Java
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Java file I / O throughput drops
I have a program in which each thread reads multiple lines from a file at once, processes lines, and writes lines to d…… -
Java – does anyone run wicket applications on Google App Engine?
We have many wicket - based applications running on separate Java Tomcat servers We plan to transfer some of them to G…… -
Java – hibernate generators are not inserted with uniqueidentifier
I'm trying to map entities using hibernate annotations so that IDs are automatically generated when records are create…… -
java – Object. Signature of getclass() method
The object class contains the following methods: public final Class<? extends Object> getClass(). Why is the ret…… -
LogParser for Java
I just read this post. I want to know if there is something similar to query JBoss log files Solution Try chainsaw V2 …… -
Java – why does the method “setmaximumsize” not work, although “setminimumsize”?
import javax.swing.*; import javax.swing.*; import java.awt.*; public class MyClass { public static void main(Str…… -
Java – ThreadLocal (and singleton) in EJB container
I wrote an authorization system that relies on objects representing the current user To simplify programming and impro…… -
Java – AES buffer size
I'm trying to apply this DES encryption sample to AES, so I made changes and tried to run this operation: import java.…… -
Java – how to resolve hibernate errors: duplicate columns in entity mappings?
Hi, I have the following models: @Entity class Flight{ private Airport airportFrom; private Airport airportTo; …… -
Java – a general way to optimize program speed
In terms of speed, what general methods can optimize programs in Java I use DOM parser to parse the XML file, then sto…… -
Java – SWT: check whether multiple keys are pressed at the same time
I want to develop a small game in Java and SWT Thank Phineas in advance Solution In fact, you can achieve it Each key …… -
Java – make jcheckbox bigger?
I want to make the JTable JCheck@R_695_2419 @Larger (for touchscreen), but it doesn't change size I tried > setPref…… -
Java: how does a subclass class neutralize a parent constructor?
How can a subclass constructor class neutralize the parent constructor? I mean, in the child constructor, we have to u…… -
How to read PGM images with Java?
I think I'm missing something simple here (as usual) I'm trying to read PGM images using Java Matlab does a good job –…… -
Java – how to set SWT label filling?
When I assign text to my tags, they wrap around it very closely, sometimes cutting the lower edge off 'p', 'y', etc I …… -
Java – the best way to mark an inherited class as not serializable
If I inherit from a serializable class, but I especially don't want my class to be serializable; What is the best way …… -
Java – select an application server for web application development
My manager asked me to suggest an application server for web application development What factors need to be considere…… -
The best difference between object lists in Java
I have a list of Java objects on my server, which is sent to the client through some serialization mechanisms Occasion…… -
Java – text similarity function with strict document similarity
I am writing a java software and must make a final judgment on the similarity of the two documents encoded in UTF - 8 …… -
Java – why does TestNG skip my tests?
This is the code: @DataProvider(name = "DataSource") public String dataProvider() { String name = "ramesh"; …… -
How does Java serviceloader work during development? (unit tests before building jars?)
Java's serviceloader requires these entries to exist in the jar file Is there any way to programmatically add these se…… -
Java EE – what is the reason for the “duplicate entry” savefailureexception when deploying ear to WebSphere?
When trying to install ear, the following exception occurs: Caught Exception installing ApplicationName com.ibm.ws.s…… -
Java – get all classes referenced by the class
Suppose I have a Java. Net at runtime Lang. class instance At run time, check which classes C uses anyway? For example…… -
Java – website mobile compatibility
How to create websites and mobile browsers that should be compatible with desktop browsers? Solution I'll assume you m…… -
Can I suspend SharePoint Server IIS SQL server temporarily?
Is there any way to temporarily suspend / suspend SharePoint Server 2010, IIS and SQL server services without deleting…… -
Placing components in Java Swing
Oh, there's hay. I didn't see you I want to know if there is a better and more effective way to format tags, panels an…… -
Java – should we use JMS?
My company needs to send messages from one server to another There are about 500000 messages a day My manager insists …… -
Java – analyze the jvisualvm configuration file – find the source of a large number of primitive types?
I'm trying to reduce the memory footprint of my application The objects that occupy the most space in the jvisualvm he…… -
Java – draw a line connecting two rectangles
I created my own class diagram application in swing / AWT, but I stopped this function: >I want to draw a line betw…… -
How to use Java applet to communicate with database safely
I have written web applications in PHP for a long time I always store my database connection information in configurat…… -
The Java command lastmodified() does not work in clojure
I tried to get the last modification time from the file in clojure by executing Java commands My code is: (Java. Io. F…… -
Java – when I publish the form to another page, the JSP form parameters disappear
If I delete the action attribute from my form, it will be sent back to the same JSP, and I can easily read the request……