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String Buffer question

 
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HI all, I came across this question in Whizlabs software.
StringBuffer s = new StringBuffer("abcd");
invoking length() of String class didnt give any errors i.e. s.length();
Does anybody know the reason. I thought that it cannot use the methods of String class.
Thanks in Advance,
Latha
 
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s is a StringBuffer and StringBuffer has a length() method.
Where do you see String.length() being called in your example?
[ April 11, 2004: Message edited by: Barry Gaunt ]
 
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I am not sure what exactly your problem is. There is a length() method for StringBuffer and s here is a StringBuffer.
 
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