Recent questions tagged java

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java - Uploading multiple images with volley?

I have gone through a lot of post in SO and other tuts as well.But i couldn't get any latest ... updated deprecated less volley class ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What purpose does Class.forName() serve if you don't use the return value?

I've seen this line in a sample application for using a commercial JDBC driver: Class.forName("name.of.a.jcdb ... purpose does this line serve? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What is a sources JAR?

I was recently trying to import a library to use for something I am working on. https://sites.google.com/site/ ... it and what is it for? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How do I read JVM arguments in the Spring applicationContext.xml

I have a JSF web application with Spring and I am trying to figure out a way to reference the JVM arguments ... properties-ref="props" /> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How do I use arrays of generic types correctly?

I have a class that maps incoming messages to matching readers based on the message's class. All message types ... common) way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - using JDBC preparedStatement in a batch

Im using Statements batchs to query my data base. Iv'e done some research now and i want to ... in my understanding of preparedStatement? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Word Wrap in Net Beans

Netbeans is great but there's no way to wrap text in it (or hopefully I haven't found it yet). Is ... functionality (hopefully free as well). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to get resource method matched to URI before Jersey invokes it?

I'm trying to implement a ContainerRequestFilter that does custom validation of a request's parameters. I need to ... described in JERSEY-351. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to Return CSV Data in Browser From Spring Controller

Let say I have CSV data in a string and want to return it from a Spring controller. Imagine the data looks ... lines in tact as shown above? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Explain synchronization of collections when iterators are used?

I understand that collections like the Hashtable are synchronized, but can someone explain to me how it works, and at ... ? Thanks for any help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - The import org.apache.cordova cannot be resolved

For some reason, after going through Phonegap's non-inclusive instructions (it doesn't even mention setting up ANT, ... I can figure this out. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to show an image in the email body?

Note: I don't want to attach the Image to the Email I want to show an image in the email body, I had tried ... /image.jpg'>", imgGetter, null)); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android Studio - add ownCloud library from GitHub

I don't understand how to add this library (https://github.com/owncloud/android-library) to my project in Android Studio. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - FileOutputStream: Does the "close" method calls also "flush"?

I'm really confused about flush and close method.In my code I always close my FileOutputStream object. But I ... not sure about using flush. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Spring Couldn't autowired,there is more than one bean of `` type

Here is my question:I have a base interface and two implementation class. And a Service class has a dependencies on ... . can anyone help me ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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109 views

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java - Spring 3 @ImportResource with multiple files

I'm trying to find the syntax for importing multiple spring xml context files using Spring 3 @ImportResource ... any example on Google See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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277 views

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java - `-Dmaven.multiModuleProjectDirectory not set` issue with Maven and IntelliJ

I've spent quite some time trying to figure out what I'm doing wrong and hoping someone may be able to help ... shed some light on this please? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Read data from HashMap using JSTL tag in JSP without using for each or for loop

I want to read data from a hash map in JSP, but without the use of JSTL <c:forEach> or a for loop. How can I do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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131 views

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java - How to keep playing video while changing to landscape mode android

I'm playing video (on VideoView) on portrait mode (not on full screen) and when I change to landscape ... will keep playing. Any Suggestion? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Is it possible for ConcurrentHashMap to "deadlock"?

We have come across a strange issue with ConcurrentHashMap, where two threads appears to be calling put(), and then ... .java:883) at [redacted] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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303 views

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java - Iterating over ResultSet and adding its value in an ArrayList

I am iterating over an ResultSet and trying to copy its values in an ArrayList. The problem is that its ... value of all columns. Why? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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396 views

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java - XML deserialization to POJO using Jackson XmlMapper

Using Jackson XmlMapper annotations, how would I deserialize this XML into a pojo? <?xml version=" ... (DeserializerCache.java:243) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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275 views

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java - Spring MVC Rest Service Controller with Error Handling done right?

I was wondering how to correctly implement a Spring Controller which is supposed to serve as a REST Service. ... Thx for the support already See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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104 views

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java - Finding most specific overloaded method using MethodHandle

Suppose I have three methods inside a given type (class/interface): public void foo(Integer integer); public void ... does following JLS 15.12? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Eclipse - add .jar to Dynamic Web Project

When I use the follow code in eclipse Dynamic Web Project inside servlet , like this : @WebServlet("/ ... is the required jar - See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Scopes in Dagger 2

I probably missed something, but I thought Scopes like @Singleton are used to define "scoped lifecycles". I use ... components in dagger 2? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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346 views

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java - Displaying Hashmap keys and values in a primefaces DataTable

I'm trying to display a Hashmap in a DataTable, here's what i'm trying to do : I'll have a select ... is showing the data. Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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157 views

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java - Is there a way to list NetBeans editor hints?

Does NetBeans have a way to show all the editor hints (like missing braces, unused imports, etc.) for a ... indicator next to the scrollbar. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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