// Test different separator combinations
        System.setProperty("java.version", "11.0.15.1");
        assertEquals(11, JvmUtil.getJavaVersion());

        System.setProperty("java.version", "17_0_2");
        assertEquals(17, JvmUtil.getJavaVersion());

        System.setProperty("java.version", "8.0.332");
        assertEquals(8, JvmUtil.getJavaVersion());