Recent questions tagged JAVA

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java - Registering a custom ValueParamProvider in Jersey 2.27

I realize that these are internal APIs, but if they're available internally why not make them usable by the ... anymore. Any help 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 - Installing PMD 5.0.4 in Eclipse

Can anybody tell me how to install PMD in Eclipse. I have downloaded PMD 5.0.4 from the following link: http ... not find the file specified". 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 draw part of a large BufferedImage?

I have a 10000x10000 BufferedImage and I'm looking to draw only part of it to a Canvas, is there a way ... without causing the canvas to lag? 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 - NumberFormatException while parsing large numbers?

I know this probably isn't the most efficient way of coding this but it's what I have so far and it works up ... println(big - notBig); } } } 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 - JasperReports: How to add font not in the application classpath

I am trying to use a font, that is not installed on my local OS, with a JasperReports. The jasper ... hope I have included enough details) 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 you start derby in network server mode and still get an embedded connection?

I just want to know how I can start derby in network server mode and still be able to get an embedded connection? Thank you. 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 - log4j2 configuration will not load custom pattern converter

I am trying to create a custom pattern converter for log4j 2.0, but am having issues getting my log4j configuration ... 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 - DatagramPacket to string

Trying to convert a received DatagramPacket to string, but I have a small problem. Not sure what's the best way ... comes out just fine. 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 - Why is my char printing as a number instead of a character?

As per the Java ternary operator expression ? statement1 : statement2, if expression is true then statement1 will ... compiler interpret as int? 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 - Best practice to start a swing application

What is the best practice way to start a java swing application? Maybe there is another way to do it. I want to ... (); } }); } } See Question&Answers more detail:os...

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

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126 views

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java - Extract scala source code from jar

So I have a jar file that contains scala as the source code and I have lost the original code. Is there a ... zero sense. Thank you 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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java - How can i convert Integer value to decimal value?

i have an Integer value: Integer value = 56472201; Where the value could be positive or negative. When I ... the quotient and remainder values? See Question&Answers more detail:os...

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

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283 views

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java - Loading an .obj with JOGL

I have found may tutorials on loading an obj, but nothing on how to load it and use it with java, anyone have links to any useful tutorials? 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 set encodings in Jenkins to UTF-8

Cyrillic symbols in the Console output are not displayed correctly. Jenkins is running through Tomcat / 8.5.11 on ... ="-Dfile.encoding=UTF-8" 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 insert value in data base using sqlite in android?

Can you please tell me how to insert value in database. I just started development in android don't have much experience. ... ): ... 11 more** See Question&Answers more detail:os...

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

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565 views

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java - Transaction roll back is not working in test case in @Nested class of JUnit5

I use spring-boot, JUnit5, Mybatis. @SpringJUnitJupiterConfig(classes = {RepositoryTestConfig.class}) @MapperScan @Rollback ... into @Nested. See Question&Answers more detail:os...

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

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309 views

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java - Can Selenium webdriver attach to already open browser window?

After a lot of searching I believe this feature is not implemented yet- but does anyone know of any workaround ... much appreciated. Thank You!! See Question&Answers more detail:os...

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

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185 views

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java - strange 'out' variable, System.out.println()

Following is the code from java.lang.System class (JDK version 1.6) public final static PrintStream out = ... JLS needs nullPrintStream 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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113 views

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java - How to make a TimeSpinner in JavaFX?

I would like to make a spinner to enter the time just like this : Youtube Vidéo If someone knows where the source ... the result I get : 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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225 views

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java - How does the toString(), ==, equals() object methods work differently or similarly on reference and primitive types?

How does the toString() method, == operator, and equals() method work differently or similarly on reference and primitive types? See Question&Answers more detail:os...

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

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127 views

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java - Dynamic Programming - making change

I'm having trouble figuring out my last section of code for a Dynamic Coin Changing Problem. I have included the ... table[0][targetAmount]; } See Question&Answers more detail:os...

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

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342 views

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java - How to align image to center of table cell (SWT Table)

I develop Eclipse RCP application and got a problem with a Table. We have some data in database in boolean ... -only mode should be enough. See Question&Answers more detail:os...

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

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125 views

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java - How to open new applet window from a applet

how can i open a new applet window from a applet itself? See Question&Answers more detail:os...

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

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127 views

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java - Spring MVC Role and Permission to Admin

I am new in spring mvc , In my existing project , there is one admin and they have rights to update data , ... in spring mvc 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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java - factorial method doesn't work well!

Hi this is a factorial method but it prints 0 in the console please help me thanks public class Demo { public static ... i; } return fact; } } 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 this regex take a long time to execute?

I found out, that for example this line has a very very long execution time: System.out.println( ".. .. .. ... ) line: 11 Why does this happen? See Question&Answers more detail:os...

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

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287 views

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java - Where should the JDBC driver JAR files reside on a Tomcat deployment with a datasource?

I have java web application using Spring, Hibernate, Tomcat7 & MySql. I use Datasource for database operations. I am ... }" /> </bean> See Question&Answers more detail:os...

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

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642 views

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java - Deselect an item on an javafx ListView on click

I'm using a ListView control in a JavaFX application. It is set for MULTIPLE selection mode. I know as a user ... (selectedItem); } } }); See Question&Answers more detail:os...

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

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