void (final Object o) { if (o != null && o instanceof String) {} if (finalField != null && o instanceof String) {} if (finalField != null) { if (finalField instanceof String) {} } if (finalField != null) { if (finalField instanceof String) {} System.out.println(); } if (mutableField != null && mutableField instanceof String) {} if (method() != null && method() instanceof String) {} }