Recent questions tagged java

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java - Updating .JAR's contents from code

I am making a game that needs to be updated. I have two JAR files: Update.Jar and Game.Jar Basically, ... the cleanest approach to doing this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Bypass "External protocol request" popup during selenium automation

I'm running an automation on mac and on ubunto (using cucumber, selenium web driver, junit) during the ... help? Any other suggestions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Register font is corrupting .TTF file

On my system I need to register two external font .TTF files: HamletOrNot.ttf (74 KB) MorrisRoman-Black ... maven corrupt resource files? thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How can I set a default profile for the Firefox driver in Selenium Webdriver 3?

I can't set a default profile for Firefox in Selenium Webdriver 3 because there is no such constructor in the ... : Firefox version 62.0.2 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - ORA-12505 :TNS listener does not currently know of SID given in connect descriptor

I am using Oracle database. I've written a small JDBC connection program in Java but I am facing an ... ... The command completed successfully See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - why explicit type casting required from double to float but not from int to byte?

Consider following statement: byte by = 5; //works fine literal '5' is of type int and small enough to fit ... us in case of floating points? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Swing Worker Threads Not Concurrent

It seems that when I instantiate 12 Swing Worker threads, the first six starts to complete its task, it ... Worker threads one may have? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How would one use IDecorationContext api from Eclipse JFace

Is there an example out there for using IDecorationContext for label decorations? By the looks of it, ... their answer faster ;) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Does the Scanner class load the entire file into memory at once?

I often use the Scanner class to read files because it is so convenient. String inputFileName; Scanner fileScanner; ... all at once. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What is the penalty for unnecessarily implementing Serializable?

I need to develop a Java RMI application for my distributed systems class. During the lecture, the professor was ... send it over the network. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why gif animation doesn't animate when using it in paintComponent()?

I'm using paintComponent() to paint a gif animated image at the backgound of JPanel. It shows up the gif but doesn' ... getHeight() / 2, this); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to manually install App Engine in Android Studio?

I just added the App Engine module to my app and upon syncing, gradle started downloading the App Engine zip ... maven's repository? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What is the maximum number of files per jar?

I'd like to know if there is a maximum number of files allowed per jar, after which you can have ... like classes not taken into account? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - why org.apache.xerces.parsers.SAXParser does not skip BOM in utf8 encoded xml?

I have an xml with utf8 encoding. And this file contains BOM a beginning of the file. So during parsing I am ... show me the right way please. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What does Cookie CsrfTokenRepository.withHttpOnlyFalse () do and when to use it?

I am trying to learn Spring Security right now and I have seen many different examples using this. I know ... come with a simple explanation. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Parsing JSON string in android

Parsing JSON seems like it is a pretty common topic of discussion on here. I have looked around and still ... nudges in the right direction? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JTextPane - a phrase with TWO styles

I just faced an interesting thing. I was changing selected text style. The thing is when I change style ... useful comment is much appreciated See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to properly close MappedByteBuffer?

This is the code I'm running: import java.io.RandomAccessFile; import java.nio.MappedByteBuffer; import java.nio. ... is wrong with my code? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - GridBagLayout panels alignment

I have a little issue with the GridBag Layout Manager. I am trying to display 9 panels like this: To do ... ideas and propositions are welcome ! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Flattening nested attributes in Jackson

I have the need of defining a flat POJO that maps its (flat) attributes to a nested object in its JSON ... 't want to create nested subclasses See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Cannot load driver class: com.microsoft.jdbc.sqlserver.SQLServerDriver

I am getting an exception while running my spring boot application, it say unable to create bean of datasource and ... here. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to get line number using scanner

I'm using scanner to read a text file line by line but then how to get line number since scanner iterates through each ... 2.How do I get that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to import value from properties file and use it in annotation?

I have a class that is an entity: Class.java @Entity public class Class { @Id @GeneratedValue private Long id; ... get the result I want? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why does SwingWorker stop unexpectedly?

I wanted to try out some ideas using SwingWorker since I haven't used it too much. Instead, I ran into an ... was the first thing I suspected. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - SAX parser: Ignoring special characters

I'm using Xerces to parse my XML document. The issue is that XML escaped characters like &nbsp; appear ... overridden method is not invoked. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - I/O redirection in Eclipse?

Is it possible to use I/O redirection in Eclipse? I want to redirect standard input/output on the command line like ... . How can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Hibernate - Error activating Bean Validation integration

I am trying to set up Hibernate. But when i try to create my Session Factory, with this code: Configuration ... Thanks a lot for the hints! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Intellij Gradle terminal ERROR: JAVA_HOME is not set

In IntelliJ IDEA, using the Gradle window I am able to execute any and all Gradle tasks. However, when ... tasks would be greatly appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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