?? gumballmachinetestdrive.java
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package headfirst.state.gumball;public class GumballMachineTestDrive { public static void main(String[] args) { GumballMachine gumballMachine = new GumballMachine(5); System.out.println(gumballMachine); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); System.out.println(gumballMachine); gumballMachine.insertQuarter(); gumballMachine.ejectQuarter(); gumballMachine.turnCrank(); System.out.println(gumballMachine); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); gumballMachine.ejectQuarter(); System.out.println(gumballMachine); gumballMachine.insertQuarter(); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); System.out.println(gumballMachine); }}?? 快捷鍵說明
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