包含标签：Java 的文章
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Java – jaxp API that is not valid when unmarshalling JAXB
I have a JAXB object that I can ungroup very well However, if I add an element [] field annotated with @ xmlanyelement…… -
Java – sets the timeout for user input
Can I set a timer for user input? Wait 10 seconds – proceed to the next step, etc //wait several seconds{ String s = …… -
Rest – jaxrs API vs. jsr311 API vs. javax ws. rs-api vs. jersey-core
For each of the above, I'm a little confused and still confused This is my understanding of this: >Jaxrs API: conta…… -
Java – how to create a modal jdialog over another modal jdialog
I have a mode setting dialog that is a jdialog In this setup window, I put some components (including a button) into a…… -
java – TimeZone. Gettimezone (“CST”) returns GMT
I'm converting time from CST to local time, but gettimezone doesn't seem to work properly String cstTime = "2013-06-21…… -
Java – httpservletrequest#getheader (“user agent”) returns null browser name
I'm using java 6 I know very little about JSP and servlet I'm using the following code to get the name of the browser …… -
How to focus items in a Java combo box
Is there a way to center the items in the combo box in Java? I tried this, but it didn't work: myCombo@R_793_2419@.set…… -
Java simpledateformat interprets the parsed string as UTC
My time zone is GMT 1 Therefore, the "date" object and "22.09.1985 00:00 UTC" print "Sun SEP 22 01:00:00 CEST 1985" on…… -
Java – spring jmstemplate – add custom attributes
I use the spring API's JMS template and mappingjackson2messageconverter (version: spring-jms-4.3.4. Release. Jar) to p…… -
Java – programmatically check the available heapsize?
I'm using eclipse The problem is that if less than 512MB of memory is allocated, my application crashes Is there any w…… -
What is the shortest way to delegate an unimplemented method to an object contained in Java? [waiting for answer]
I include the primary object (with most functions) in helpers, which will provide a convenient method I have only one …… -
Java get download progress
I'm writing Java applications (using NetBeans as IDE and JFrame forms), part of which is downloading files How do I up…… -
Java – gradle dependencies are not recognized in IntelliJ
I am using gradle as a dependency management system or any other way to develop spring boot application After adding s…… -
Java – what is an interface based framework?
I'm reading effective Java and reading static factory methods to create objects Chapter 2, item 1 Do you have an advan…… -
Java – how to use reflection to call methods with parameters?
This is my lesson: public class A{ private void doIt(int[] X,int[] Y){ //change the values in X and Y }…… -
Java – capitalize the first word in a string with multiple sentences
For example: String s = "this is a.line. Over" Should come out "This is a.line is. Over" I thought about using string …… -
Java – Jackson deserializes JSON with timestamp fields
I have this string: { "debug":"false","switchTime":"2017-04-12 17:04:42.896026" } I try to get objects in this way:…… -
Java – can I convert relax ng to XSD?
See topic: if so, my second question is, how? I tried to use the Trang Java library and nothing happened:（ Solution T…… -
Java – why is “t instanceof T” not allowed, where t is a type parameter and t is a variable?
Eclipse indicates that the instanceof operation is not allowed for the type parameter due to the generic eraser I agre…… -
Is there a zero time start (no recompilation) switchable condition flag in Java?
I'm looking for a way to provide the fastest possible on / off flag for if conditions (I mean zero time - compile / cl…… -
How to convert an input stream to a Java object
ByteArrayOutputStream baos = new ByteArrayOutputStream(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); Ob…… -
Java – when to use runtime Maxmemory() and totalmemory() [copy]
See English answers > What are runtime getRuntime(). totalMemory() and freeMemory()? 6 What are the typical use cas…… -
Java – call the ColdFusion function on another server?
I have a Java class that must be run, and my current web host (share) will not allow Java I need to host it on another…… -
Java – dynamodb global secondary index with exclusive startup key
Can I specify an exclusive startup key when querying dynamodb table through global secondary index? I am using AWS Jav…… -
Java – JSP custom tag: missing DTD / XML schema
I wrote my JSP custom tag with the following TLD: <?xml version="1.0" encoding="UTF-8"?> <taglib xsi:schema…… -
Java – what is the best way to “Ping” a database through JDBC?
I tried to determine the best way to Ping the database through JDBC "Best" I mean fast and low cost For example, I hav…… -
Java – what is the difference between JPA project and EJB project in eclipse?
Which one is used? When I want JSF stateless bean JPA entity application, do I need to integrate EJB project and dynam…… -
Java – how to exclude object properties in GWT from serialization?
Is there any way to exclude the original and object properties in serializable objects from GWT serialization? public …… -
Java uses jnotify to monitor directory changes
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Example of Web site file download function implemented by Servlet
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Android network loads pictures and scrolls
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao…… -
Java tool class for hard disk size conversion (size conversion between B, KB, MB, GB, TB, Pb)
Here is the programming house jb51 CC collects and arranges code fragments through the network. Programming house Xiao……