Java
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Java – no virtualmachineerror guarantee
I come from C In the C world, we pay attention to exception security and note that mutator can provide different guara…… -
Java – how to solve the problem that the current thread cannot find a session
I try to do the implementation of general Dao according to article Here is my genericdaoimpl class @SuppressWarnings("…… -
Writing a Russian PDF using the Java pdfbox Library
I'm using a named PDF@R_694_2419 @Java library, trying to write text to PDF It works for English text, but when I try …… -
Java: convert string date to month name year (MMM yyyy)
I'm new to Java I am trying to convert the date from string to MMM yyyy format (March 2016) I tried this Calendar cal=…… -
Hindley Milner algorithm in Java
I'm writing a system based on simple data flow (imagine it like a LabVIEW editor / runtime written in Java) Users can …… -
Is it acceptable in Java to use thread #stop() to kill a running thread?
Unfortunately, you cannot specify a timeout when using regular expressions for strings in Java Therefore, if you don't…… -
Java: write large files?
to greet, I am currently using bufferedwriter BufferedWriter mbrWriter=new BufferedWriter(new FileWriter(memberCSV)); …… -
Java – Subversion: errors in previous versions
I like subversion's blame action (it shows the submission of the last change to each line in the source file) Alas, we…… -
Using generic type security in Java
I encountered generic behavior in Java and I didn't understand it at all (using my. Net background) public class TestG…… -
How to use Java annotations to modify the source code before final compilation?
From the apt tool page, I can create annotation processors to generate new derived files (source files, class files, d…… -
Java – how to use a jobobject array? (JNI)
Actually, I call a C function: What I want to do is get the value of the original object Considering the Java code dec…… -
Java – allows equal comparison between ‘Boolean’ and ‘object’?
Following code public class TestComparison { public static void main(String[] args) throws Exception { boo…… -
Is DirectX feasible for Java?
Is there an easy way to use DirectX in Java? In particular, DirectX's video API I know c# may be a more natural choice…… -
Is rxjava cache () the same as replay ()?
I want to know if there is a cache () operator that can cache x emissions, but it will also expire after a specified t…… -
Java – how to callback after the view is fully rendered?
How to callback after the view is fully rendered? I tried to call a method to take a screenshot of the parent view If …… -
Java se: open the web page and click the button
I have a Java 7 program (using webstart technology, only applicable to Windows 7 / 8 computers) I need to add a functi…… -
Java’s tostring() is equal to the clojure function
Some of the Java code I use calls toString () on my clojure function object, which returns something like # < ns $s…… -
Java – use common IO to compress the directory into a zipfile
I am a beginner of Java programming. I am currently writing a program that must be able to compress and decompress Zip…… -
Java – how to use RandomAccessFile to read utf8 encoded files?
I have text files encoded in utf8 (for language specific characters) I want to read line by line String str = myreader…… -
Why use Java io. Console？
Hurry up here Using Java io. What are the benefits of console instead of using BufferedReader with inputstreamreader f…… -
How to create a Java application that can be run by clicking?
I want a Java application that can be launched easily So far, I've managed to create a jar file, but I don't see any b…… -
Java – OSGi weavinghook example
Is there an example of using OSGi 4.3 woven hook service? What about AspectJ, ASM and javaassist? Does anyone really u…… -
Java – upgrade spring security oauth2
I'm trying to change the spring security oauth2 configuration from 2.0 Upgrade from 0.rc1 to 2.0 3.RELEASE. I copied t…… -
Java – how to convert a 24 bit PNG to a 3-bit PNG using Floyd Steinberg dithering?
How to use Floyd – Steinberg dithering to convert 24 bit PNG to 3-bit PNG? You should use Java awt. image. Bufferedima…… -
Java – iText: vertical alignment of pdftable cells
I tried to vertically align my avatar cell text in the middle of the cell height This is my code: PdfPCell c1 = new Pd…… -
Java – I can’t divide two numbers correctly
int percent = (score/numberOfQuestions)*100; int percent = (score/numberOfQuestions)*100; progressText.setText(score+"…… -
The purpose of static methods in Java
I'm confused about the use of static methods in Java. For example, if the main method is static, it makes sense, but w…… -
Java – double locking mode: disconnected?
Why is this pattern broken? Is it good for me? Any ideas? public static Singleton getInst() { if (instace == null)…… -
Java – find out if sqlexception is raised due to repetition
I have a java program that is not related to the database. If sqlexception is thrown due to duplicate keys, I need to …… -
Java – running JUnit tests using Maven under eclipse
I have just installed the plug-in M2e for the first time on eclipse I wrote a simple JUnit (version 4) test I can run …… -
Java – implement prosody finder
Want to know if anyone has any tips, or can point me in the right direction, find / create some algorithm to find pros…… -
“(? Pattern)” pattern is supported in Java
See English answers > regex named groups in java6 var pattern = @";(?<foo>\d{6});(?<bar>\d{6});"; var r……