📄 calculator.java
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import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.rmi.Remote;
import java.sql.SQLException;
//extends Remote
public interface Calculator extends Remote {
public String[] searchbook(int[] a, String[] b, int[] c, int[] d)
throws java.rmi.RemoteException, SQLException;
public String searchreader(int a) throws java.rmi.RemoteException,
SQLException;
public String[] searchreader() throws java.rmi.RemoteException,
SQLException;
public int passwd(int a, String b) throws java.rmi.RemoteException,
SQLException;
public String[] outbook(int a, int b) throws java.rmi.RemoteException,
SQLException;
public String[] inbook(int a) throws java.rmi.RemoteException, SQLException;
public boolean book(int a, String b, String c, String d, double e, String f,
String g, String h, int i) throws java.rmi.RemoteException,
SQLException;
public String[] book(int a, int b) throws java.rmi.RemoteException,
SQLException;
public boolean book(int a) throws java.rmi.RemoteException, SQLException;
public boolean reader(int a, String b, int c, String d, double e, String f,
int g) throws java.rmi.RemoteException, SQLException;
public String[] reader(int a, int b) throws java.rmi.RemoteException,
SQLException;
public boolean reader(int a) throws java.rmi.RemoteException, SQLException;
public String[] tj() throws java.rmi.RemoteException, SQLException;
public boolean config(int a, int b,int c) throws java.rmi.RemoteException,
SQLException;
public File[] data() throws java.rmi.RemoteException,
SQLException;
public void write(String a) throws java.rmi.RemoteException, FileNotFoundException, IOException;
public void write(String a,String b) throws java.rmi.RemoteException, FileNotFoundException, IOException;
public File[] data1() throws java.rmi.RemoteException, SQLException;
public int passwd(int a, String b, String c)
throws java.rmi.RemoteException, SQLException;
}
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