Java Reflection: the fast way to retrieve value from property

I would like to use the fastest way to retrieve value from a property.

Should I use:

public Object getValue(Object obj, Field field) {
    field.setAccessible(true);
    return field.get(obj);
}

or should I use:

public Object getValue(Object obj, Field field) throws Exception {
    StringBuilder methodName = new StringBuilder();
    methodName.append("get");
    methodName.append(field.getName().substring(0, 1).toUpperCase());
    methodName.append(field.getName().substring(1, field.getName().length()));
    for (Method method : methods) {
        if (method.getName().equals(methodName.toString())) {
            return method.invoke(obj);
        }
    }
}

or should I use:

public Object getValue(Object obj, Field field) throws Throwable {
        MethodHandles.Lookup lookup = MethodHandles.lookup();
        StringBuilder methodName = new StringBuilder();
        methodName.append("get");
        methodName.append(field.getName().substring(0, 1).toUpperCase());
        methodName.append(field.getName().substring(1, field.getName().length()));
        for (Method method : methods) {
            if (method.getName().equals(methodName.toString())) {
                MethodHandle mh = lookup.findVirtual(obj.getClass(), methodName.toString(), MethodType.methodType(field.getType()));

                return mh.invoke(obj);
            }
        }
    }

Thanks in advance.