Recent questions tagged java

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java - Adding multiple images in single JPanel

I have a JPanel I want to add the multiple images in that panel & also offer a vertical scroll to show the images ... sizes. 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 - SSLServerSocket and certificate setup

I wrote a client/server Java program using ServerSocket and Socket objects. I then modified the code to use ... it in the right place. 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 - Create rectangle with mouse drag, not draw

I want create a rectangle using the whole screen. By using the whole screen, I mean something like this: To ... in a new java.awt.Rectangle. 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 - Retrieve Object from Solr

So, I have a java based web project that displays information retrieved from 3 separate services, hosted on different ... am new to solrj)? 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 - i18n Interceptor usage in Struts2

I want to make a site multilingual. I have an normal interceptor stack which contains <interceptor-ref name=" ... write my own interceptor ? 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 - android spinner change font typeface

i'm going to change text typeface to arialbold in my spinner how i'm going to do so. Below ... spinner_item); ddlGender.setAdapter(genderAdap); 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 - Serialize a JAXB object via its ID?

In my data model, I have something to this effect: @Entity public class Target { @Id @GeneratedValue private ... without modifying my model? 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 - jScrollPane can't add component

I have a jScrollPane and a button on a form. The button adds a component to the jScrollPane. I'm using ... (new FlowLayout(FlowLayout.CENTER)); 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 the first part of a file using HTTP

I would like to determine the type of a file (generally UTF-8) by reading the first part of the file and analysing ... , e); } return text; } 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 schedule a task at specific time?

i have one problem with java scheduler,my actual need is i have to start my process at particular time, and i ... i specify my start time } } 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 - Finding the mathematical algorithm to which matches an input and output together

As an end result, I would like a computer program which can accept a list of inputs and outputs and ... get rather complicated rather fast. 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 - JComboBox change drop-down popup

basically is popup for a JComboBox displayed below its derived JTextField, how can change direction from bellowed ... component; } } } 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 - creating 10.000 connected hexagon page?

I am trying to create 10.000 hexagon connected each other like bee combs.I want to create all of this as a element that ... (x, y, n); } } 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 the execution order between the printStackTrace() and the other methods appear to be nondeterministic?

In my code snippet below, the printStackTrace() method is called in the catch block. After running the program you can ... out.println(); } } } 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 - Writing data to text file in table format

So far I have this: File dir = new File("C:\Users\User\Desktop\dir\dir1\dir2); dir.mkdirs(); File file = ... 1 data 2 Would prefer it that way. 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 recalculate page number when combining multiple jasper reports in export?

I have decided to pass this Q/A after receiving both questions in chat and comment on answer on how to ... considering my final combined report. See Question&Answers more detail:os...

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

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107 views

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java - Error of int cannot be dereferenced?

I am getting an error with this constructor, and i have no idea how to fix? I am a beginner at java. This is ... = intArray[i].toString(); } } 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 - Required jars for RestEasy Client

I need to provide a java REST client, which should contain all required jars in one bundle. I chose ... .invoke(MyResponseObject .class); 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 - Clustered Singleton using Wildfly?

I'm trying to create a simple clustered Singleton on Wildfly 8.2. I've configured 2 Wildfly instances, running in ... you can give me! 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 - Parsing and modifying xml string with sax parser

I have an XML file, I need to search for a specific tag in it and update it's value. The problem is that ... okay? Or what would you recommend? 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 - Is it possible to create nested RDDs in Apache Spark?

I am trying to implement K-nearest neighbor algorithm in Spark. I was wondering if it is possible to work with ... in the fist place? 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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247 views

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java - cannot receive out parameter from oracle procedure executed by mybatis

I develop java application using Spring 3.0.5 and I work with database Oracle using mybatis-spring. I' ... sql.SQLException: Invalid column type See Question&Answers more detail:os...

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

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272 views

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java - Selecting Nth-of-type in selenium

I'm trying to use By.cssSelector to grab the nth dom element with class c3 with a structure like this: <div class ... 29/30) and Firefox (24/25) 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 - Is Selenium WebDriver thread safe?

More specifically, is it safe to perform multiple operations on a single WebDriver/WebElement simultaneously? i.e. ... t find any confirmation. 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 - MessageFormat header/footerFormat how to change Font for JTable printing

in relation to this thread I have a question if someone to know if is possible to override/change larger ... ") and JTable#print() separatelly 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 - Connecting to excel sheet using jdbc without specifying DSN to Excel sheet

I want to connect to an excel sheet using jdbc or some other method but i do not want to specify DSN for the ... If yes how ? 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 save many objects in a spring <form:form>

@Component @Entity @Table(name="menu") @Configurable public class Menu implements Serializable{ .... @OneToMany(mappedBy= ... 'voceMenuList[0]' 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 - JDK 10 cannot import javax.xml.namespace in Eclipse

It's very strange. I am moving a dynamic web project from Java 8 to Java 10. The last thing I cannot get ... QName cannot be resolved to a type. See Question&Answers more detail:os...

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

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