@@ -0,0 +1,667 @@
+package com.ouc.cs;%0A%0Apublic class Trade %7B%0A%09private long buyOfferId;   // %E6%88%90%E5%8A%9F%E5%87%BA%E5%94%AE%E7%9A%84%E5%87%BA%E4%BB%B7Id%0A%09private long sellOfferId;   // %E6%88%90%E5%8A%9F%E8%B4%AD%E4%B9%B0%E7%9A%84%E5%87%BA%E4%BB%B7Id%0A%09private int price;   // %E4%BA%A4%E6%98%93%E7%9A%84%E4%BB%B7%E6%A0%BC%0A%0A%09// %E4%B8%BA%E4%BA%86%E6%89%93%E5%8D%B0%E8%AE%BE%E8%AE%A1%0A    @Override%0A    public String toString() %7B%0A        return buyOfferId + %22 %22 + sellOfferId + %22 %22 + price;%0A    %7D%0A    %0A%09public void setBuyOfferId(long value) %7B%0A%09%09this.buyOfferId = value;%0A%09%7D%0A%0A%09public long getbuyOfferId() %7B%0A%09%09return this.buyOfferId;%0A%09%7D%0A%0A%09public void setSellOfferId(long value) %7B%0A%09%09this.sellOfferId = value;%0A%09%7D%0A%0A%09public long getSellOfferId() %7B%0A%09%09return this.sellOfferId;%0A%09%7D%0A%0A%09public void setPrice(int value) %7B%0A%09%09this.price = value;%0A%09%7D%0A%0A%09public int getPrice() %7B%0A%09%09return this.price;%0A%09%7D%0A%7D%0A

Create Trade.java