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public enum A{
B(1),C(2);
protected A(int value){
  this.value=value;
}
private int value;

public getValue(){
  return this.value;
}
}


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public enum DataBaseType{
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  SqlServer,
  ...
}
//¹¹Ô캯Êý
public DAL(String url,DataBaseType dataBaseType){
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}

}

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