SimpleStockExchange

A Simple Stock Exchange written in java

How to run

1. Open any java IDE (IntelliJ)
2. Direct into src folder
3. Run StockApp

Test case

Test: Placing Buy Limit order

Action: BUY SNAP LMT $30 100

You have placed a limit buy order for 100 SNAP shares at $30.00 each.

Test: View Orders

Action: VIEW ORDERS

1. SNAP LMT BUY $30.00 0/100 PENDING

Test: Placing Buy Market order

Action: BUY FB MKT 20

You have placed a market order for 20 FB shares.

Action: VIEW ORDERS

1. SNAP LMT BUY $30.00 0/100 PENDING
2. FB MKT BUY 0/20 PENDING

Test: Placing Sell Limit order

Action: SELL FB LMT $20.00 20

You have placed a limit sell order for 20 FB shares at $20.00 each

Action: VIEW ORDERS

1. SNAP LMT BUY $30.00 0/100 PENDING
2. FB MKT BUY $20.00 20/20 FILLED
3. FB LMT SELL $20.00 20/20 FILLED

Test: Placing Sell Market order

Action: SELL SNAP MKT 20

You have placed a market sell order for 20 SNAP shares at $30.00 each

Action: VIEW ORDERS

1. SNAP LMT BUY $30.00 20/100 PARTIAL
2. FB MKT BUY $20.00 20/20 FILLED
3. FB LMT SELL $20.00 20/20 FILLED
4. SNAP MKT SELL $30.0 20/20 FILLED

Test: Higher limit SELL price does not trigger lower BUY price

Action: SELL SNAP LMT $31.00 10

You have placed a limit sell order for 10 SNAP shares at $31.00 each

Action: VIEW ORDERS

1. SNAP LMT BUY $30.00 20/100 PARTIAL
2. FB MKT BUY $20.00 20/20 FILLED
3. FB LMT SELL $20.00 20/20 FILLED
4. SNAP MKT SELL $30.0 20/20 FILLED
5. SNAP LMT SELL $31.0 0/10 PENDING

Test: Quote Symbol

Action: QUOTE SNAP

SNAP BID: $30.00 ASK: $31.00 LAST: $30.00

Test: Sell stock position amount over available buy position

Action: SELL SNAP LMT $30.00 100

You have placed a limit sell order for 100 SNAP shares at $30.0 each.

Action: VIEW ORDERS

1. SNAP LMT BUY $30.0 100/100 FILLED
2. FB MKT BUY $20.0 20/20 FILLED
3. FB LMT SELL $20.0 20/20 FILLED
4. SNAP MKT SELL $30.0 20/20 FILLED
5. SNAP LMT SELL $31.0 0/10 PENDING
6. SNAP LMT SELL $30.0 80/100 PARTIAL

Test: Higher limit BUY price trigger lower SELL price

(Note: It will trigger the first SELL price encounter from oldest to most recent order)

Action: BUY SNAP LMT $32.00 10

You have placed a limit buy order for 10 SNAP shares at $32.0 each.

Action: VIEW ORDERS

1. SNAP LMT BUY $30.0 100/100 FILLED
2. FB MKT BUY $20.0 20/20 FILLED
3. FB LMT SELL $20.0 20/20 FILLED
4. SNAP MKT SELL $30.0 20/20 FILLED
5. SNAP LMT SELL $31.0 10/10 FILLED
6. SNAP LMT SELL $30.0 80/100 PARTIAL
7. SNAP LMT BUY $31.0 10/10 FILLED

Action: QUIT

Quiting...

Assumption Made

1. When placing order, limit order will be resolved.
2. Limit order has limitPrice(The price user enter when placing order) & triggerPrice(The price order is placed).
3. Market order has only triggerPrice.
4. TriggerPrice will be recalculated everytime position is filled.
5. For Limit Order, if no position is filled, when view order, limitPrice will be shown.
6. For Market Order, if no position is filled, when view order, no price will be shown.

Class Attributes

1. Order

   1. orderId
   2. action
   3. symbol
   4. type
   5. limitPrice
   6. triggerPrice
   7. amount
   8. notFilled
   9. status

2. OrderList

   1. orderArray

Class Method

1. Order
   1. Order(String action, String symbol, String type, double limitPrice, int amount)
   2. Order(String action, String symbol, String type, int amount)
   3. getOrderId()
   4. setOrderId(int orderId)
   5. getAction()
   6. setAction(String action)
   7. getSymbol()
   8. setSymbol(String symbol)
   9. getType()
   10. setType(String type)
   11. getLimitPrice()
   12. setLimitPrice(double limitPrice)
   13. getTriggerPrice()
   14. setTriggerPrice(double triggerPrice)
   15. getAmount()
   16. setAmount(int amount)
   17. getNotFilled()
   18. setNotFilled(int filled)
   19. getStatus()
   20. setStatus(String status)
   21. printOrder()
2. OrderList
   1. OrderList()
   2. processLmtBuyOrders(Order order)
   3. processLmtSellOrders(Order order)
   4. processMktBuyOrders(Order order)
   5. processMktSellOrders(Order order)
   6. viewOrders()
   7. quote(String symbol)