Recent questions tagged JAVA

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java - How to view all items of Errors under Problems View in Eclipse Editor

I had checked out a Project from Our CVS. When I tried to build it in Eclipse by adding some jars, it ... am also getting these errors. Thanks. 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 if a method may return null

After posting this question and reading that one I realized that it is very important to know if a method is ... it has its advantages, too. 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 threaded debugging

I've been having trouble debugging a multithreaded app with Android Studio 1.1. It seems as if when a ... debugging multiple threads at once? 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 specify a classifier in a gradle dependency's dependency?

Say I want to add guice-assistedinject as a dependency in my project. It specifies the guice artifact as a ... ', classifier: 'no_aop' } 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 Eclipse doing when it says that it's updating indexes?

When I load up a workspace (for Android Java development), Eclipse says in the status bar that it's updating ... how do I safely remove it? 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 can I convert POI HSSFWorkbook to bytes?

Calling Simple toBytes() does produce the bytes but exel throws Warning. Lost Document information Googling around ... getting any warning . 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 - mock nested method calls using mockito

I have got 4 classes lets says A, B, C, D each calling on methods from another one. now I have mocked ... shot? Any help would be appreciated. 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 - problem with INIT=RUNSCRIPT and relative paths

I use maven conventions for source paths (src/main src/test) and i have my sql scripts in src/main/resources/ ... to make this work ? Thanks 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 - GWT: Capturing URL parameters in GET request

I need to build a GWT application that will be called by an external application with specific URL parameters. ... inside the GWT application? 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 - Variables in jsp pages with "included" pages

What are the scoping rules for variables in a jsp page with pages added to them using tags? My understanding is ... it in the child ones? 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 - Maven dependency management for plugin dependencies

Recently, I came accross the following problem : As I set up dependency management for my project, I had child ... does not answer my question 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 there a way to ignore the 'Unreachable statement' error?

Is it possible to somehow ignore this error? I find it much easier to just put return in front of the code ... overlap and behave badly)... 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 - String: How to replace multiple possible characters with a single character?

I would like to replace all '.' and ' ' with a '_' but I don't like my code... is there a more ... because I want it lower-cased 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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289 views

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java - Jackson - @JsonTypeInfo property is being mapped as null?

I have this response: { "id":"decaa828741611e58bcffeff819cdc9f", "statement":"question statement", "exercise_type":" ... i can solve 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 - Listing files in a directory in Clojure

How can I create a list out of all of the files in a specific directory in Clojure? Do I have to ... or can Clojure handle this natively? See Question&Answers more detail:os...

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

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338 views

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java - Option to ignore case with .contains method?

Is there an option to ignore case with .contains() method? I have an ArrayList of DVD object. Each DVD ... like it to be case insensitive. See Question&Answers more detail:os...

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

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455 views

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java - What is the proper annotation since @SpringApplicationConfiguration, @WebIntegration, is deprecated in Spring Boot Framework?

What is the proper annotation since @SpringApplicationConfiguration and @WebIntegration are deprecated as of Spring Boot ... unit testing. See Question&Answers more detail:os...

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

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291 views

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java - Regular Expression for matching parentheses

What is the regular expression for matching '(' in a string? Following is the scenario : I have a string str = " ... '(' doesn't seems to work. 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-24' requires JDK 1.8 or later to compile

I use Android Studio and recently got the error: Error:Execution failed for task ':app:compileDebugJavaWithJavac'. ... to fix it? Thanks 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 - I have an error: setOnItemClickListener cannot be used with a spinner, what is wrong?

Kindly This is my code below, and I am pasting the error messages underneath: I am trying to use setOnItemClickListener on ... 694): ... 11 more See Question&Answers more detail:os...

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

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378 views

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java - Encrypting AES key with RSA public key

I'm writing a small application for transferring files, more or less as a way to learn more of the programmatic ... but I'm not entirely sure. See Question&Answers more detail:os...

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

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140 views

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java - ResultSet#getDate() semantics

We migrated from to ojdbc6-11.2.0.3.0 to ojdbc7-12.1.0.1 and observed a change in the ResultSet#getDate() ... Have we encountered a driver bug? See Question&Answers more detail:os...

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

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158 views

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java - tomcat 6 thread pool for asynchronous processing

Short question: Within a Tomcat 6 app - how can I run a (separate) thread-pool? What is the best ... a ThreadPool solution? Any recommendation? See Question&Answers more detail:os...

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

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347 views

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java - Spring support for @Controller given by <context:component-scan /> vs <mvc:annotation-driven>

I've been researching what additional capabilities we have when using the mvc:annotation-driven tag and I'm having ... for any support on 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 - Android getOrientation() method returns bad results

I'm creating 3D Compass application. I'm using getOrientation method to get orientation (almost same implementation like ... , 1f); //AZIMUTH See Question&Answers more detail:os...

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

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238 views

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java - How a JAR file can read an external properties file

We have a connection pooling component (JAR file) for one of our application. As of now the application connection ... to connect, timeout etc. See Question&Answers more detail:os...

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

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435 views

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java - How to send an email using MS exchange server

I am trying to sent an email using my company's mail server. But I am getting the following exception Caused ... 's email address and password. See Question&Answers more detail:os...

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

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211 views

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java - How to programmatically change databases in Spring with one DataSource?

I'm looking to see what's the best way to use one DataSources in Spring but be able to switch the database ... switch databases when I need to? See Question&Answers more detail:os...

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

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