@@ -0,0 +1,213 @@
+package study.hard.javalib.nativelib.system;%0A%0Aimport org.junit.Test;%0A%0Apublic class GetenvTest %7B%0A%0A%09@Test%0A%09public void testGetEnv() %7B%0A%09%09final String value = System.getenv(%22TEMP%22);%0A%09%09System.out.println(value);%0A%09%7D%0A%0A%7D%0A

Add a test case to get OS environment variables.