摘要:
1.一对多 2.多对多 阅读全文
posted @ 2017-12-28 18:15
凯迪威
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摘要:
class Che{ private String name; private double price; public Che(){} public Che(String name,double price){ this.name = name; this.price = price; } public String getName(){ r... 阅读全文
posted @ 2017-12-28 16:28
凯迪威
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