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Help on file write and read
You also wanted to know the best way to read and write large arrays of ints and doubles. Since arrays are considered objects in Java, I'd recommend using the ObjectOutputStream and ObjectInputStream classes. I don't usually use arrays with these, but I believe they will function the way you... -
difference between 2 strings
Well, I think it depends on how you want to show the differences. There's a really simple way you can compare two strings and show the differences if you don't care about position. But if you want the differences between "ABCDE" and "BCDEF" to be shown as "First string... -
open a file in an external default program
JavaDude's right. Does UNIX have a default application to run a .pdf file, or an .html file? Not that I've ever seen. What you're trying to do sounds like it's Windows-specific. And in Windows, you can run an external process using "start", and it starts in the application...
