java

[알림판목록 I] [알림판목록 II] [글목록][이 전][다 음]
[ java ] in KIDS
글 쓴 이(By): uhihi (너의이뿌니)
날 짜 (Date): 1998년 10월 27일 화요일 오후 08시 01분 51초
제 목(Title): NullPointerException 어케할까요  도와주�


import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.net.MalformedURLException;

public class HandleButton extends java.applet.Applet implements ActionListener 
{
        Regmember App;
        TextField name, id, pw, cf, add;
        
        HandleButton(Regmember a, TextField n,TextField i,
                        TextField p,TextField pc, TextField ad){
                App = a;
                name =  n;
                id = i;
                pw = p;
                cf = pc;
                add = ad;

                }

        public void actionPerformed (ActionEvent e){
                if (e.getSource() instanceof Button) {
                String un = 
"http://namhae.duksung.ac.kr/~h03056/public_html/index.htm";
                String pwnot = 
"http://namhae.duksung.ac.kr/~h03056/public_html/frame.htm";
                String good = 
"http://namhae.duksung.ac.kr/~h03056/public_html/i_sora.htm";
                URL theURL = null;
                   try {
                        if 
((name.getText().equals(""))||(id.getText().equals(""))||(pw.getText().equals("
"))||(add.getText().equals(""))){
                                theURL =new URL(un);
                                getAppletContext().showDocument(theURL);
                        }
                        else {if (!(pw.getText().equals(cf.getText()))){
                                theURL =new URL(pwnot); 
                                     getAppletContext().showDocument(theURL);
                                                           
                              }
                              else  {
                                theURL =new URL(good);
                                getAppletContext().showDocument(theURL);
                              }
                             }
                        
                     } catch(MalformedURLException c){
                              System.out.println("Bad URL : " + theURL);
                     }
                }
             }
}

 
[알림판목록 I] [알림판목록 II] [글 목록][이 전][다 음]
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