包含标签：Java 的文章
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Java optimizer and redundant array evaluation
This is a very basic problem about Java optimization If you have a simple for loop, iterate over the array and use arr…… -
Java – CRC-16 with 0xa001 polynomial
I want to calculate CRC - 16 checksum of byte array with 0xa001 polynomial But I really don't know how to use it in Ja…… -
Java – intercept exceptions
I want to use custom exceptions so that a user - friendly message appears when any sort exception occurs What is the d…… -
Java – problems received in rxtx
I've been using rxtx for about a year without too many problems I just started a new program to interact with a new ha…… -
What is the Java template engine / API for creating text files?
I want to create files in different formats in Java - based web applications These files are plain text files without …… -
Java – where is the Apache hive jdbc driver for download?
I need to connect to hive. Com from a java program via JDBC However, I can't find the jdbc driver itself (jar file) an…… -
Java toString for debugging or practical logical purposes
This may be a very basic question. If you have raised this question, please apologize The reason I asked is that I hav…… -
Java – conversion from bufferedimage to SWT image
After careful consideration, I found some codes to convert buffered image into SWT image (I won't read it for now): pu…… -
java – identity. Viewexpiredexception after logout(); In JBoss seam
After my authenticationfilter redirects to the login page, I want to exit to the user That's why I put identity logout…… -
Servlets – use javax with compojure servlet. Filter
I'm trying to build a simple web site using clojure / compojure and want to apply servlet filters to requests / respon…… -
Java – exclude a single JUnit test method without modifying the test class?
I am currently using JUnit 4 tests in another project to oppose my code As part of my automated ant build, I get them …… -
Java – how to prevent eclipse from breaking on each exception caught when running in debugging
When I started debugging a java project, eclipse continued to break random exceptions in third-party libraries, which …… -
Java – unable to connect to host 127.0 on port 7055 after 45000 Ms 0.1. Use FF version 26.0 and selenium independent tank 2.39
I am trying to connect to my AWS UNIX machine. Selenium 2.30 with FF version 26.0 is installed, but when I start the c…… -
Java – how to set the default code format and template for a new workspace
Eclipse allows Java class files to use custom formats and templates The general way to change these settings is from t…… -
How to set a switch statement in a Java loop
I want to perform a switch in the while loop. At the break of each switch statement, the while loop stops and requires…… -
Unit tests – run JUnit tests using SBT
I have a 0.13 7 SBT project has several subprojects One of them is called webapp, which has many JUnit tests in webapp…… -
Java – unchecked exceptions will be better checked
I realize that in Java, the relative advantage between checking exceptions and unchecked exceptions is a be example di…… -
Java – OSS implementation of Google application engine?
After Google first launched map reduce, the community launched Hadoop. Is there an OSS Google App Engine project? Or, …… -
Java – code navigation in eclipse
I find it difficult to browse the code of a large project involving many classes, XML files, SQL files, etc I know shi…… -
Java – open the paradox / Borland Database as a single file
My question is: This is what I have: so it's a paradox 7 database file I'm trying the driver: http://www.hxtt.com/para…… -
Java – catch several exceptions and re throw the general exception
I'm using reflection to add some data to private variables in classes from third-party libraries There are about four …… -
Accelerating mathematical computation in Java
I have a neural network written in Java, which uses sigmoid transfer function to define as follows: private static dou…… -
Java – the comparator must override superclass methods
I'm making a treemap < < string, string >, and hope to arrange it in descending order I created the following…… -
Is there a map implementation for Java listeners?
I want a map implementation where I can add listeners for put () events What is available in standards or any third-pa…… -
java – System. Arraycopy is slow
I've been trying to measure the system arrayCopy vs Arrays. Copyof performance, in order to correctly select one of th…… -
Java – simplejdbctemplate and null parameters
I use simplejdbctemplate and mapsqlparametersource in a simple way: MapsqlParameterSource parameterSource = new Mapsql…… -
Java – hibernate cache using ehcache cluster: nonstrict for strict read and write
What is the real difference between unrestricted reading and writing and reading and writing? I can read ehcache and H…… -
Button size (Java)
I created a simple menu in Java, but I couldn't figure out how to change the size of the button I want the last button…… -
Unknown developer of Java Web start application on OS X
The Java Web start application signed on Mac OS X 10.9 blocks this message by default: "application.jnlp" can't be ope…… -
Java XOR two arrays [closed]
I have to apply one XOR two arrays as if I had the following: array_1: 1 0 1 0 1 1 array_2: 1 0 0 1 0 1 I want a funct…… -
Java webdriver: element invisible exception
I have the following questions I have a hidden drop-down list, so when I make a selection and run the test, I get the …… -
How do I type π (PI) in Java?
Is there a character in the math API that allows the character π to be represented? Solution You don't even need to us……