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java Integer.MAX_VALUE, MIN_VALUE overflow

Ok maybe I am just tired because of this but how can I accomplish this? // or perhaps I just want the if statement to catch if x is “within range” kinda like this: But the problem is that if the value is as mentioned above, like MAX_VALUE + 10, the value ends up being neither higher than the MAX

Add the play script to your PATH in Mac

I’m not good with the terminal, so I have no idea what this means…. you should add the framework installation directory to your system PATH. On UNIX systems, this means doing something like: On Windows you’ll need to set it in the global environment variables. This means update the PATH in the env…

Stable alternative to RXTX

After using RXTX for a number of different projects, I’ve come across many annoying discrepancies and issues that can only sensibly be put down to bugs in the library – deadlocks, race hazards, and monitor threads deep in the RXTX library being left open preventing the program from closing (even t…

What GUI libraries are the JetBrains using?

Background I am somewhat new to Java and am enjoying using IntelliJ IDE developed by the JetBrains team. I have downloaded the source for the Community Edition, and I am trying to work out what GUI libraries they are using to get the look-and-feel. Question What libraries (if any) are they using to get the no…

Get path from FileDescriptor in Java

Some quick background on my problem: I’m writing a compiler that converts Domain Type Enforcement specs into Java Security Manager code. In a nutshell, DTE defines “types” (objects), assigns paths to those types; then defines “domains” (subjects), and defines what permissions (rw…

ImageJ API: Combining images

Using the ImageJ api, I’m trying to save an composite image, made up of several images laid out side by side. I’ve got code that loads ImagePlus objs, and saves them. But I can’t figure how to paste …

Importing packages in Java

How to import a method from a package into another program? I don’t know how to import… I write a lil’ code: and then, saved it in a folder named “Dan” and I compiled it. The .class file is generated. Then, I wrote this code below: and I saved it outside the folder “Dan&#82…

How can I add files to a Jar file?

I want to add a series of files previously extracted from other files(already done) to a jar. These files will be overwriting files inside the JAR. What is the most efficient way to do it? I need it to be fast. Thank you! Answer A JAR file is a ZIP file, remember. Just use some ZIP library.