Recent questions tagged JAVA

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i have bunch of buttons within linear layout. But there is spaces buttons. I set padding as 0 but there no change ... . Can you plese 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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java - Getting a directory inside a .jar

I am trying to access a directory inside my jar file. I want to go through every of the files inside the ... contents of Images inside the 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 - How to create an oracle.sql.ARRAY object?

This question is related to my original issue How to return an array from Java to PL/SQL ?, but is a more ... m not a Java programmer (yet). 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 JsonParseExceptionMapper and JsonMappingExceptionMapper shadows custom mapper

My project uses Spring Boot + Jersey 2. I created custom Jackson mapper for JsonParseException, but it ... with my implementation? 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 does the getResource() method return null in JDK 11?

Simple Java program: public static String loadText(String file) { StringBuilder finalString = new StringBuilder(); InputStream ... 12 (4.10.0) 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 - JOptionPane showInputDialog position

How can I specify the position of a JOptionPane. Can anyone make a class that extends JOptionPane.showInputDialog that ... in an x,y position? 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 - URLConnection FTP list files

URL url = new URL("ftp://user:[email protected]/thefolder/"); URLConnection connection = url.openConnection(); ... { ex.printStackTrace(); } 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 : manually select main class for executable jar file

I have java project, and many class that have main method (just for testing purpose). When I create executable ... create Jar file. 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 - Read an encrypted private key with bouncycastle/spongycastle

I have a password protected, encrypted RSA private key, which was created with PyCrypto (2.6.1) and has according ... anyone could help me 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 - Remove padding/margin from JavaFX Label

Is there a way to remove the default space (padding/margin) that JavaFX label adds? I want to get rid of the ... ); primaryStage.show(); } } 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 to retrieve lambda expression at runtime

I was playing with Java8 Lambda last night and I was wondering if it is possible to retrieve the Lambda expression ... ;-) Best regards, Xavier 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 - custom Guice binding annotations with parameters

I have successfully created a Guice binding annotation to inject single threaded java.util.concurrent.ExecutorService ... a Guice Provider? See Question&Answers more detail:os...

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

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558 views

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java - How to add array to okhttp body (POST)

Now i`m adding array as string to body: RequestBody body = new FormEncodingBuilder() .add("profiles", "[122, ... ? Is it posible with okhttp? See Question&Answers more detail:os...

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

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413 views

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java - creating json string using JSONObject and JSONArray

I have data like this: NewsItem : id title date txt There may be many NewsItems say 10. I have to send ... with example of parsing in jQuery. 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 - Jtable as a Jtree Node

I know you can create a table and add a JTree as a column. But what I want to do is the complete ... was able to get the following image: See Question&Answers more detail:os...

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

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392 views

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java - Generating random BigDecimal value from given range

I need to generate random BigDecimal value from given range. How to do it in Java? See Question&Answers more detail:os...

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

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366 views

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java - SQLException: Protocol violation. Oracle JDBC Driver issue

I'm getting the following excpetion: java.sql.SQLException: Protocol violation at oracle.jdbc.driver.DatabaseError. ... 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 - Checking if an int is prime more efficiently

I recently was part of a small java programming competition at my school. My partner and I have just finished our ... help you guys offer!!! See Question&Answers more detail:os...

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

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253 views

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java - JavaFX FXML controller ClassNotFoundException

I am trying to get a TableView in JavaFX to dynamically display content. When I run my program I get this error: java ... ) { launch(args); } } 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 - Color row in JTree

I'd like to color elements in a JTree. However, simply adding a background color only to the label looks kind ... d prefer either this or 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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203 views

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java - JCombobox focusLost is not firing-why is that?

I have a JCombobox in my code. I have added the FocusLost event. But it didn't fired anyway. I have tried ... suggest me what I am doing wrong. 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 set an Application's Icon Globally in Swing?

I know I can specify one for each form, or for the root form and then it'll cascade through to all of ... those I might forget. Any suggestions? See Question&Answers more detail:os...

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

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452 views

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java - How to convert an 18 digit numeric string to BigInteger?

Could anyone help me in converting an 18 digit string numeric to BigInteger in java ie;a string " ... as 0x9999999999999999 numeric value. See Question&Answers more detail:os...

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

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146 views

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java - ELException Error Reading ... on type

I'm getting an exception when displaying my jsp page that tries to invoke a function defined getCurrentlocation() ... me out! Thanks, Benjamin See Question&Answers more detail:os...

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

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286 views

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java - How to read multiple properties having the same keys in Spring?

I am facing a simple problem here. I have two properties files I want to read to create two datasources. Yet ... is called? Thanks for helping! 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 - JKS protection

Are JKS (Java Key Store) files encrypted? Do they provide full protection for encryption keys, or do I need to ... Is any of this configurable? See Question&Answers more detail:os...

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

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368 views

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java - ScheduledExecutorService, how to stop action without stopping executor?

I have this code: ScheduledExecutorService scheduledExecutor; ..... ScheduledFuture<?> result = scheduledExecutor. ... it will 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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170 views

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java - Choose order to execute JUnit tests

I wanted to choose the order to execute the JUnit tests. I have 4 classes with several test methods in it, my ... A. Would you help 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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