class HelloWorld {
    public static void main(String[] args) {
	String systemProperties [] = {
	    "java.vendor",
	    "java.vendor.url",
	    "java.version",
	    "java.class.version",
	    "os.name",
	    "os.arch",
                    "os.version"
	};

	for (int i=0; i < systemProperties.length; i++) {
	    try {
		String key = systemProperties[i];
		String value = System.getProperty(key);
		System.out.println("\nProperty: " +  key +
				   "\nValue: " + value);
	    } catch ( Exception e ) {
		System.err.println("Exception " + e);
	    }
	}
    }
}