Recent questions tagged JAVA

0 votes

114 views

1 answer

i have two classes in java as: class A { int a=10; public void sayhello() { System.out.println("class ... : A cannot be cast to B See Question&Answers more detail:os...

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

0 votes

126 views

1 answer

java - Change JFreeChart Histogram colors dynamically?

I'm trying to show the histogram of an image and show only some colors. I've already done that with JFreeChart ... Is there anyway to fix this? See Question&Answers more detail:os...

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

0 votes

284 views

1 answer

java - Can't build a gluon project for mobile using gradle

I followed the instructions on http://docs.gluonhq.com/charm/4.0.1/#_getting_started. I'm using eclipse 4.5.2 and ... android. How do I do that? See Question&Answers more detail:os...

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

0 votes

193 views

1 answer

java - Display an ASCII diamond with nested for loops

I am trying to display a diamond of asterisks using nested for loops. Here is my code so far: public class ... at 7 asterisks and 2 spaces? See Question&Answers more detail:os...

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

0 votes

276 views

1 answer

java - Assign a subclass of a Generic class to a super class of this class

I have couple of supplied interfaces public interface Finder<S extends Stack<T>,T extends Item> { public S ... in the implementation as well. See Question&Answers more detail:os...

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

0 votes

311 views

1 answer

java - logback create log files inside folder having name as current date

In my current project i want to create log files date wise i.e. log files should reside inside folder having ... > </encoder> </appender> See Question&Answers more detail:os...

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

0 votes

214 views

1 answer

java - WebView NOT opening android default video player?

when I view this page on my android device' default web browser and click the first video, it triggers the default ... -for-android/"); } } See Question&Answers more detail:os...

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

0 votes

223 views

1 answer

java - JavaFX custom css cursor

I am searching the web but i can't find how to set a custom cursor in javaFX with css , i know how to do ... to create a costume one with css? See Question&Answers more detail:os...

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

0 votes

283 views

1 answer

java - JDBC Select batching/fetch-size with MySQL

I have a Java application using JDBC that runs once per day on my server and interacts with a MySQL database ... share the same physical memory. See Question&Answers more detail:os...

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

0 votes

235 views

1 answer

java - Get a component from a JTextPane through javax.swing.text.Element?

I am using a JTextPane to display characters and symbols, where the latter are represented by custom painted ... from the text pane? See Question&Answers more detail:os...

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

0 votes

509 views

1 answer

java - JasperReports: Can't locate subreport

It's drives me crazy.. Last hour I am trying to figure out why my report stopped to worked right after I ... valid/path/sub.report.jasper WHY?? See Question&Answers more detail:os...

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

0 votes

467 views

1 answer

java - How to retrieve the last document in a firebase collection. I would also like to get the document fields value

How to retrieve the last document from a Cloud Firestore collection? I would also like to get the document fields ... Here this the image below: See Question&Answers more detail:os...

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

0 votes

415 views

1 answer

java - How to wait for a JFrame to close before continuing?

My program consists of 3 main 'sections'. Main function, Login form and App form. The main function should ... please, what would you suggest? See Question&Answers more detail:os...

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

0 votes

313 views

1 answer

java - Change expand and collapse image TreeView JavaFX 2.2

Is it possible to change the Expand and Collapse Images of a JavaFX 2.2 TreeVIew? Change this image, To an image like this (with +/-), See Question&Answers more detail:os...

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

0 votes

110 views

1 answer

java - Generic types in annotations

Consider the following code: import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; public ... clear reason why? See Question&Answers more detail:os...

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

0 votes

156 views

1 answer

java - Incorrect parsing of date strings in SimpleDateFormat

I'm trying to convert a string formatted date in UTC to a date object which is resulting a conversion that is ... Any idea what is going wrong? See Question&Answers more detail:os...

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

0 votes

130 views

1 answer

java - Is there a way to populate a map in JSP?

For example <jsp:useBean id="total" class="java.util.LinkedHashMap"/> // need somehow do something like this: ... but a little bit ugly) See Question&Answers more detail:os...

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

0 votes

217 views

1 answer

java - How to deploy the same web application twice on WebLogic 11g?

We have developed a JEE5 web application (WAR) and running it in production under WebLogic 11g (10.3.5). Now the ... a better way to solve it? See Question&Answers more detail:os...

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

0 votes

165 views

1 answer

java - XMLStreamWriter writeCharacters without escaping

How do I use XMLStreamWriter to write exactly what I put in? For instance, if I create script tag and ... single quotes surrounding hello world. See Question&Answers more detail:os...

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

0 votes

338 views

1 answer

java - How to update the same EditText using TextWatcher?

In my Android application I need to implement a TextWatcher interface to implement onTextChanged. The problem I have ... achieve this? Thanks. See Question&Answers more detail:os...

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

0 votes

312 views

1 answer

java - JPanel said to be opaque what does that mean?

In Swing JPanel said to be opaque, what does that mean? Also how JPanel VS JComponent compared in relation to ... in advance for your help See Question&Answers more detail:os...

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

0 votes

253 views

1 answer

java - Set the text color of calendar view month name

In android , i am using an default CalendarView. I have set the background to light gray color. But can i ... of month view of calendar view? See Question&Answers more detail:os...

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

0 votes

250 views

1 answer

java - android-support-v7-appcompat library project won't work

I am trying to add Support Library v7 to my clean android project as support library (with resources). I followed ... too. Thanks in advance :) See Question&Answers more detail:os...

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

0 votes

183 views

1 answer

java - Why is the ObjectFactory not used during unmarshalling?

I have defined the following ObjectFactory: @XmlRegistry public class ObjectFactory { public Dogs createDogs() { return ... here and here. See Question&Answers more detail:os...

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

0 votes

339 views

1 answer

java - JTextPane doesn't display JScrollPane and doesn't Wrap Text

I need to display links so I'm using JTextPane with setContentType. However, the content doesn't wrap and there's no ... ); } } My result: See Question&Answers more detail:os...

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

0 votes

178 views

1 answer

java - Can CSS in Javafx be used for animations?

Here is the link to the animations in CSS https://daneden.github.io/animate.css/ Can you use these in Javafx? See Question&Answers more detail:os...

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

0 votes

131 views

1 answer

java - Specifying the location of Canvas in Swing

I'm learning Swing GUI design. One thing I haven't quite sorted out is how to add an add a Canvas to a ... inst1 = new frame_class2(); } } See Question&Answers more detail:os...

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

0 votes

236 views

1 answer

java - Why does this class behave differently when I don't supply a generic type?

I don't understand why this confuses the compiler. I'm using the generic type T to hold an object that's not ... .get(String.class); } } } See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags