Recent Posts
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Java – = and =
I've been misplaced = many times, I think I've always forgotten, because I don't know the difference between the two. …… -
java – Gson：JsonSyntaxException on date
I tried to deserialize a JSON array using gson, but I'm getting a jsonsyntaxexception The JSON string is generated by …… -
Java – local or instance members
The following code proves that method1 is faster than method2 Anyone can comment on the reasons for this behavior clas…… -
Java – write toString () once and for all?
I want all my classes to implement toString () in the same way using java reflection I came up with two ways >Creat…… -
Java – enables NetBeans (ANT) to generate multiple jar files for a project
I have a NetBeans project with two main classes. One starts a client and the other starts a server I need to create tw…… -
java – URLConnection setRequestProperty vs addRequestProperty
Let me say I'm talking about HTTP to a web server. I will accept HTML or text, but I prefer HTML In other words, the t…… -
Java – a shorter method for dynamically obtaining the name of the current method
See English answer > getting the name of the current executing method18 This is what we are doing now: new Object()…… -
Java – wicket & CSS resources
I've been looking for it. I can't find a virtual guide to add my CSS to the wicket website project But before I starte…… -
Java – can annotation processors be used for code generation?
Suppose I define an annotation named @ myannotation One class X is declared as: @MyAnnotation class X { .... } Now whe…… -
Java – if it doesn’t exist, add a new value to the map, or add it
I have a Java util. Map < foo, double > foo of a key class Let's call an example of a map I want to add {foo, f}…… -
Bad use of very large strings? (JAVA)
Is there any negative creation of huge strings? For example, if we read text from a potentially large text file: while…… -
Java – pass parameters using GWT history?
I have a page called orders and a page called orderdetails As described in the excellent MVP tutorial, I am using hist…… -
Is there a Perl implementation in Java?
I am looking for a Perl implementation in Java Jython is similar to python I need to run some Perl code in a Java clas…… -
Java applet – was it wrong today?
I have some extraordinary computing code that needs to be applied to the data downloaded into the browser Dom and obta…… -
Concurrency – Sinatra websocket Celluloid ID
Do any of you know how to run a quick code example of a Sinatra application running on celluloid: IO and use websocket…… -
Java. Java in JDK class lang.ref. Memory leak of WeakReference object
The following simple code reproduces Java. Java in the heap lang.ref. Growth of WeakReference objects: public static v…… -
Multithreading – is the method pointer assignment thread safe?
Example: Suppose I have the following clues (please do not consider the contents used in the thread context execution …… -
Different users under Linux are preferred for Java system
I try to run multiple JVMs (including Tomcat) of different users on a Linux frame I don't see too many problems, but i…… -
Java – why doesn’t class have a good generic type in this case?
In this code, why can't you declare a type as class? Extension b > public class Foo<B> { public void doSo…… -
Java – unable to resolve symbols for powermockrunner
I tried powermock for the first time I use build Gradle and add: dependencies { ... testCompile 'org.mockito:mocki…… -
Java – dependency management and maven
I recently became a big fan of Maven to control the build cycle of my application However, I encountered some rough ed…… -
Java – high performance JMS messaging
I read the slide from this year's uberconf. One of the speakers is arguing that spring JMS adds performance overhead t…… -
Drawing java with canvas
I want to draw Java canvas, but I can't make it work because I don't know what I'm doing This is my simple code: impor……