This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
You have a set of data that represents the history of the prices of certain stocks. You are required to present this information in different ways such as graphs or simple text etc. to end users.
Which design pattern would be most suitable to handle such requirement?