Recent questions tagged java

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java - Can instantiate the type DocumentListener

I need to do this: Value Change Listener to JTextField I'm trying the solution of Condemwnci, but I'm getting ... doing all in the same lines. 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 - Component.setBounds invoking Component.repaint?

So I'm making a game and I have the EnemyAI as well as the player and they both extend JPanel. The world has a null ... (Graphics g){ try { g.drawImage(ImageIO.read(new File("H:...

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

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java - How do I make A JPanel grid?

i'm trying to create a gui for chess-like game (6x6 board with less pieces). creating the board is pretty ... : board with one piece: 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 to download a file and get the path location locally

I have a URL i.e http://downloadplugins.verify.com/Windows/SubAngle.exe . If i paste it on the tab and ... "); } return fileLocationPath; } 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 - Spring Boot Logback DB Appender Properties

Hi I want to use a DBAppenderin my Spring Boot application. I want to retrieve database connection properties ... /connectionSource> </appender> 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 - Problem with adding rows with JDBC and MySQL?

I'm using JDBC in sync with MySQL to add and define rows to a MySQL database's Table. The problem is that ... isn't present in the table? 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 - NBGit to remote host with ssh

I′m trying to get that working: clone a git project from an ssh server with NBGit. I get NBGit installed, works well ... for NB 6.9.1 on Win7 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 - Mapping same class relation

Hi I'm trying to map some classes in hibernate there and have general problem how such mapping can be done. There is ... Map file? I got lost :( 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 - Release different configurations with Maven

I'm currently migrating our build process to Maven from Ant. Our application is deployed to many different customers, ... I should be using? 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 - Selenium WebDriver, Firefox, Centos, unable to find a matching set of capabilities

I have an application that uses Selenium WebDriver to control FireFox. It runs as a Web Application under ... getting some diagnostics 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 - How to capture screenshot of a WebElement within a webpage but not the entire screen or page through Selenium

I have to capture a screenshot of an image of a particular website. Maybe this is 20% off entire screen, I have ... "c:\tmp\screenshot.png")); 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 - Fit image into the printing area

I need to print images in Java. So I implemented print() method of Printable interface. But printer always prints ... y)); return PAGE_EXISTS; } 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 - JTable Boolean.class

import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; ... a result of value1. 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 - Reading PKCS8 in PEM format: Cannot find provider

Trying to read a PKCS8 private key in PEM format with the following: private static PrivateKey loadPrivateKey( ... BouncyCastle's libraries. 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 use the Swing Timer to delay the loading of a progress bar

I need to find a way to use the Swing Timer with a progress bar. I tried using Thread.sleep(), but it ... bar. o.Eros opens anotherr GUI. 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 - Validation of text fields and contact no text field

I have a JFrame consisting of some text fields (10) and a TextArea. I want to validate all the text fields ... ) button.setEnabled(true); } } 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 - Adding up all the elements of each column in a 2D array

So I have this dummy 2D array: int mat[][] = { {10, 20, 30, 40, 50, 60, 70, 80, 90}, {15, 25, ... , is there a way to print it out by columns? 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 - Mapping same class relation - continuation

This post is an continuation of this post I have DlUser Class each object of this class may have DLFaceBook class ... I make this code work? 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 - JApplet - super.paint(); causes flicker

I'm writing a JApplet right now, and whenever I call super.paint(), the applet flickers. I am using double ... drawString(drawstring, x, y); } 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 - Update PieChart in JFreeChart

I have created a PieChart using JFreeChart. I for the life of my cant figure out how to update the chart ... to create an entirely new chart? 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 - Location of String keys in L&F

There are several components in Java that have predefined look and strings of text that are automatically ... BasicFileChooserUI.java... 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 - returning decimal instead of string (POI jar)

I need to read xls or xlsx sheet. successfully I read the sheet, but it returning decimal value instead of string ... I need to return as string 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 find the "href" of the last <tr> element?

ImageI am trying to get the "href" of a particular frame which you can find in the image , i ... ?VType=8&IType=10&JType=IJCIET&PageNumber=1" 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 install plugin while launch the chrome browser?

I am using selenium,cucumber and java for automation testing. I have a requirement of installing a plugin to ... when the browser is opening? 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 - Flush/Clear System.in (stdin) before reading

At work, we have 5 RFID readers attached to a PC running Linux. The readers are all recognized as keyboards and ... Anyone with any more ideas? 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 - Stream groupingBy a list of enum types

I have a Product class: class Product { String name; List<Group> group; //more fields, getters, setters public Product( ... E], BABY=[A, B]} 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 nest an Enum inside the value of an Enum

I'd like to know if it is possible in Java to nest Enums. Here what i'd like to be able to do ... .CAT.breeds.PERSAN Species.DOG.breeds.PITBULL 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 - Selenium Chromedriver server times out despite being available

I have a Java Selenium project that will not run on my machine, but does run on coworkers' machines with the ... helpful to debug this problem? See Question&Answers more detail:os...

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

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