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I have several classes with the same buttons. How can I combine them into one class rather than writing them in each class?
Thanks
Make a bean class for buttons and use them using getter and setters throughout your app.
create buttons dynamically
http://theopentutorials.com/tutorials/android/listview/android-custom-listview-with-image-and-text-using-baseadapter/
this link will help you to implement such things..
That may solve ur problem :)
Is the functionality of your button are different? So you can inherit some classes from base main class and put your functionality in them. Or use one class and use a flag to decide what functionality you should use.
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So, I just finished my first program, but I haven't use any methods in it, since I'm just beginning to learn how to use them. Here's the original code : http://codepad.org/JiBfJI8Q I started to fractionate it but realised that it would be a method inside another all the way down. Is that actually the way to do it, or did I get the idea wrong?
without having looked at your code:
The general idea of methods is to separate small
portions of code which might be used at multiple other places in your code.
so yes, calling methods from within other methods is a good thing to do.
ideally your so called "composed methods" read out like a little story:
public void transaction(){
openDatabaseConnection();
addRecordsToDatabase();
closeDataseConnection();
}
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I have patching class dynamycly by BCEL, and them I dynamycly reload class.
I`m not sure what I really reloading class.
How can I check it?
How can I view class bytecode without save it as file?
Thanks.
I'm not sure what I am really reloading the class. How can I check it?
Well, you could print a message to System.out in static initializer in your class. If the message is printed you will know that your class has been reloaded, and the (new) class has been initialized.
How can I view class bytecode without save it as file?
See Pretty printing a method in ASM Bytecode
Whether netbeans special instruments for it?
I don't know what you are asking here ...
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is there any way to search all methods in Java class with regex?
(public|protected|private|static|\s) +[\w\<\>\[\]]+\s+(\w+) *\([^\)]*\) *(\{?|[^;])
With this you can, but search before ask, because i only have used the search to find this answer ^^.
I think you're looking for reflection - see this tutorial for help. Only through reflection can you access information about loaded classes - unless you're thinking of loading in the .java file and analyzing its text.
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I am currently working on a project where I found this syntax:
Method m = bluetoothDevice.getClass().getMethod("createBond", (Class[]) null);
What is the purpose of "Method" class in Java and why we use it? Please elaborate with an example
Thanks in advance!
PS: I already saw the Java docs but not able to understand it.
The Method class is part of the "reflection" API which is about meta-programming. That means you can deal with structures of your program as data and process it in a java program. This allows flexible generic or abstract solutions. Method itself just represents a method in a Java class. There are other classes representing other parts of Java programs, too (e.g. Class).
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I'm looking to create an application that will be used to help find a suitable University for prospective students to attend (which is based on various criteria about themselves). The application will be used by prospective students to enter details about themselves and a list of Universities will be displayed based on their profile.
I'm on the design stage (class diagram and etc) and i'm currently thinking of some Java classes I need to produce to do this. So far I've only thought of two...
University class (to hold information about Universities)
Interface class (this the GUI display)
Can someone help suggest what other class that I will need to create this application? You can suggest as many as you like.
Take every noun in your application description. Make it into a class. See if you can write a more detailed description of your app. Use those nouns as classes as well.