Recent questions tagged Java

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I am a junior android developer and I almost finished the alpha version of my first big project. I think that ... is welcome. 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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java - Error:(30, 0) Could not find method compile() for arguments

I get this error. I'm pretty confused because i check everything in sdk manager and it's all updated (i think ... } or is something missing...? 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 - Tabhost- Android ViewBadger badge issue

In my application i want to show the badges on one tab. For that i used the android-viewbadger.jar file Android ... 2); my output will be this 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 - Island grammar antlr3

What are and how to use the "island grammar" in antlr3? 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 - JSP: drop down list 2 depends on drop down list 1

I am having difficulties while dealing with two linked drop down lists which the drop down list 1 will fetch the values ... ); } %> </select> See Question&Answers more detail:os...

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

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486 views

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java - How to export HTML text with embedded images (base64, data uri) using the htmlcomponent?

We have HTML from database, and we would like to create a Word report with this HTML. This HTML comes from ... written as-is on the report. 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 - Confusion in Struts 2 MVC architecture

I am studying the Struts2 in Action and come to know that Controller in Struts 2 is FilterDispatcher and Model is ... of the above is wrong? See Question&Answers more detail:os...

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

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452 views

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java - How to create/update/load a HTML file at runtime

I need to create and open an HTML file at runtime. <html> <body> <form name="Home" method=" ... creating XML file using XmlSerializer 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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java - String to asterisk, masking password

I'm creating this simple login code for an ATM machine. You enter username and password and you logs in, that ... any help I could get. 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 - mark/reset exception during getAudioInputStream()

I posted a fix of a problem (explained below) but haven't been able to confirm if it solves the problem. Could ... 't been able to confirm this! See Question&Answers more detail:os...

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

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576 views

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java - Cannot run flutter doctor --android-licenses

I want to use flutter on my computer, I use Android Studio and Visual Studio Code. when I was ... %JAVA_HOME%in C:xamppphp C:flutterin 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 - Implementations and Collections

Why does this not work... public ArrayList<Edge> getEdges() { return A; //A is an Arraylist of type 'Action ... Edge getEdges(); Thank You, Chet 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 - Why does the size of the JFrame exceed the size of its ContentPane, even though it has a defined size?

I noticed a strange behavior between containers in the swing. To exemplify the test, I created a JFrame and a ... ? Why does this occur? See Question&Answers more detail:os...

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

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636 views

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java - Change image layout or wrap in DOCX with Apache POI

I paste image into docx programmatically. But in result the layout does not suit me. Faced a lack of documentation ... 3</version> </dependency> See Question&Answers more detail:os...

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

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542 views

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java - Why does JasperViewer only works on localhost?

I was just wondering why JasperViewer only works on localhost. When I deployed my project to server, clients can not be ... (print, false); }... See Question&Answers more detail:os...

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

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551 views

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java - How to create directories for Logger files through FileHandler

I am trying to create logs in directories where each directories are created day wise, but fileHandler is ... possible through fileHandler ? See Question&Answers more detail:os...

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

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658 views

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java - Sikuli UnsatisfiedLinkError when using sikuli-script.jar

I'm on Windows 7 32bit, Java JRE6 31 installed and using Sikuli X 1.0rc3. I want to launch a test ... file unfortunately. Hope I could help! See Question&Answers more detail:os...

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

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492 views

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java - How to allow "/api/**" through my basic auth config and into my oauth config in Spring Security

I have an app that uses both Basic Auth and OAuth2. Some URLs are authorized using Basic Auth and "/api/* ... done. Any thoughts / suggestions? See Question&Answers more detail:os...

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

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544 views

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java - paintComponent is executing twice

This is bothering me, my code works and runs but when I went to run it, it seems to be looping my for loops ... (); frame.setVisible(true); } } 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 - Resource Leak Error

Evening all. I am a complete beginner to programming with Java, and I am learning about "Scanner", but when I ... (scanner.nextLine()); } } See Question&Answers more detail:os...

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

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496 views

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java - send text from android to pc via wi-fi connection

I'm new to android programming and stackoverflow. I want to create an app that sends some info (like a text ... ? Sorry for 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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532 views

1 answer

java - How StringBuffer behaves When Passing Char as argument to its Overloaded Constructor?

StringBuffer sb = new StringBuffer('A'); System.out.println("sb = " + sb.toString()); sb.append("Hello" ... is this strange behavior with char ? See Question&Answers more detail:os...

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

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416 views

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java - Drawing a rectangle over an existing Graphics page

I have a Java application which draws a drawing. I want to give the user the possibility to mark an area with the ... true; 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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441 views

1 answer

java - JSON: Nested Array

I have a program that retrieves data from a Database (data store in JSON MySQL). public static int selectData(Connection ... 1, 7:1} Thank you. See Question&Answers more detail:os...

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

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534 views

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java - Count occurrences of each unique character

How to find the number of occurrence of every unique character in a String? You can use at most one loop. please post your solution, 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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451 views

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java - Font (Myanmar3) not rendering correctly in iText

In jasper-reports section there is this jasper-report-character-encoding-in-pdf question. The problem can not be ... these kind of fonts? See Question&Answers more detail:os...

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

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432 views

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java - File Shredding Concept question

I have a file shredder on my computer, and I wanted to know if it's possible to make one in ... advertisements. Thanks for any response See Question&Answers more detail:os...

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

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613 views

1 answer

java - How to create multiple log file programatically in log4j2?

I am developing a java application which communicates with lots of devices. For each device I need to create a different log ... )+"]"); } } } See Question&Answers more detail:os...

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

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