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閱讀下列說明和Java代碼，將應(yīng)填入(n)處的字句寫在答題紙的對應(yīng)欄內(nèi)。
【說明】
現(xiàn)欲開發(fā)一個軟件系統(tǒng)，要求能夠同時支持多種不同的數(shù)據(jù)庫，為此采用抽象工廠模式設(shè)計該系統(tǒng)。以SQL Server和Access兩種數(shù)據(jù)庫以及系統(tǒng)中的數(shù)據(jù)庫表Department為例，其類圖如圖6-1所示。

圖6-1 類圖
【Java代碼】
import javA．util.*;
class Department{/*代碼省略*/}

interface IDepartment{
(1)    ；
(2)    ；
}

class SqlserverDepartment (3) {
public voidInsert(Department department){
System.out.println(”Insert a record into Department in SQL Server!");
∥其余代碼省略
}
public Department GetDepartment(int id){
/*代碼省略*/
}
}

classAccessDepartment(4) {
public void Insert(Department department){
System.out.println("Insert a record into Department in ACCESS!”);
∥其余代碼省略
}
public Department GetDepartment(int id){
/*代碼省略*/
}
}
(5)  {
(6)   ；
}

class SqlServerFactory implements IFactory{
public IDepartment CreateDepartment(){
retum new SqlserverDepartment();
}
∥其余代碼省略
}
class AccessFactory implements IFactory{
public IDepartment CreateDepartment(){
return new AccessDepartment();
}
∥其余代碼省略
}
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