Source of 7.10.java

Structures and functions

  1: // @author Frank M. Carrano, Timothy M. Henry
  2: // @version 5.0
  3: StockLedger myStocks = new StockLedger();
  4: myStocks.buy(20, 45);                   // Buy  20 shares at $45
  5: myStocks.buy(20, 75);                   // Buy  20 shares at $75
  6: double capGain = myStocks.sell(30, 65); // Sell 30 shares at $65