Recent questions tagged Java

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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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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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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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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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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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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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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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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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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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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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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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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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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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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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222 views

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java - ant filtering - fail if property not set

I've got a ant build.xml that uses the <copy> task to copy a variety of xml files. It uses filtering ... I can spare myself the effort. 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 - Jackson JSON deserialization with multiple parameters constructor

I've been using FasterXML/Jackson-Databind in my project for a while now, and all was working ... parameter constructor without 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 - "Unable to get provider com.google.firebase.provider.FirebaseInitProvider" Error path Android

I have an Application which is connected to firebase.The problem is when install the app in device(working on several devices ... (); } } } } 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 open/run .jar file (double-click not working)?

I can't open or run my .jar file. I just installed java, but I tried to open the .jar with other programs ... executable (but I think it does). 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 - Why spring boot generates jar or war file with .original extension?

Why after building spring boot app, it generates two jar or war files with .original extension? I ... application.war application.war.original 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 - Want to specify jar name and version both in build.gradle

I want to specify the jar name and version in build.gradle, so my build.gradle looks like below. apply plugin: ' ... so how can I achieve 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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211 views

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java - Show decimal of a double only when needed

I got this problem with double (decimals). When a double = 1.234567 Then I use String.format("%.3f", ... more "friendly" code for 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 - Disable JButton focus border

I have a problem with JButton in Java. Basically, I want to disable the button's border (the button is added ... (with a light-blue background)? 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 - Unable to put null values in JSON object

I am trying to pass parameter to api using JSON. class Sample { ... String token; ... void method ... that uninitialized value are not included? 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 - Velocity string function

I just start using Java Velocity. Now I want to create a java class template. package $app.package_namespace public class ... know how to do 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 - Default for XX:MaxDirectMemorySize

What is the default value for XX:MaxDirectMemorySize? 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 get the "Eclipse >Generate>Jaxb classes" option back?

I recently had to migrate to a new machine and re-installed Eclipse. At the moment, I need to generate JAXB classes from ... .6 and Java SE 1.6. See Question&Answers more detail:os...

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

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