Tagged Questions

Java, not to be confused with JavaScript, is an object-oriented language and runtime environment (JRE). Java programs are compiled to bytecode and run in a virtual machine (JVM).

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TextView giving NulllPointerException in AsyncTask

that should be a trivial , but i am really wondering whats happening, as i copied the code from an online course, where it worked , and its giving me nullpointer exception.Everything seems right so ...
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9 views

How to add a background image to string?

I'm making a simple jokes app. Basically I've used strings to hold each and every joke. So I press joke in the app, and it gives me a joke, then I press back, and the I press joke again and it gives ...
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1answer
8 views

persist many-to-many relationship with EJB

I'm using JPA (hibernate), EJB and CDI bean (JSF). I have two tables: technology (entity is Technology.class) and component (entity is Component.class) with many-to-many relationship. Entity code: ...
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1answer
12 views

After being scaled an image won't display without an unrelated imageIcon

I'm trying to get some images to scale for a chess program I'm writing. I tried writing up a small program just to get a feel for scaling images and I ran into a problem with the image displaying. ...
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1answer
13 views

How to link the jsps in tomcat instead of keeping WEB-INF/jsp folder?

Can anyone please let me know, how to link the jsps in tomcat instead of keeping all jsps in WEB-INF/jsp and binding in the WAR ? In WEBLOGIC, we can do it by giving the path in weblogic.xml, so ...
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9answers
41 views

Access the value from list in java

this is one of my class class number11 { String ab; int i; public number11(String ab,int i) { this.ab=ab; this.i=i; } } And in main method, I used ...
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5 views

How to start jmx using java ProcessBuilder in windows 2008 server

I am trying to start jmx process trhough java ProcessBuilder in windows 2008, When I set jvmOpts.add( "-Dcom.sun.management.jmxremote.port=8999") The error message it shows is Error: Exception ...
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1answer
11 views

I don't want to write driver.findelement(By.xpath(“”)) again and again

Hi this is the code below : What I want to do is this build a function in which i just pass the value of xpath, so i don't have to write driver.findElement(By.xpath("")) again and again. ...
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15 views

In Dynamic Listview row,their button functions not working

I have created an Dynamic listview,their data are coming or storing in db part.In each row i have give some button like sms,tts,email like that.Their content and button are displaying in my listview ...
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23 views

can't show caught exception (newSingleThreadScheduledExecutor)

for schedule executor: executor = Executors.newSingleThreadScheduledExecutor(); Runnable ppt = new Runnable() { public void run() { try { ...
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8answers
45 views

Array index out of bounds error when using “.”

I'm trying to get this bit of code to work when getting someones date of birth and having to split it up in dd/mm/yyyy and using "." as the thing that separates day from month and month from year. I ...
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1answer
44 views

Sending SMS to phone using Java

I am currently trying to send an SMS in Java. Here is the link that I followed: Send Text Messages Using Java But I'm having a difficult time understanding what should I put for both of these: ...
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1answer
14 views

How can I add to or change a label on a JMenuItem?

I need to add a label on the right hand side of a JMenuItem, like the labels shown below: I have an application that uses Ctrl++ and Ctrl+- to zoom into an image. However, the + key by default ...
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16 views

how to display different screen

I'm writing a simple program using CardLayout. The main screen should display a button which when pressed would go to the next screen which contains another button for another screen. My problem is ...
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0answers
6 views

How imageJ call IJ_Props.txt file?

Recently I am learning imageJ codes. I found IJ-Props.txt file is very important for many internal plugins. Without, many plugins in submanu disappear. I would like to know how imageJ calls and uses ...

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