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Tag: java

maven error: package org.junit does not exist

I’m trying to create the javadoc with maven and it fails. It also fails when doing the verify. I get the following error: In my pom.xml file I have the following lines: and my local repository contains the junit jar file: The code is fine because in my laptop, which I have no access now, I van run: with…

IntelliJ IDEA debugger follow child process

We have some Java code that starts a new process using the following code: Runtime.getRuntime().exec(command); I’d like to be able to tell the debugger that it should follow the child process like you can do with GDB as documented here by issuing the set follow-fork-mode child command. Is there somethin…

Dealing with an ArrayStoreException

throws while doesn’t. Is there any other way to deal with that exception without creating a temporary String[] array? Answer In Java an array is also an object. You can put an object of a subtype into a variable of a supertype. For example you can put a String object into an Object variable. Unfortunate…

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…