public static void main()

in xstream/src/java/com/thoughtworks/xstream/core/JVM.java [569:628]
56 lines of code
9 McCabe index (conditional complexity)

    public static void main(final String... args) {
        boolean reverseJDK = false;
        Field[] fields = AttributedString.class.getDeclaredFields();
        for (int i = 0; i < fields.length; i++) {
            if (fields[i].getName().equals("text")) {
                reverseJDK = i > 3;
                break;
            }
        }

        boolean reverseLocal = false;
        fields = Test.class.getDeclaredFields();
        for (int i = 0; i < fields.length; i++) {
            if (fields[i].getName().equals("o")) {
                reverseLocal = i > 3;
                break;
            }
        }

        String staxInputFactory = null;
        try {
            staxInputFactory = getStaxInputFactory().getName();
        } catch (final ClassNotFoundException e) {
            staxInputFactory = e.getMessage();
        } catch (final NullPointerException e) {
        }

        String staxOutputFactory = null;
        try {
            staxOutputFactory = getStaxOutputFactory().getName();
        } catch (final ClassNotFoundException e) {
            staxOutputFactory = e.getMessage();
        } catch (final NullPointerException e) {
        }

        System.out.println("XStream JVM diagnostics");
        System.out.println("java.specification.version: " + System.getProperty("java.specification.version"));
        System.out.println("java.specification.vendor: " + System.getProperty("java.specification.vendor"));
        System.out.println("java.specification.name: " + System.getProperty("java.specification.name"));
        System.out.println("java.vm.vendor: " + vendor);
        System.out.println("java.vendor: " + System.getProperty("java.vendor"));
        System.out.println("java.vm.name: " + System.getProperty("java.vm.name"));
        System.out.println("Version: " + majorJavaVersion);
        System.out.println("XStream in unnamed module: " + isUnnamedModule());
        System.out.println("XStream support for enhanced Mode: " + canUseSunUnsafeReflectionProvider());
        System.out.println("XStream support for reduced Mode: " + canUseSunLimitedUnsafeReflectionProvider());
        System.out.println("Supports AWT: " + isAWTAvailable());
        System.out.println("Supports Swing: " + isSwingAvailable());
        System.out.println("Supports SQL: " + isSQLAvailable());
        System.out.println("Java Beans EventHandler present: " + (loadClassForName("java.beans.EventHandler") != null));
        System.out.println("Standard StAX XMLInputFactory: " + staxInputFactory);
        System.out.println("Standard StAX XMLOutputFactory: " + staxOutputFactory);
        System.out.println("Optimized TreeSet.addAll: " + hasOptimizedTreeSetAddAll());
        System.out.println("Optimized TreeMap.putAll: " + hasOptimizedTreeMapPutAll());
        System.out.println("Can parse UTC date format: " + canParseUTCDateFormat());
        System.out.println("Can create derive ObjectOutputStream: " + canCreateDerivedObjectOutputStream());
        System.out.println("Reverse field order detected for JDK: " + reverseJDK);
        System.out.println("Reverse field order detected (only if JVM class itself has been compiled): "
            + reverseLocal);
    }