Java
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Java – get anchor from URI
I'm writing a JSP / servlet, and I'm trying to get the main part of the URI, for example: blabla.rdf#mark How do I get…… -
How do I import eclipse syntax highlighting configuration files for Java projects in NetBeans?
I have to use these two ides, and I want to use eclipse style syntax highlighting in NetBeans Does anyone know how to …… -
Is the Java Native Interface (JNI) affected by C ABI compatibility issues?
Is the Java Native Interface (JNI) affected by C ABI compatibility issues? I am developing a Java application I want t…… -
Using null objects to access static fields in Java
The following simple code snippet works properly and is using an empty object to access static fields final class Test…… -
Java – pdfbox: the problem of converting PDF pages into images
My mission is simple: convert every page of PDF file into an image I try to use the open source version of icepdf to g…… -
Java – find the difference between two strings
Suppose I have two long strings They are almost the same String a = "this is a example" String b = "this is a examp" T…… -
Java – transparent JPanel
I want to create a translucent JPanel I do this by simply using the RGBA value of the color constructor, but the probl…… -
Java – how to pass string as input in FreeMarker?
There is already an answer to this question: > 4 load FreeMarker templates from database However, I didn't find any…… -
Java – how to keep empty XML tags after XSLT – prevent them from collapsing into
Say I have a very simple XML, an empty tag 'B': <Root> <A>foo</A> <B></B> <C>…… -
Java – spring MVC @ requestmapping does not work
I have a strange situation where my controller is not invoked unless I map the scheduler servlet to the web / *. In XM…… -
How to calculate the number of rows of JPA 2 criteriaquery in a general JPA Dao?
I am a novice in JPA. To implement a general JPA Dao, I need to find the number of rows in the query result set to rea…… -
Java – logic within enumerations
My colleagues and I are discussing the logic in enumeration My personal preference is that there is no logic in Java e…… -
How do I back up ArrayList in Java?
I have some data stored as ArrayList When I want to back up this data, Java will always define two objects This means …… -
Java – how to use flush() in printwriter
I have some code like this: PrintWriter pw = new PrintWriter(new BufferedReader(....)); for(int i=0; i<10; i++) { …… -
Java – change the state of the toggle button from another button
I am using swing with eclipse and window builder pro to create a Java GUI I'm using jbuttons and jtogglebuttons I want…… -
Java – can date changes be detected on the JCalendar jdatechooser field?
I want to detect when to change the date in the jdate chooser field so that I can update another field Is that possibl…… -
How garbage collection is done in Java is related to Net?
I want to know the difference between the two, or they are the same Solution This problem is irresponsible First, ther…… -
What is the best way for Java programs to monitor system health?
I hope to monitor my main system health indicators from within our Java based system The main points of interest inclu…… -
Why is java enumeration constant initialization incomplete?
I stumbled upon a very strange mistake. I can't explain why Imagine the following enumeration: import java.awt.Color; …… -
Java – error deploying to Tomcat
I use apache-tomcat-7.0 thirty-seven Git： https://github.com/IRus/jMusic When deploying an application: [2013-03-15 1…… -
Force target printer in Java
Is there any way to force the target printer to use hashprintrequestattributeset in Java? I don't want users to be abl…… -
Java – interoperability between graphics2d and graphicscontext
I'm working with a combination looking for a graphics renderer in Java At present, I am trying to determine the target…… -
X509 serial number uses Java
I need to get some data from x509 certificate If I open a certificate file in windows, its serial number is displayed …… -
Java – how to generate selection tags using JSTL or standard actions in JSP
I want to create a selection tag in the JSP, where the option is enumeration (for example, all U.S. countries) Are the…… -
Java – how does actionlistener work?
I have an idea of how to use action listeners and implement them, but I wonder if anyone can tell me how they listen t…… -
Java – enforces return types for classes that implement interfaces
How to enforce the getfoo () method in an implementation class to return a list of types of the same implementation cl…… -
Varargs performance of Java
Let me check the vararg performance of Java I write the following test code: public class T { public static void …… -
How to compare image similarity using java
Recently, I had the opportunity to cooperate with image processing technology. As part of my project, my task is to fi…… -
Java – use the pop-up startup and security of the custom angularjs login page
I'm implementing a custom angularjs login page for spring security, and I have a problem verifying it I'm following th…… -
Java – changing bit values with byte
I have some data in the field type byte (I save eight inputs in the byte, and each bit is an input) Solution Set the s…… -
Scope of the Java – do while loop?
In Java, the body of a do - while loop and the loop condition do not belong to the same scope Therefore, the following…… -
Java – Auto boxing: so I can write: integer I = 0; Instead: integer I = new integer (0);
Automatic packing seems to come down to the fact that I can write: Integer i = 0; Substitute: Integer i = new Integer(……