Tagged Questions

Java is an object-oriented language and runtime environment (JRE). Java programs are platform independent, because they are compiled to bytecode and their execution is handled by a Virtual Machine called the Java VM or JVM.

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How to read local text file and put data in an array to prepare playlist in android

As you can see that in this player i want make an array which can fetch list of video paths from a locally stored text file in the internal memory of the device..as u can see in the below code that i ...
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Minesweeper - Online Judge “Wrong answer” although it works on Eclipse

UVA problem no:10189 - Minesweeper http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=1130 Here is my solution: import java.util.Scanner; ...
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ActionListener: Disabling Buttons

I am currently working on a Java class that produces a simple JFrame/JButton layout of Tic-Tac-Toe. Implementing ActionListener, I intended on having the selected JButton set its title to "X" or "O" ...
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ServletResponse.flushBuffer — does it block until my response is delivered?

I am using Tomcat. The documentation for ServletResponse.flushBuffer says, "Forces any content in the buffer to be written to the client. A call to this method automatically commits the response, ...
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How to send files to pc through wifi programaticall from android phone [closed]

One and all . I need a code to send files to personnel computer through wi-fi from my phone .. in android please help me to complete my app.
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1answer
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Swing TextArea function setLineWrap making execution slow

I am making a GUI app in which on click of button we read a binary file and display the data in a TextArea (Data is 327680 bytes). Now if I use textArea.setLine(true) then it slows down the ...
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1answer
18 views

What happens when you operate bytes bitwise?

Take a look at this code: byte a = -124; System.out.println(a); System.out.println((a & 0xFF)); It outputs: -124 132 It's very, very surprising to me. After all, byte contains only 8 bits, ...
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Generating Eclipse AXIS Web Service Get Exception: java.lang.reflect.InvocationTargetException Message: java.lang.reflect.InvocationTargetException

I am developing Java AXIS Web Services using Eclipse. When I create a new Dynamic Web Project and sometimes when I right click on my class -> Web Serves -> Create Web Serves It creates everything ...
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How do i dump errors reported by logger.error into a file

I have a selenium script and I need to write the failures to a log file. i am using the logger.info() method to dump the required information into my file but i need to maintain a seperate errorlog ...
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15 views

How to pass a String from a Java server class to an Android Activity?

So basically, I have an Android phone that acts as the client and sends a String to a Java server, which in turn passes it to an Android emulator, which I will use to display the results from the ...
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1answer
8 views

Jenkins - check Git before every builds

I am currently setting up a Continuous Integration system with Jenkins, and I came across a problem : Almost every project depends on others projects. So, in order to perform daily builds, I use the ...
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3answers
36 views

Static method without a name

In an Android example class theres this method: static { addItem(...); } When I reference the class, the items are indeed added. I never saw a method like this, a. how is this called ...
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1answer
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Why size of Jtext area is Changing on selectig other componenets on Jframe form

I am having three radio buttons (rd_7inch, rd_9inch, and rd_10inch) on selection i am changing size of text box public void setsize() { if(rd_7inch.isSelected()) { ...
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4 views

Implement SIP instant messaging framework

I want to implement an instant messaging framework working on SIP. I have SIP clients and an element that will get all the messages from the clients, and will handle them and forward them to other sip ...
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8answers
32 views

How to split a string by “ | ” in split method of String class in Java

I would like to split a String by " | " in Java. I found split method of String class and it expects a regex expression for split delimeter but I don't know how to form a regex expression for " | ". ...

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