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29.12.2025 10:06 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
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30.12.2025 09:03 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
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31.12.2025 06:11 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
31.12.2025 08:51 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
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31.12.2025 10:56 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
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Java - Basics - System Variables
Ocak 11, 2019 by

In this article, we will see how to read system variables in Java.

Java got a Properties object that gets information about local system and configuration. In java, that is called System Properties.

Lets see it in the code. 




System.getenv("Systemroot");


Lets see it in a java example.

USA citadel

In above example, we print to terminal system variable "systemroot", as it shows root folder of our system.



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