GlobalConfig { public static void remove(String key) { CONFIG.remove(key); } private  GlobalConfig(); static String get(String key, String def); static int get(String key, int def); static double get(String key, double def); static boolean get(String key, boolean def); static void set(String key, Object val); static void remove(String key); static void clear(); static void load(Properties properties);  }
@Test public void testRemove() { set("oshi.test.property", "test"); remove("oshi.test.property"); assertEquals("123", get("oshi.test.property", "123")); }