definition: A class is a generic term for the same thing, a class is a carrier of the properties and behavior of the encapsulated object, and conversely, a class of entities with the same properties and behavior is called classes.Use of 2.Junit tools:The fi