Recent questions tagged Java

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java - how to filter certain characters in JTextField

How to prevent user from entering certain charcters in 'JTextField' and if enters that character is entered ,do not show it in the textfield 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 - Daemon not running. starting it now on port 5037 * Cannot open 'nul': The system cannot find the file specified

Eclipse gives following error while running android program... Error 1: [2015-12-10 16:10:37 - adb] Cannot open ... it. Can you please 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 - How to create custom methods using Struts2 REST plugin

My problem concerns the creation of a custom method within an action. I'm using Struts2 and REST Plugin in order ... it via GET following URL? 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 to mysql. I need convert from string parametre to timestamp

I'm trying to parser String to Timestamp because I need to save this data on bbdd mysql. String dateString: " ... +0000" Can anybody 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 - How to draw a BufferedImage with a color tint

I'm trying to draw a BufferedImage to my Canvas with a varying color tint, but can't find any real working ... my control? 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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772 views

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java - Jaxb marshalling with custom annotations

I have a requirement, to marshall/unmarshall some elements of java pojo depending upon a custom annotation ... pointers are highly 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 - null pointer exception on calling interface method implemented in other class

I am trying to call the method getFailureDialog() of the interface OnSelectedListener. The method is implemented ... myRecord(Common.java:2062) 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 - Print Arabic or other charset in System.out

I'm tyring to print a String with Arabic characters: private static void print(String msg, Object... args) { ... could be missing in my code? 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 spefic the body id attribute in JSF 2?

I need to set the id attribute of the html body-tag (for selenium test). But that JSF 2 body tag (<h:body> ... for the html body in JSF 2? 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 - Setting classpath for a JAR

I have a standalone java project. I have performed a maven clean install. I now go into the targetclasses ... /apache/co mons/logging/LogFactory See Question&Answers more detail:os...

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

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874 views

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java - JGraphT - apply BFS to WeightedGraph

I have written the code finding the optimal path for a Weighted Graph: SimpleDirectedWeightedGraph<String, ... algorithm by myself? 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 - Illegal argument exception: n must be positive

main class: public class ECONAPP2 { static Scanner input= new Scanner(System.in); static int score = 0; static ... what n is representative of ? See Question&Answers more detail:os...

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

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817 views

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java - Passing a date as JSON with Spring MVC and Jackson

I have a class with a java.util.Date field that I wish to pass from a client to a Spring controller. The controller ... :2,"date":"02-01-2014"} 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 - Trailing slash is not inserted in Spring Boot application

Tomcat in Spring Boot is not inserting the trailing slash after context name at URL. It should be done ... how to enable it? 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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626 views

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java - Problems understanding the framework around a JXLoginPane example

I've found a component called JXLoginPane from SwingX available in WindowBuilder and that seems like it would ... alternative to JXLoginPane? 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 - ORA-01017 when connecting through jdbc thin driver

Using the Oracle Database 11g Release 2 (11.2.0.4) JDBC Driver "ojdbc6.jar" (from this page), Oracle ... username/password; logon denied Done! 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 - Bubble sort output is incorrect

This is my bubble sort code but I am confused why the output shows only 125. int secondArray[] = {0, 1, ... System.out.print(secondArray[i]); } See Question&Answers more detail:os...

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

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887 views

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java eclipse create executable jar

I used eclipse to create executable jar. It relies external other jars. In Eclipse, It is simple that you ... using command line as Eclipse. See Question&Answers more detail:os...

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

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699 views

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java - How to set an icon to a JFrame when using createAndShowGUI() method?

I am using a createAndShowGUI() method to create a JFrame. I am trying to set an icon, but when I run it ... ideas where the problem could be? See Question&Answers more detail:os...

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

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872 views

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java - Displaying data from database in JTable

I'm writing a program using jdbc that will be an interface to database(smth like CRUD aplication). I assume ... So my question is still relevant See Question&Answers more detail:os...

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

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895 views

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java - Android | Syntax Error in regexp pattern

I am using \.(.*)} regex pattern to search a specific string in my Android Test Project. when i am using ... .java:367) What is the problem? 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 interrupt Scanner.hasNext()

I've got a thread that reads user input and sends it over the network. The thread sits in a loop like this: ... can I actually quit this loop? See Question&Answers more detail:os...

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

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761 views

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java - Create a gradle dependency to import from git

This is how import dependencies in Android Studio. In this case okhttp: dependencies { compile 'com.squareup.okhttp: ... This would be awesome. See Question&Answers more detail:os...

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

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905 views

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java - How to remove a row in JTable via pressing on DELETE on the keyboard

I know that I can use KeyListener to check if DELETE (char) 127 is pressed or not, but how can I add ... the selected row in JTable } } See Question&Answers more detail:os...

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

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751 views

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java - How to set the image expression to always store the right image path

I'm using JasperReports to create a report dynamically through Java. I have problem with the image expression ( ... help 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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819 views

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java - StartApp Ad not showing on my App

For some reason,StartApp ads are not showing on my application, despite having followed their setup instructions ... (ViewGroup.java:903) See Question&Answers more detail:os...

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

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594 views

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java - TomEE - Unable to create annotation scanner for web module: null

I'm sorry for the vagueness of the question title, but I'm not entirely sure ... ) at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter...

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

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768 views

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java - Write swing component to large TIFF image using JAI

I have a large swing component to write to TIFF. The component is too large to load the TIFF in memory, ... loading the whole thing into memory? See Question&Answers more detail:os...

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

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