# java programming

Companies and people often buy and sell stocks. Often they buy the same stock for different prices at different times. Say a person owns 1000 shares a certain stock (such as Checkpoint) she may have bought the stock in amounts of 100 shares over 10 different times with 10 different prices.

We will analyze two different methods of accounting, FIFO and LIFO accounting used for determining the �??cost�?? of a stock. This information is typically calculated when a stock is sold to determined if a profit or loss was made. In our version of FIFO accounting, the price of a commodity is averaged starting with the first purchase of that item. Say we sell 250 shares of a stock, according to this method the purchase price is determined by averaging the prices on the first 250 shares bought. In our version of LIFO accounting, the price of a commodity is averaged starting with the last purchase of that item. Say we sell 250 shares of a stock, according to this method the purchase price is determined by averaging the prices on the last 250 shares bought.

In this assignment, you will be using a queue for storing data for FIFO accounting, and a stack for LIFO accounting. You can use an array based implementation for your stack based implementation and a linked list for implementing your queue or you may use any programming method you want to accomplish this task.

Both your stack and queue should have records with the following fields: The name of the stock (a string or int) The number of shares of a stock (an int) The purchase price (can be a decimal)

You can assume that the first element of the structure is the security bought first, the second was bought second, etc.

Your program should have the user able to enter information about various stocks, the amount of shares, and the price. The user can then enter a query about a certain stock and the cost according to the LIFO and FIFO accounting methods for a certain number of shares.

The following could be your menu: Press 1 to enter a new stock Press 2 to find the LIFO and FIFO price for a stock.

If 1 is pressed, the user needs to enter the stock symbol, and the number of shares, and the price. If 2 is pressed, the user needs to enter the stock symbol being queried and the number of shares in question

Implement the program described above using the Java programming language and any technique that you want to meet the overall requirements described above. You might find it easier to use the built-in data structures that are available in the standard library packages.

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java programming   Companies and people often buy and sell stocks... in question Implement the program described above using the Java programming language... programming method you want to accomplish this task. Both your stack and queue
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