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#23436

From: ��
Date: Thu, 24 Jul 2003 01:44

36 lines
1529 bytes

//Hide.java
class Homer {
  char doh(char c) {
    System.out.println("doh(char)");
    return 'd';
  }
  float doh(float f) {
    System.out.println("doh(float)");
    return 1.0f;
  }
}
class Bart extends Homer {

   float doh(float f) {
      System.out.println(" derived ");
      return 1.0f;
  }
}
class Hide {
  public static void main(String[] args) {
    Bart b = new Bart();
    b.doh(1); // doh(float) used
    b.doh('x');
    b.doh(1.0f);
  }
} ///:~
����ʱ���?
Hide.java:34: reference to doh is ambiguous, both method doh(char) in Homer 
and
method doh(float) in Bart match
    b.doh('x');
     ^
1 error
   
--
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From: EternalHeart.bbs@bbs.sjtu.edu.cn ( ��������)
Newsgroups: cn.bbs.comp.lang.java
Subject: �����l���Խ���һ�����С����лл
Date: 24 Jul 2003 01:44:21 GMT
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