包含标签：Java 的文章
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Java – access referenced libraries from packages in eclipse
If I save the class in the default package, I can only access the referenced library class If I try to access it from …… -
Java – Tomcat does not parse War symbolic link
I have a development machine. I installed Tomcat before and just run it as the same user who is developing I will $Cat…… -
Java – spring Roo, field enumeration
I'm new to spring MVC and spring roo What is field enumeration? How do I enumerate all allowed values? Is it implement…… -
Open layers and events in multiple layers (openlayer. Layer. Vector)
Another day working with openlayers and another problem That is, for different types of things (cars, history and regi…… -
Java – use Apache Commons ftpsclient to “require 550 SSL / TLS on data channel”
When I use ftpclient to read data on FTP server (proftpd 1.3.3a), I encounter a problem and need to encrypt the data c…… -
Java – how to disable hibernate authentication in spring boot projects
I have a spring guided project with a crudrepository, an entity and a controller I basically try to persist an entity …… -
Java – split and convert string to int
There is something wrong with my code I read several text files For example: 1,21,333 Using my following code, I want …… -
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Multithreading – why is the compareandswap instruction considered expensive?
Why is the compareandswap instruction considered expensive? I read a Book: "Memory impairment is expensive, like the e…… -
Java – how to easily submit neon using git in eclipse
I just upgraded from Mars to eclipse neon Previously, I could select submit from the team menu, and the dialog box wil…… -
Are there constants for language code in Java or Java libraries?
Do language codes in Java or Java libraries (such as "en" or "de") have constants? (or use string OK?) I know such thi…… -
Test whether the font is first-class in Java
I'm listing all the constant width fonts available on the user's machine I can get all fonts in swing in the following…… -
How to view the status of check boxes in the Java GUI?
I have about 200 check boxes in the Java GUI Now I want to list all the checkboxes that the user has checked I can do …… -
Memory – multithreaded heap management
In C / C + +, I can allocate memory in one thread and delete it in another thread However, as long as someone requests…… -
Java – automatically call superclass methods
Consider class class A{ public void init(){ //do this first; } public void atEnd()…… -
Java – distinguish between string args [] and string [] args
I've seen two different ways to declare a string array, but I don't show any difference Anyone can explain the differe…… -
Java – use interface classes as keys to get specific instance values?
I have the following test cases and can't retrieve values from the map: package tests; import java.util.HashMap; impo…… -
Java – use Apache POI to make columns read-only
I am using Apache POI to generate Excel files I need to make column 4 read-only, and the other 2 columns will be edite…… -
JavaFX: how to connect two nodes in a row?
I want to connect two nodes (from the center of the first to the center of the second) with a line Initial ideas: Supp…… -
Java Swing button color
See the English answer > how to set background color of a button in Java GUI? 7 Now my next stage is to add color t…… -
Java – the broadcastreceiver did not receive the action of completing the download
I'm trying to capture download completion events, but my broadcastreceiver doesn't receive them This is the receiver: …… -
Java: force two-way linked objects
I design a game engine in Java The core of this engine is that there are two types of assets and attributes, among whi…… -
Java – spring boot extends crudrepository
I'm at @ L_ 301_ 0 @ use hibernate in boot application I am creating a new crudrepository for all my model objects to …… -
Conditionally remove Java methods at compile time
I'm trying to implement something like a c# preprocessor I know that Java does not have the same preprocessor function…… -
Java – cannot send a multipart / mixed request to pop up MVC based rest services
I have a spring MVC and resteasy rest service. I need to test it by sending multipart / mixed requests The service cod…… -
Java – how do I sign Mac OS X applications in Linux?
For OS X, I distribute Java applications to DMG Due to the release of mountain lion, the following error message will …… -
Java – the difference between enumeration and enumeration
There is no difference between enumeration data types and enumeration interfaces I became confused between the two I g…… -
Java – how to call the functions of the main activities from a custom arrayadapter?
I've seen a lot of similar problems and don't seem to have any work I have a main class of such functions, edit, displ…… -
Java – how to represent the type parameters of general polymorphic static methods in jshell?
In pure Java, I can write class P { static <A> A id (A x) { return x; } static int y = P.<Integer>…… -
Java – too much parameter code in a factory constructor?
I have a factory class that currently has six parameters in its constructor. I just need to add another one Usually, i…… -
How to use java to detect the current display?
I have 2 monitors connected, so I can launch my java application on the primary or secondary monitor The question is: …… -
Java – differences between JDBC
What is the main difference between spring JDBC and JDBC? Solution Let me look at a simple example of using JDBC: fina……