Recent questions tagged JAVA

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java - charAt() or substring? Which is faster?

I want to go through each character in a String and pass each character of the String as a String to another ... be faster or more efficient? 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 - Eureka service discovery without Spring-boot

I have written a spring boot micro-service and a REST client. The client is a part of another module ... client without using the annotations ? 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 - Pass variables between renderer and another class with queueEvent()

I want to pass my renderer some values from another class. After the renderer has calculated the values, I have a ... d be happy to hear him. 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 - onPageFinished not firing correctly when rendering web page

For some reason the onPageFinished is firing before the WebView has finished loading - I can't figure out why ... have any experience with 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 - The Old "@Transactional from within the same class" Situation

Synopsis of the original question: Using standard Spring Transactions with AOP proxying, it is not possible to ... the application context file. See Question&Answers more detail:os...

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

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284 views

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java - SAX vs XmlTextReader - SAX in C#

I am attempting to read a large XML document and I wanted to do it in chunks vs XmlDocument's way of reading ... it. I am looking for specifics. 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 - SWIG: How to wrap std::string& (std::string passed by reference)

I am using SWIG to access C++ code from Java. What is the easiest way to expose a std::string ... interested in hearing about easy approaches. See Question&Answers more detail:os...

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

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219 views

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java - Does jvm load all the classes mentioned by the classpath?

When we invoke java command with -cp command then we provide some directories and jar files. Does jvm load all ... up to load when required? 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 generated keys from JDBC batch insert in Oracle?

I am inserting many records using JDBC batch inserts. Is there any way to get the generated key for each ... result. Any other solutions? 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 isolate your program from calls to a "bad" API?

When I developed a piece of (academic) software using Java, I was forced to use an API that was rather ... like a reliable approach either. See Question&Answers more detail:os...

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

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181 views

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java - How to change Ant compiler to JDK 1.6

I need to compile my source code to be compatible with jre 1.6. However, when I attempt to set the compiler ... and how might I do that? See Question&Answers more detail:os...

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

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293 views

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java - Itext embed font in a PDF

I have a pdf that has been created using the Foxit form designer. On my design system, I have the barcode ... font(barcode) will not print. See Question&Answers more detail:os...

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

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215 views

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java - Ant string functions?

Does Ant have any way of doing string uppercase/lowercase/captialize/uncaptialize string manipulations? I looked at ... Is that anything else? 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 Compile Error

When I build and run my program in Netbeans, it works without a problem. But with same pom.xml file ... token = locatedBlock.getBlockToken(); 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 - Would Stream.toList() perform better than Collectors.toList()

JDK is introducing an API Stream.toList() with JDK-8180352. Here is a benchmarking code that I have ... . Is that understanding correct? See Question&Answers more detail:os...

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

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198 views

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java - Maven Invoker: IllegalStateException

I have a multi-module Maven project (https://github.com/veniltonjr/msplearning) One of my modules I ... Thanks @RobertScholte and @khmarbaise! See Question&Answers more detail:os...

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

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145 views

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java - Using EJBContext getContextData - is this safe?

I am planning to use EJBContext to pass some properties around from the application tier (specifically, a ... -like structure ultimately? See Question&Answers more detail:os...

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

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234 views

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java - Injecting Properties using Spring & annotation @Value

I am trying to load a properties file into a Spring bean and then inject that bean into a class. The only ... Update: Spring Config: Java 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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165 views

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java - Is the source code of native methods available?

At first I want to let you know that this question is not related with What is native implementation in Java. ... () or other native method. See Question&Answers more detail:os...

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

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240 views

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java - How can I log RESTful post data?

We have REST services exposed via Spring MVC. We use a HandlerExceptionResolver to log exceptions. We currently log the ... on how to get 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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177 views

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java - Recyclerviews in ViewPager

I'm trying to get this working: I basically want two Recyclerviews in one ViewPager. I followed this Tutorial: http: ... 0)).swapCursor(data); } See Question&Answers more detail:os...

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

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242 views

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java - Transparent JPanel

I want to create a semi-transparent JPanel. I've done it by simply using RGBA value of color constructor but ... contentPane.add(panel_1); } } See Question&Answers more detail:os...

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

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163 views

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java - High Performance JMS Messaging

I read slides from this year's UberConf and one of the speakers is making the argument that Spring JMS adds a ... . why go slower?!?)? See Question&Answers more detail:os...

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

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273 views

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java - Can I propagate struts2 ActionErrors between different action classes?

If I have an action where the result is a redirectAction to another action in a different class, is it possible ... > </action> </package> See Question&Answers more detail:os...

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

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358 views

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java - JUnit test class order

I have a java app with maven. Junit for tests, with failsafe and surefire plugins. I have more than 2000 ... begining of the verify process? See Question&Answers more detail:os...

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

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223 views

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java - Reconnecting JMS listener to JBossMQ

We have a Java listener that reads text messages off of a queue in JBossMQ. If we have to reboot JBoss, ... will be greatly appreciated. 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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289 views

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java - JTree with checkboxes

I need to add checkboxes to a JTree. A custom TreeCellRenderer/TreeCellEditor seems like the right approach. So far ... my own checkbox tree) See Question&Answers more detail:os...

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

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475 views

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java - Spring-boot with spring-mybatis - how to force it to logging all SQL queries

I have a simple spring-boot-mybatis app (keep in mind, please). Mybatis is logging SQL queries only in ... .properties ? 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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