Is there an API to get a classpath resource (e.g. what I’d get from Class.getResource(String)) as a java.nio.file.Path? Ideally, I’d like to use the fancy new Path APIs with classpath resources. Answer This one works for me:
Tag: java
how to read a list of objects from the configuration file in play framework
How can i read a list of users from the configuration file in play framework? i have tried doing something like this: from the play application will give me this a list of objects, if I iterate through the list i get each object as at this point i don’t know how i can elegantly get the value of the
Initialize field before super constructor runs?
In Java, is there any way to initialize a field before the super constructor runs? Even the ugliest hacks I can come up with are rejected by the compiler: Note: The issue disappeared when I switched from inheritance to delegation, but I would still like to know. Answer No, there is no way to do this. Accordin…
Count the number of “trues” for n booleans
I would like to count the number of trues, each result should have its own associated action. Maybe something like: Any idea of how to write the getResult method body a pretty way? In the example, I used only four, but it should be extendable to a bigger number of booleans. Any other way to proceed is welcome…
Struts2 Tags Radio button
I have this iterator that loops through an object. where answer is a boolean value, that I am trying to set through radio buttons. but the problem is, upon on the generated html, teh radio buttons. is like this It did not have the indice/index. it only gave me the %{#key.index} Answer you have to use property…
Read Content from Files which are inside Zip file
I am trying to create a simple java program which reads and extracts the content from the file(s) inside zip file. Zip file contains 3 files (txt, pdf, docx). I need to read the contents of all these files and I am using Apache Tika for this purpose. Can somebody help me out here to achieve the functionality.…
How to auto start apache tomcat server
I can view the webpage after deploying the war file.when i open the page for next day i cannot view the page again after restarting the apache tomcat server the page opens. Answer You must have shut down the machine. When you come on next day and access the same URL then you won’t be able to see that pa…
How does the “final” keyword in Java work? (I can still modify an object.)
In Java we use final keyword with variables to specify its values are not to be changed. But I see that you can change the value in the constructor / methods of the class. Again, if the variable is static then it is a compilation error. Here is the code: Above code works fine and no errors. Now change the
Java Radio Button Variable Errors
So this works now, and i fixed the variable calling errors. but I get : My GUI Pops up but is blank, what is it now? I cannot figure out what the problem is at this time. This is very important to get resolved, thank you in advance. Answer the first error means when you call buildPanel(String, String) you nee…
Java Thread Sleep and Interrupted Exception
Why does a sleep thread need a try catch to catch Interrupted Exception? Why does a sleep even emit an Interrupted Exception error? This are the two questions I really wanna find out about in java programming I’ve been searching through google and i’ve still haven’t found a clear explanation…