Java

print object field

public static String dump(Object object) {
    Field[] fields = object.getClass().getDeclaredFields();
    StringBuilder sb = new StringBuilder();
    sb.append(object.getClass().getSimpleName()).append('{');

    boolean firstRound = true;

    for (Field field : fields) {
        if (!firstRound) {
            sb.append(", ");
        }
        firstRound = false;
        field.setAccessible(true);
        try {
            final Object fieldObj = field.get(object);
            final String value;
            if (null == fieldObj) {
                value = "null";
            } else {
                value = fieldObj.toString();
            }
            sb.append(field.getName()).append('=').append('\'')
                    .append(value).append('\'');
        } catch (IllegalAccessException ignore) {
            //this should never happen
        }

    }

    sb.append('}');
    return sb.toString();
}