3/22/2023 0 Comments Apple java![]() ![]() Properties props = System.getProperties() Īs you can see, the program just gets a Properties object from the System class, and then prints out all the properties. This simple Java program prints all of the system properties: While I'm in the neighborhood of system properties, I thought I'd share a little Java code to demonstrate how to print all the system properties. Bonus: How to print all system properties String mrjVersion = System.getProperty("mrj.version") Īlthough I showed this method, I still prefer the os.name approach, as it works across all platforms. Here's the source code showing what that test looks like: If you're running on Mac OS X, this property will not be null, but if you're running on another operating system, it will be null. If you really just want to see if your application is running on Mac OS X, you can also just look for the system property mrj.version (though I don't really recommend this). String osName = System.getProperty("os.name").toLowerCase() īoolean isMacOs = osName.startsWith("mac os x") For instance, if I just want to run a test to see if my Java application is currently running on Mac OS X, I would write code that looks like this: All you have to do is get this system property, which is a String, and then parse it, looking for different operating system names. Probably the best way to determine which system you're running on is to look at a system property named os.name. Yes, there are differences in Swing behavior between Mac OS X, Linux, and Windows, and you'll want to account for those. If you're developing a Swing/Java application to run on multiple platforms, at some point you'll probably have to make some tweaks for each operating system. ![]()
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