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public class Sale{
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//销售IBM电脑
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public void sellIBMComputer(int number){
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//访问库存
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Stock stock=new Stock();
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//访问采购
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Purchase purchase=new Purchase();
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if(stock.getStockNumber()<number){//库存数量不够销售
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purchase.buyIBMcomputer(number);
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}
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System.out.println(“销售IBM电脑”+number+“台”);
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stock.decrease(number);
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}
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//反馈销售情况,0~100之间变化,0代表根本就没人卖,100代表非常畅销,出一个卖一个
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public int getSaleStatus(){
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Random rand=new Random(System.currentTimeMillis());
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int saleStatus=rand.nextInt(100);
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System.out.println(“IBM电脑的销售情况为:”+saleStatus);
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return saleStatus;
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}
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//折价处理
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public void offSale(){
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//库房有多少卖多少
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Stock stock=new Stock();
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System.out.println(“折价销售IBM电脑”+stock.getStockNumber()+“台”);
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