Recent questions tagged java

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java - How to restart page number from 1 in different group of BIRT report

Backgroud: Use Java + BIRT to generate report. Generate report in viewer and allow user to choose to export it to ... from 1 for each group. 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 - retrieving data from firebase database and storing in an array list

I am attempting to create a small course aggregator program in the form of an android application. My courses ... 59.675 28709-28709/coursematch.coursematchuk I/System.out: COURSE...

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

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java date format yyyy-mm-dd.hh.MM.ss.ms

I'm receiving a date as a String like this :2015-07-22.06.05.56.344. I wrote a parsing code like ... or java cannot recognize this date format? 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 - JSpinner (Time) in JTable

I am trying to implement an JSpinner for time in to a JTable , it worked preaty goot at the first look but after ... ."); } return 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 - How to specify in Maven extra source/resource folders so IDEs are aware of them?

I'm a Maven beginner, and after some trial and error, I managed to specify different properties files for the ... > </profile> </profiles> 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 - Rendering BufferedImage in JTable cell

I need to display a BufferedImage in one JTable column. I overwrote JTable method @Override public Class<?> ... what I am missing? 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 - Nullpointerexception thrown when trying to findViewById

I have the following Activity: public class MainActivity extends ActionBarActivity { @Override protected void onCreate( ... single FrameLayout. 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 - Using SwingWorker to add a progress bar in a GUI

I use SwingWorker to make a progress bar with Java Swing APIs. I have a class that extends SwingWorker class Swinger ... case after. What to do? 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 - Launch Firefox and Wait until it is Closed

Question I want to start the Firefox web browser as process to visit a specific website, then wait until it is ... and Wait Until it is Closed 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 - Mass produce JTables

I want to make 25 JTables. I generate the table names by doing: for(int i=0; i < 26; i++) { TableNames[i] ... [i] = new JTable(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 - Why the tab widget is above the content in android?

Currently I work on a tabhost layout. In most android app the layout is: tab1 | tab 2 ____________ Tab 1 content ... (0); } Thanks for helping 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 - Not able to write spark dataset to database using jdbc

I need to write my spark dataset to oracle database table. I am using dataset write method with append mode. But ... or any step is missing ? 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 - JEditorPane set foreground color for different words

I am currently working on a text editor, and I have this code which make the background of the specific word different ... ((Color) object); } } 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 disable interaction between buttons of the same layout?

I have two sets of layouts, populated with buttons. Is there a way to disable any interaction between buttons ... buttons" android:gravity="top|center_horizontal" android:tag="r"...

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

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java - Lucene how can I get position of found query?

I have a QueryParser, and I want to find the string "War Force" in my text: TextWord[0]: 2003 TextWord[ ... position of the found query result? 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 - Mapped Statements collection does not contain value for mybatis mapper

I am user mybatis and spring to create some test website. Right now I got a problem when trying to use ... .WsFilter.doFilter(WsFilter.java:52) 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 make a delay in processing project?

I'm using Java within a Processing project. I'm trying to make a delay that doesn't stop the program, but ... 't work in a Processing project. 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 timestamp as LocalDateTime

I want to parse a timestamp in the form of yyyy-MM-dd'T'HH:mm:ss as LocalDateTime. When doing so, it strips the ... and keep the 00 at the end? 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 - Can't add days to Calendar

I am trying to write something that allows someone to check an audio book out for class, and it should set a ... , 14); return duedate; } 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 - System.in.read() does not read

I am new to Java, so please forgive me if it is a very small mistake, here's my code: import java.io. ... loop. Thank You for your help. 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 do I output the location using gps on Android

I am trying to output the location into a textview. I have used the locationManager.toString(), but it would ... startActivity(intent); } }); 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 - Using JProgressBar while converting image to byte array

The following is a simple code for converting an image to byte array (Which is already shown in this forum): ... here. Thank you 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 eliminate delay in keyPress?

So I have seen a few threads about this already and I need some help about how to fix it specifically. When ... if there is a better solution. 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 - Get all shapes in ShapeGroup

My code basically like this: worksheet.getDrawingPatriarch().getShapes().get(0) This will return the XSSFShapeGroup ... them from the group. 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 - Can I import org.eclipse.jdt.core into Netbeans?

I am using a this project on the project that I am developing in Netbeans. Basically, I copied the 3 source ... problem? Can someone help me? See Question&Answers more detail:os...

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

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318 views

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java - Incorrect Timestamp Value - c.getTimeInMills()

I have a DatePicker which is working correctly, however, when I convert the date to a timestamp, the timestamp is ... , or how to fix 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 - How create progress bar while file transferring

import java.awt.Component; import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; ... in the wrong path. 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 - Ignore Serialize field based on another field value

I have a class like this: public class Profile { private String firstName; private String lastName; private String ... of isNameSecret is 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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