Recent questions tagged JAVA

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java - find archery target in image of different perspectives

I'm trying to find a way to identify an archery target and all of its rings on a photo which might be made ... me know if you need more 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 to show in listview??(using okhttp library)

@Override public void onResponse(final Response response) throws IOException {//okhttp onresponse method try { String json = ... return vi; } } 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 - Gradually speeding a sprite

I'm trying to make the sprite speed-up gradually on button press and not to move constant speed only. Also set a max- ... y += dy; repaint(); } 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 - Android - Volume Buttons used in application when phone is locked or sleep mode

I want to control my android application using volume button which run in phone background all time or not. If i ... It is possible or not.. 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 - Adding background image to JPanel on button action

What is the best way to add a background image to a JPanel/JLabel when a JButton is called? I know how ... change when that button is pressed. See Question&Answers more detail:os...

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

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191 views

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java - poi wrong date formula value calculated

I have the following code public boolean processCell(boolean hasData, StringBuffer rowData, Cell cell) { switch ( ... to resolve 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 - JFrame freezes while running the code continuously

I have problem while working with JFrame, which get freezes while running the code continuously. Below is my code: ... any log in the textarea. 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 - Unable to test the GMail custom actions

I have been trying to test GMail actions for a few days but it does not seem to work. Since I am not ... { throw new RuntimeException(e); } 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 - UnsupportedOperationException with DriverManager.getConnection() on Android

I am unable to connect JDBC to my database, getting following error Error : E/AndroidRuntime: FATAL EXCEPTION: main ... printStackTrace(); } } } 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 - spring annotation not working

I am starting with Spring Framework and want to do a HelloWorld with annotatios, I've made it work creating a controller ... "); return mv; } } 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 - How to read jrxml file inside the jar file?

I have a bunch of iReport source code (jrxml) locate inside the workspace with the following path: <project>/report/ ... can read 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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221 views

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java - Swing Graphics on JFrame

Using Java Graphics, I tried to draw a simple rectangle. As Applet it runs well but when I use it ... like JFrame,JPanelorJTextarea` etc. See Question&Answers more detail:os...

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

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118 views

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java - ExpandableListView: Get input values from childs

I'm parsing a JSON into a ExpandableListView, on each child the user can select the amount of each ... "wrap_content" android:padding="@dimen/default_padding" android:background="...

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

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171 views

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java - My GUI is frozen

I have something I can't understand: my Swing GUI contains a 'play' and 'pause' button. I have also a static ... and forgive my bad english... See Question&Answers more detail:os...

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

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671 views

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java - JTable will set to editable after converting ResultSet to TableModel with DbUtils. How to make it non-editable again?

Here is My Code for doing this` public static void addSong(String[] fileDetail, JTable SongData_Table) { try { con = ... Stmt " + e); } } See Question&Answers more detail:os...

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

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246 views

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java - Draw custom borders for table with more flexibility in itext7

Previously I asked a question about drawing custom table borders: Draw custom borders for table spanning across more ... borders 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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188 views

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java - How a run() method is called when we extend Thread class

While going through the source code of java.lang.Thread class. Curiously I wanted to see how a run() method ... when I extend Thread class? See Question&Answers more detail:os...

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

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193 views

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java - about opengles and texture on android

As we know,in the OpenGL ES the class Renderer on android has 3 function:onDrawFrame, onSurfaceChanged, onSurfaceCreated. ... help me. 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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289 views

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java Regex - split but ignore text inside quotes?

using only regular expression methods, the method String.replaceAll and ArrayList how can i split a String into ... worldthis*has two tokens See Question&Answers more detail:os...

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

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116 views

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java - disable caching for specific url in spring security

in my situation i have four way to solve my problem: write meta config in my index.html and disable caching ... intercept-url in http tag) See Question&Answers more detail:os...

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

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141 views

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java - Number of consectuive sums error?

I am working on a program that takes an integer and finds the number of combinations of consecutive sums that the ... is what i currently have See Question&Answers more detail:os...

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

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395 views

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java - struts error: The requested resource is not available

Need help in running the sample struts program, it is throwing "The requested resource is not available" error. I ... how to resolve the issue. See Question&Answers more detail:os...

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

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387 views

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java - Sine calculation with Taylor series not working

I wrote a sine function in Java, that should calculate the sine of x like My function looks like public static ... me and 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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247 views

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java - log different log levels to different files with log4j

I am using log4j for logging in my applicaion. I am trying to different level logs in different files but ... </root> </log4j:configuration> 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 - Using circuit breaker in spring boot

I have recently studied the circuit breaker pattern and am doing a POC to implement it in my spring boot application. I ... ; } return null; } } See Question&Answers more detail:os...

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

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223 views

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java me - JSR 256 battery events

How can I detect whenever the power cord is unplugged from electrical socket using JSR 256? See Question&Answers more detail:os...

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

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321 views

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java - Drag and move a picture inside a JLabel with mouseclick

I have an image inside a JLabel. JLabel label = new JLabel(new ImageIcon("C:\image.jpg")); label.setSize(300 ... listeners to add to my JLabel? See Question&Answers more detail:os...

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

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295 views

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java - Main purpose of SwingUtilities invokeLater

I have this code snippet import javax.swing.SwingUtilities; public class Client1 { public static void main( ... will not use SwingUtilities? See Question&Answers more detail:os...

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

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