包含标签：Java 的文章
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The best solution architecture for user notification in Java / Grails environment?
I'm using Grails to build a community website, and I want to implement it with stackoverflow Com exactly the same user…… -
Java – mask string with characters
Hey guys, I tried to find a way to hide the string, but the code I found is only applicable to my application... Is th…… -
Java, multiple cans or one big?
In terms of efficiency and memory usage, would it be better to set up a large jar with classes / packages for each fun…… -
Embedded distributed version control system in Java?
Is there a distributed version control system (such as git or mercurial) that can be used as an embedded Library in Ja…… -
Java – generic list type with question mark
See the English answer > what is PECS (producer extensions consumer super)? 11 List<? extends Command> myVar …… -
Java – adds an object to the type of the “extended” common collection
public void addAllAnimals(ArrayList<? extends Animal> animalLikeList){ public void addAllAnimals(ArrayList<? …… -
java – sun. security. x509. Certandkeygen and sun security. pkcs. Pkcs10 – missing in jdk8 Implementation recommendations
In jdk8, the class sun security. x509. Certandkeygen no longer exists Sun. Com is still missing security. pkcs. PKCS10…… -
Java generics and factories
Establish: I have some formatter interfaces: interface Formatter<T extends AbstractItem> { String format(T ite…… -
Java – should I synchronize static volatile variables?
There are several questions about this problem, but most of them focus on this problem, because this is not the intent…… -
Java – viewrootimpl. In viewtransitioncoordinition Setpausedfortransition (Boolean) when NullPointerException is converted to another activity called prematurely
In my Android application, I have a startup screen where I make some settings and loads My application uses the defaul…… -
How do I determine the size of permgen in a Java application (that is, programmatically)?
>Is there any way to measure the permgen size currently used in my java application? I cannot use external analysis…… -
Preload Java classes / libraries at jar startup?
I wrote a thrift server in Java to take advantage of specific Java packages / libraries, but I'm not a java programmer…… -
Java – how to sort strings so that values with additional information are displayed first?
I tried to sort the following string 1.0.0.0-00000000-00000 2.1.0.0 2.2.0.0 2.3.0.0-00000000-00000 I currently have th…… -
Zero length matching in Java regex
My code: Pattern pattern = Pattern.compile("a?"); Matcher matcher = pattern.matcher("ababa"); while(matcher.find()){ …… -
Java – super in the fragment onCreateView
I completed coursera course on mobile application programming for Android handheld system This is the code of mainacti…… -
Java – from basic_ Convert string to jstring
I'm using basic_ string< wchar_ t> Input and need to be converted to jstring to pass through the JNI layer I won…… -
Java Web project structure best practices
I am starting a new Java Web project using hibernate and standard MVC architecture So what I really want to know is &g…… -
Java – how to verify the battleship domain?
I tried to validate the battle ship field with these rules: >The ship shall not touch the side or corner; > The …… -
Java 7u4 webstart security exception: class does not match trust level
We began to notice that with Java 7 (especially update 4), all our users began to use our webstart application. See th…… -
Java Swing: extend defaultcomboboxmodel and override methods
I use DefaultCombo@R_10_2419 @Model JCombo@R_10_2419 @List of customers in The list currently displays only its name I…… -
Java 8: how to convert a list to a list using lambda
I'm trying to split the list into lists, where the maximum size of each list is 4 I want to know how to do this with L…… -
Java – how do I get precompiled Linux binaries for the protocol buffer?
My build server is based on Linux I need protoc to integrate it into my ant - based build system I'm building XML uses…… -
robots. Txt parser Java
I want to know how to parse robots in Java txt. Do you have a code? Solution Heritrix is an open source web crawler wr…… -
BlackBerry queue thread
I've seen BB API (5.0), and I can't find any method to execute a batch of threads serially I know BB has a limit on th…… -
The Java EE project cannot be deployed
I am a beginner of Java EE Today, I try to learn Java EE according to this tutorial: It basically teaches how to use N…… -
Common Lisp – error saving SbCl image from Emacs multi thread
I have been saving and running the Common Lisp image to save restart time and improve development efficiency However, …… -
Java – openjpa in OSGi does not find the MySQL JDBC connector bundle
I am currently working on Felix's OSGi project (v4.0.3) I need to use JPA, so I installed the Apache Aries JPA package…… -
Even if there is enough JAVA memory – why repeat Java garbage collection
Our java process consumes a lot of CPU, and the log shows that it often performs GC, even if the memory used is about …… -
Java – adds an object to the type of the “extended” common collection
public void addAllAnimals(ArrayList<? extends Animal> animalLikeList){ public void addAllAnimals(ArrayList<? …… -
Java – checkstyle, findbugs and PMD configurations do not overlap
In my company, we began to use checkstyle, findbugs and PMD to check our code quality and unify our programming style …… -
Java – conditionally inject beans
I want to inject a bean based on the string parameter passed from the client public interface Report { generateFil…… -
Java converts objects to unimplemented interfaces
I found the following problems in my study book and was a little confused: Given the following code, which option, if ……