คลาส WebPage มีเมท็อดคืน Scanner ให้อ่านเว็บเพจ

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รหัสที่ 10-12 คลาส WebPage มีเมท็อดคืน Scanner ให้อ่านเว็บเพจ

import java.io.*;
import java.net.*;
import java.util.Scanner;

public class WebPage {
  private Scanner scanner;
  public WebPage(String page) throws WebPageException {
    try {
      URLConnection urlc = new URL(page).openConnection();
      scanner = new Scanner(urlc.getInputStream());
    } catch (IOException e) {
      throw new WebPageException(e.getMessage());
    }
  }
  public Scanner getScanner() {
    return scanner;
  }
}

10. สิ่งผิดปกติ