Question: Which design pattern allows objects to be notified when another object's state changes?

Which design pattern allows objects to be notified when another object's state changes?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

4. Fill in the blanks with the appropriate design pattern for the given descriptions: (a) The _____________________________ design pattern defines a family of algorithms, encapsulates each one, and...

Q:

Physics I need help with these questions show how you got the answer please Thank you for your time! Part 1 Question 1 (1 point) Which property of the quantity of motion affect(s) an object's impact...

Q:

Intro to software engineering T/F questions below Case Study #1: Weather Forecast Display - Strategy Design Pattern Utilize the Strategy Design Pattern to display the different types of displays...

Q:

The following statements are related to Gamma Gang-of-four design patterns. Which statement is TRUE? Choose the BEST answer. 1 Strategy encapsulates algorithm whereas Decorator encapsulates...

Q:

Let i and j be positive integers. (i) Prove that there exist natural numbers a and b such that ai = bj+gcd(i, j). You may use standard results provided that you state them clearly. [4 marks] (ii) Let...

Q:

Portray in words what transforms you would have to make to your execution to some degree (a) to accomplish this and remark on the benefits and detriments of this thought.You are approached to compose...

Q:

Briefly describe ASCII and Unicode and draw attention to any relationship between them. [3 marks] (b) Briefly explain what a Reader is in the context of reading characters from data. [3 marks] A...

Q:

(iii) Now express your decision rule instead using only the quantities p(Ck), p(Cj ), p(x|Ck), p(x|Cj ), and relate it to the diagram above. [2 marks] (iv) If the classifier decision rule assigns...

Q:

A creative engineer suggests structuring the TLB so that not all the bits of the presented address need match to result in a hit. Suggest how this might be achieved, and what might be the costs and...

Q:

Prolog You are approached to compose a Prolog program to work with twofold trees. Your code shouldn't depend on any library predicates and you ought to expect that the mediator is running without...

Q:

Suppose you are given the following information. The beta of company i, b (i), is 1.1, the risk free rate, r(rf), is 7 percent, and the expected market premium, r(m) - r(rf), is 6.5 percent. (Assume...

Q:

Pedro Bourbone is the founder and owner of a highly successful small business and, over the past several years, has accumulated a significant amount of personal wealth. His port-folio of stocks and...

Q:

Which investment has the lowest level of reinvestment risk? Treasury bill ( T - bill ) Munlclpal Bond Preferred stock Collateralized mortgage obligations

Q:

Compared with half a century ago, adoption has become _ _ _ _ _ _ _ _ _ common, but it is more open and acceptabl e , so we probably discuss it _ _ _ _ _ _ _ . fill in the blanks more or much less or...

Q:

10. We look at opportunities through internal lenses rather than starting with customers needs and problems. (para. 3)

Q:

6. We do not have a standard process to nurture the development of new ideas.

Q:

8. Managers are not trained to be innovation leaders.