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Ah, good point jassi. A String can be compared to a StringBuffer using the String.contentEquals(StringBuffer) method; String.equals(Object) will always return false if the Object is not a String. ...

Is the output from the following two lines what you expect it to be?


System.out.println("palindrome: " + palindrome);
System.out.println("numbers: " + numbers);


I'm guessing it's not. ...