包含标签：Java 的文章
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Identifying file types in Java
Please help me find out the type of file being uploaded MimeType returns the same way for both files Please help. Solu…… -
Java – what is the difference between HashMap in alt-rt.jar and rt.jar?
What is the difference between HashMap in alt-rt.jar? Best wishes I found two different * Jar in JDK 1.6 0_ 25 64 bit …… -
Java – Eclipse RCP code error when deploying product
I'm creating an RCP application with many Greek messages, so everything is UTF-8 When I developed and tested through t…… -
Java – spring request scope bean
How do I set up a bean that will be created once upon request I try to do this: @Component @Scope(value = "request"…… -
Java – how do I implement this filteringitator?
>Iobjecttest is an interface Because the "has next" operation actually involves repeatedly moving the underlying it…… -
How to use SNMP and Java?
I'm writing an application to access network printers As part of this application, I need to know the "status" of the …… -
java – Guice inject. GetInstance () – good practice?
Suppose I have two applications that share the same library The library contains common classes, such as Dao, utils, e…… -
java – Criteria. DISTINCT_ ROOT_ Entity does not block duplicate objects
I have the following Dharma: @Override public List<AdminRole> findAll() { Session session = sessionFactory.g…… -
Unknown column in Java hibernate ‘field list’
I need a help When I use getallstreets() method, I have HQL error: org.hibernate.exception.sqlGrammarException: UnkNow…… -
Java – missing “run JUnit test”
I created a JUnit 4 test in eclipse by right clicking the Java class and selecting new JUnit test case When I right-cl…… -
Java – assignment of value in array index
Please check the following code snippet to let me know how to output 1.2 int[] a = { 1,2,3,4 }; int[] b = { 2,1,0 }; S…… -
Java – how do I get the server port number when using a JMX server with a transient port?
When launching a Java application using the following options: -Dcom.sun.management.jmxremote -Dcom.sun.management.jmx…… -
Java – annotation processor output in maven
I'm using JSR 269 as a compile - time method to analyze code and fail it if necessary Solution I think you encountered…… -
Java – can eclipse refresh Tomcat applications automatically?
I use eclipse indigo (EE) to build applications in the Java framework vaadin, Otherwise, when I refresh the applicatio…… -
Java – images are not cached locally (using the general image loader) – slow image loading time
Problem Description: Image loading is very slow... I thought using the "universal image loader" to cache images on the…… -
URL routing in Java
From other web frameworks, I'm used to being able to map part of a URL to method parameters I know web XML provides a …… -
Java – why does switching from infinite loop to TimerTask cause CPU utilization to decrease?
I wrote a daemon with the following structure: @ h_ 502_ 2@while ( true ) { // do some stuff Thread.sleep( 1000 ); } I…… -
Using another constructor in Java
consider: int a = 0; int b = 3; //Constructor 1 public ClassName (int a) { this(a,b); //Error …… -
Java 8u31 plug-ins cause signed applets to load much more slowly
I've noticed that signed applets load much slower with the latest plug-ins (included in Java 8u31 and 7u75) I have deb…… -
Virtual machine – import VHD to Parallels Desktop 6 on MAC
I see everywhere, but I can't find the answer, so: I have a VHD image created for me by a customer - he installed win7…… -
Java – on IntelliJ 13, the created executable jar is invalid or corrupt
I try to create an executable jar from a project on IntelliJ 13 (win8). According to these answers, how to build jars …… -
Java – the relationship between bytecode instructions and processor operations
The Java specification guarantees that the original variable assignment is always atomic (long and double type expecte…… -
Java – the difference between resteasy and jax-rs
What is resteasy? What is the difference between resteasy and jax-rs? Solution According to its home resteasy is So ja…… -
Java – JSTL string comparison always returns false
I'm trying string comparison <c:if test="${dept eq 'account'}"></c:if> But this always returns false I che…… -
Can the Java – hibernate tool generate JPA POJOs?
Can I know if the Eclipse Plug-in hibernate tool can be used to generate JPA entity @ entity? The generated java files…… -
Migration of JAXB for Java – Weblogic 12C disaggregation
We have a Weblogic 10.3 5.0, we are migrating to WL 12.1 2.0. 0. We are solving the problem of ungrouping WS calls fro…… -
Limit the length of content obtained by Java httpurlconnection
Yes, so I started to create a java download manager project that worked well The only problem I see so far is when I a…… -
Java – does hibernate 4 and ehcache need ehcache core library?
I tried to upgrade my hibernate 3 application to hibernate 4 The application uses ehcache When upgrading to hibernate …… -
Java – add parameters to the job context from the tasklet step and use them in subsequent steps of spring batch
Now, I use jobparameters to get the file names of my flatfileitemreader and flatfileitemwriter My batch can be tested,…… -
Java – servlet filter “proxy”, which only acts on the response of the remote endpoint
I need that some HTTP requests must be redirected to the spring boot web application / service, but on the requester s…… -
Java – what are the benefits of using “import static”?
What are the benefits of using "import static"? Solution In general, you should use the static import very sparingly O…… -
Java – replace El in JSP with spel from spring 3.0
Tired of old el, unable to call bean and other methods in JSP Can I use spiel from spring 3.0 in JSP? Solution Upcomin……