包含标签：Java 的文章
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Java loop efficiency
I compared the efficiency of nested for, while and do while loops in Java, and I encountered some strange results that…… -
Java – is it OK to have an ’empty’ class that extends another class?
Suppose I have a class foo, which has a pile of logic, and another class bar is basically the same However, since Foo …… -
Java – Eclipse console exception color
This seems simple, but I can't seem to find a setting in eclipse to change it I like my console with dark white text I…… -
Java – how to: access restful web services for beginners using play framework 2.1
Many concepts and techniques I use in this problem are quite new, so I hope to know and help beginners in the communit…… -
Java – what happens to the lost string object
Line 1: String x = "Java"; Line 1: String x = "Java"; Line 2: x.concat(" Rules!"); Line 3: System.out.println("x = " +…… -
Java – how to capture window minimization events?
I want to create a JFrame instance and click the minimize button. I want to hide it in the system tray, usually the wi…… -
Java – NoClassDefFoundError is running a valid jar (compiled with dependencies), although it has common httpclient and httpcomponents dependencies in POM
I tried to automate a simple user behavior by using selenium webdriver under the main method (not under test) "Excepti…… -
Java – how do I get the JRE / JDK that matches the source?
I want to get at least one JRE / JDK level on my windows machine. My JRE / JDK source matches the exact level of JRE /…… -
How do I iterate over a stack in Java
I want to know how to use iterators in the stack class How do I create an iterator class for it? Solution Just get the…… -
Java – Maven changes the order of plug-ins for different configuration files
I have a POM XML, I defined the same plug-in in two different configuration files (the same groupid and artifactid, di…… -
Java – what are the different ways to handle errors in the FreeMarker template?
How to suppress FreeMarker template errors? class MyTemplateExceptionHandler implements TemplateExceptionHandler { …… -
Method of verifying sqlmapper configuration file of mybatis using XSD (2)
In the last article, I introduced the method of using XSD to verify the sqlmapper configuration file of mybatis (1). F…… -
Java – no authenticationprovider found usernamepasswordauthenticationtoken
My web XML configuration is <filter> <filter-name>springSecurityFilterChain</filter-name> …… -
How to disable log4j logging from Java code
I use log4j to write to the old version Library of logs My default log4j The properties file points logs to the consol…… -
Common problems and solutions of connecting JDBC to Oracle Database
Note: This article is compiled from the questions and various answers of the majority of webfriends extracted from the…… -
An example shows how to compress and decompress 7z files using Java
Compressed into 7z files. Firstly, there is little compressed content of 7z on the network. In particular, fewer Java …… -
Java – jsch: how to keep a conversation active
I am using SSH to write a Java GUI program for static route management My code is as follows: import com.jcraft.jsch.*…… -
Detailed explanation of spring boot and mybatis integration optimization
Springboot official documentation http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/ -
How to maintain Java webapps in different segmentation environments?
You may have a set of properties that are used on the developer machine, from developer to developer, another set for …… -
Java – what do I mean when I say prepared statements are precompiled?
I use MySQL in Java I don't have a good understanding of Preparedstatement What does compilation mean? Solution When y…… -
Java – difference between S = s and S = s
I did a little test to manipulate a short film, and I encountered a compilation problem short s = 1; s += s; And this …… -
What is the project directory structure for stand-alone Java se applications?
What is the standard project directory structure for stand-alone Java se (command line based) applications? The SRC fo…… -
Java – what’s wrong with this simple “double” calculation?
See English answers > how to resolve a Java routing double issue13 I know that some decimal numbers cannot be repre…… -
If the test case throws an exception, will teardown be called? (JUnit)
I understand that it is called after each test method, but someone can clearly tell me whether the test method is call…… -
Java – how to build eclipse plug-ins outside eclipse?
I have a series of eclipse projects, including many plug-ins and functions, which are checked into CVs I now need to r…… -
java – System. What input class does in belong to and why?
code import java.io.*; class ioTest1{ public static void main(String args[]){ System.out.println(system.in.g…… -
Java – add / remove items to the array in Amazon dynamodb
I'm looking for the most efficient atomic method to add an item to an array in a dynamodb object Now, I see that the o…… -
File based merge sorting of large data sets based on Java
Given a large dataset that is not suitable for memory, are there any libraries or APIs that perform sorting in Java? S…… -
Java – int cannot dereference
I started in Java (I was learning microedition), and I got this error: "int cannot dereference" in the following class…… -
A good source of news about Java trends
Some people can recommend several good websites / blogs / RSS / podcast. Those who are interested in Java can keep abr…… -
Two implementation methods of Java Dynamic agent are explained in detail
The dynamic proxy of Java is described in the API connecting to Java, which is not written here. I understand the agen…… -
In Linux 7 Install JDK + Tomcat + Oracle9i on 1
This paper draws lessons from http://www.puschitz.com/ Article: installing Oracle 9i on RedHat Linux 7.1, 7.2, 7.3, 8.……