factorialapplet.java

来自「书籍《JAVA面向对象程序设计》书籍的课后源代码。相信对很多人都有帮助」· Java 代码 · 共 30 行

///////    FactorialApplet.java    ///////
package myrmi.example; 

import java.awt.Container; 
import java.rmi.Naming; 
import java.rmi.RemoteException; 
import javax.swing.*; 

public class FactorialApplet extends JApplet
{   public void init()
    {   try 
        {   obj = (Factorial)Naming.lookup("//" + 
                 getCodeBase().getHost() + "/FactorialServer"); 
            ans = obj.factorial(6); 
        } catch (Exception e) { 
            System.out.println("FactorialApplet exception: " + 
                                    e.getMessage()); 
            e.printStackTrace(); 
        } 
        Container cp = getContentPane();
        cp.add(new JLabel("Factorial 6 = " + ans, JLabel.CENTER));
    } 

    // "obj" is the identifier that we'll use to refer 
    // to the remote object that implements the "Factorial" 
    // interface 
    Factorial obj = null; 
    int ans;
}