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下面的哪些程序片断可能导致错误() 

  • A、String s = "Gone with the wind";  String t = " good ";  String k = s + t;
  • B、String s = "Gone with the wind";  String t;  t = s[3] + "one";
  • C、String s = "Gone with the wind";  String standard = s.toUpperCase();
  • D、String s = "home directory"; String t = s - "directory"

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更多 “下面的哪些程序片断可能导致错误() A、String s = "Gone with the wind";  String t = " good ";  String k = s + t;B、String s = "Gone with the wind";  String t;  t = s[3] + "one";C、String s = "Gone with the wind";  String standard = s.toUpperCase();D、String s = "home directory"; String t = s - "directory"” 相关考题
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