java

Applet without JMF installation at client side

I am trying developing an applet which transmits audio and video. But I found a big problem that I have to make every client install the JMF, however the clients hope there is no software to be installed locally. Is there any possibility to run the applet without JMF installation on the client side ? Anyone can help on this matter ...

how to remotely connect to linux..in java

i want to connect a linux machine from my windows machine... with using java programmig.. i have putty,,,, can it help to me?????? and i have code"" Socket telnetClient=new Socket(inetAddress,23); BufferedReader input=new BufferedReader(new InputStreamReader(System.in)); BufferedReader stdin=new BufferedReader(new InputStreamReader(teln...

java panel with png background

i found this link.. LINK what i want is there's a JPanel that has a background and another JPanel with half the size of the first JPanel but with an image that is transparent and with a face or a ball at the middle.. :) just like the screenshot from the link.. is that possible to code in java? :) im just thinking it like for web programm...

Scanner doesn't read whole sentence

Hello guys, I'm writing a program which allows the user to input his data then outputs it. Its 3/4 correct but when it arrives at outputting the address it only prints a word lets say only 'Archbishop' from 'Archbishop Street'. How do I fix this? Thanks import java.util.*; class MyStudentDetails{ public static void main (Strin...

Java JTextArea hightliting text with a bold font

Hello! I need several words to be highlighted in a String while appending it to a JTextArea. So that I try this: jta.append("<html> <b>Termination time : </b></html>" + CriterionFunction.estimateIndividual_top(individual) + "\n"); Where jta is a JTextArea. The output I get is: <html> <b>Termination time : </...

Static method returning inner class

I really don't understand why the getMyClass2 method below cannot be static, why isn't it valid Java code? public class MyClass { private class MyClass2 { public String s1 = ""; public String s2 = ""; } private MyClass2 myClass2; private static MyClass2 getMyClass2() { MyClass2 myClass2 ...

Why is java.sql.DriverManager.getConnection(...) hanging?

I am attempting to get a connection to my University's MySQL DB but the connection is hanging. import java.sql.*; public class ConnectToDB { public static void main(String args[]){ try { Class.forName("com.mysql.jdbc.Driver").newInstance(); String url = "jdbc:my...

Java ReStart application command in programmatically

Is there in Java any command or proccedure that I can restart my appliation itself? I developed a Java desktop application, but after some time it's going hang. I don't know why, so I want to restart my application itself. Is it possible? ...

Can't check if int is null

I'm trying to use a dictionary. Whenever I want to check if an element is present in the dictionary, I do this: int value = results.get("aKeyThatMayOrMayNotBePresent"); if (value != null) // ... But then the compiler says I can't compare an int to a <nulltype>. What's the correct way to check for null in this case? ...

populating table using 2D array (java)

Hi, I'm doing my first steps with 2D arrays. Help needed on a practical example. Below code should store students and each of their results for 3 courses in a table. Below code returns an error. The error is caused by int studentResults[x][y] = sc.nextInt(); . Any ideas? import java.util.*; class CalcAverage { public static void ...

How to set a local variable in application-context.xml to represent a repeating value?

If the president changes, I would have to change the value of presidentName three times below in the application-context.xml: <beans:property name="presidentName" value="Barack Obama" /> Is there a way to set variable once in application-context.xml to represent the string Barack Obama. <?xml version="1.0" encoding="UTF-8"?> <beans:b...

Getting Html color codes with a JColorChooser

Is there a way to get the html color code from a JColorChooser My java Applet takes three colors from the user and averages them and displays the color I want to get the html color code after they look at the average color how can I do that ...

AIR nativeprocess performance

Is AIR nativeprocess able to receive message from Java program and process every line of message as fast as possible in milliseconds? Does it has a miss read or delay? ...

JTextPane appending a new string

Hello! In an every article the answer to a question "How to append a string to a JEditorPane?" is something like jep.setText(jep.getText + "new string"); I have tried this: jep.setText("<b>Termination time : </b>" + CriterionFunction.estimateIndividual_top(individual) + " </br>"); jep.setText(jep.getText() +...

Is it "safe" to develop for the JDK7 platform?

We have a project which (assumed) would be finished in 1-2 years. By then, the JDK7 (and hopefully the Java7 JCP spec) should be ready. But, I wonder, how probable is the "danger" that Oracle will make a "stupid" decision, which would make the JDK7 a less "attractive" platform then the existing JDK6? More specific, I'm afraid of scenar...

Why does java have no byte type suffix?

So java has a long type suffix for literals: (123L), a double type suffix (43.21D), a floating point suffix (1.234F). So ... why no byte type suffix? For example, when writing some testing code you MUST cast all your bytes when they are used as function parameters. ByteBuffer b = ByteBuffer.allocate(100); b.put((byte)3); // super an...

persistence.xml not found on glassfish deployment descriptor (IntelliJ)

I have an EJB and a WEB module in my IntelliJ, created 5 entities that I would hope to load into a database using annotations. I go to project settings, under modules, and select that I want to add JPA facet, I know have a EJB, WEB and JPA facet. I use eclipselink, so I checked that under JPA settings, I then added my persistence.xml f...

Java UI web frameworks

Hello, I need to know which is the best Java web framework to design an UI. I know some frameworks like vaadin GWT Which one is better and faster? And is there anything other than that? ...

Best method for text parsing androidK

Hello, I am trying to write a program in android that does a lot of string and xml parsing. I need suggestion of which way to go : Use JNI and implement parsing in C++ and use C++ xml SAX parsing (Android - NDk) Go with java and parse xml with SAX ...

printing to a dot matrix printer on a mac

So i am designing an art project that will print to a dot matrix printer the contents of my internet history. i have found info online to parse out a plist (what os x uses to store internet history) so im all set on that front but what i am looking to find out is how to send a request to the printer to print a new line, which would happe...