包含标签：Java 的文章
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Byte array of unknown length in Java: Part 2
Similar to "byte array of unknown length in Java", I need to be able to write an unknown number of bytes from the data…… -
What java compiler uses JSR instructions and what?
Java bytecode language has JSR instructions None of the code I compiled with the Java 7 compiler uses this instruction…… -
Java – can you use throw instead of break in a switch statement?
Can I throw or exit a switch statement without using the break keyword? Why use throwing instead of rest? switch(numbe…… -
Java – Calendar setting year problem
I tried the following code: Calendar c1 = Calendar.getInstance(); c1.set(Calendar.YEAR,0); c1.set(Calendar.DAY_OF_YEAR…… -
Java – how to set JSF message encoding to UTF-8?
I have some user input validation code <h:form> <h:inputText value="#{user.input}"> <f:vali…… -
Java – sets the background image of the surfaceview
Is there any way to set the background image of surfaceview? Do I have to do it in XML, or can I do everything in Java…… -
Java – ehcache automatically generates keys and @ cacheable spring annotations
Does anyone know how ehcache's default key generation works? If I have the following methods: @Cacheable(cacheName = C…… -
Java – chained method format in eclipse
I want to configure the eclipse Java formatter to format chained method calls: lblName .setX(last.getX() + las…… -
The Java swing component cannot be resolved
I got the following code from the tutorial: import javax.swing.*; import java.util.Date; public class SwingGUI { …… -
Java – web surfing / browser automation
I'm creating a java program to surf the Internet, log in to my website account and publish content For example Run the…… -
Java – spring boot security displays HTTP basic auth pop-up window after login failure
I am currently creating a simple application for the school project, spring boot back end and angularjs front end, but…… -
Java – what is the purpose of WS addressing?
I'm just confused about WS addressing Wikipedia says it is a specification of a transport neutral mechanism that allow…… -
Java – automatically create unit tests (semi)?
Is there a framework that supports generating some standard unit tests from annotations? An example I think of is: @Ha…… -
Java – guava libraries: Yes iterators Is cycle () thread safe?
Suppose I have the following classes: public class Foo { private List<Integer> list = Lists.newArrayList(…… -
Java – copy text from a disabled jtextfield
Can users be allowed to copy text from a disabled jtextfield? Currently, if I have a disabled text field, users cannot…… -
How do I return an instance of an object of the same type as the class passed using java 6?
I want to return an instance of an object of the type of the incoming class object The type passed in can be arbitrary…… -
Java – use @ requestbody and forward to another endpoint to throw an exception and close the stream
My java spring rest API controller is as follows: public void signup(@RequestBody RequestBody requestBody) throws IOEx…… -
Java – increment IP address in string format
I'm a novice in Java. I'm trying to find a way to increment the IP address range by user input For example, from 192.1…… -
Java – stop all tasks in executorservice
I have some executor services to schedule local tasks, such as reading files, connecting to databases, etc These proce…… -
Java – sl4j and logback – can the logging level of a package be set programmatically?
I can use the following code to programmatically set the logging level of the application, but I can also do this at t…… -
Java – Grails, how do I get an object without saving it
I'm new Grails and trying to create a form that allows the user to change the email address associated with his / her …… -
Search date range using Lucene in Java?
Can I search for a date range using Lucene in Java? How to build Lucene search query based on date field and date rang…… -
Java – what is the difference between a = a.trim() and a.trim()?
I'm in a bit of a mess I know that string objects are immutable This means that if I call a method from the string cla…… -
How to check whether a thread has started in Java?
See English answers > in Java, how do you determine if a thread is running? 8 I will start this post at some time A…… -
Why is it necessary to return a response object instead of a string object to an HTTP request in Java?
I defined my rest method to return a string data type as a response to an HTTP request That's it: @Path("/users/{name}…… -
How to use callbacks in Java to call functions, just as I did in c#?
I'm new to Java, but I need to write something like c# code (this is a hand-made prototype, just to illustrate what I …… -
Java – spring MVC – did not get the value in the JSP view
First of all, I am a novice in the spring MVC world I made a simple program in which spring MVC will process the get r…… -
Lambda – merge different types of mappings into one in Java 8
There are two maps >< integer, string > MAP1 is < ID, question > < integer, string > MAP2 is <…… -
Java – how to disable Skype extensions through selenium webdriver
Whenever I start Firefox, Skype is enabled How to use selenium & Java? Solution This is the solution (I solved thi…… -
Java – JPA: query to get the result according to the foreign key value defined in the entity class?
Netbean 6.9 generates the following JPA entity classes from this SQL Server 2008 table: I want to get all productdescr…… -
Java – how to load fragments in viewpager to select
Im uses three segments in viewpager. The problem of loading big data in large data loader works well in devices like H…… -
Java – spring hibernate 5 error value [org.springframework.orm.hibernate5.sessionholder used for key binding to thread
I just upgraded to hibernate 5 when trying to use getcurrentsession using spring hibernate transaction manager and fac……