第6章 Java C/S结构编程 197 实例67 实现C/S多线程 198 实例68 客户端程序 200 实例69 服务器端程序 201 实例70 C/S结构

				import java.rmi.*;
				import java.rmi.server.UnicastRemoteObject;
				
				public class RMIProblemSetImpl
				    extends java.rmi.server.UnicastRemoteObject
				    implements RMIProblemSet {
				
				  protected double value;
				  protected double solution;
				  
				  public RMIProblemSetImpl() throws RemoteException {
				    value = 0.0;
				    solution = 0.0;
				  }
				  
				  public double getValue() throws RemoteException {
				    return value;
				  }
				  
				  public double getSolution() throws RemoteException {
				    return solution;
				  }
				  
				  public void setValue(double v) throws RemoteException {
				    value = v;
				  }
				  
				  public void setSolution(double s) throws RemoteException {
				    solution = s;
				  }
				}