Respuesta :
The statement that will result from changing x < str.Lenght() to x <= str.Lenght() is C. the method will now cause a run-time error.
The code is written in Java programming language.
The method been called with printAllCharacters("abcdefg") which it mean there only have 7 elements but in Java their index start from 0 not 1, so their last index is 6 not 7.
Now we look the loop code is,
(int x = 0; x < str.Length() ; x++)
and the code to print is,
System.out.print(str.substring(x, x + 1)
In the first call it work correctly because the loop will break after x is equal to 5 and in the print the program will access the index 5 and index 6 (x+1).
But, after we change the code the loop will break after x is equal to 6 and in the print the program will access the index 6 and index 7 (x+1). Since, index 7 doesn't exist then the run-time error occur.
Thus, the method call, which worked correctly before the change, will now cause a run-time error because it attempts to access a character at index 7 in a string whose last element is at index 6.
You question is incomplete, but most probably your full question was
A Consider the following method definition. The method printAllCharacters is intended to print out every character in str, starting with the character at index 0. public static void printAllCharacters (String str) for (int x = 0; x< str.length(); x++) // Line 3 System.out.print(str.substring(x, x + 1)); The following statement is found in the same class as the printAllCharacters method. printAllCharacters ("ABCDEFG"); Which choice best describes the difference, if any, in the behavior of this statement that will result from changing x < str.length() to x <= str.length() in line 3 of the method?
Α) The method call will print fewer characters than it did before the change because the loop will iterate fewer times.
B) The method call will print more characters than it did before the change because the loop will iterate more times.
C) The method call, which worked correctly before the change, will now cause a run-time error because it attempts to access a character at index 7 in a string whose last element is at index 6.
D) The method call, which worked correctly before the change, will now cause a run-time error because it attempts to access a character at index 8 in a string whose last element is at index 7.
E) The behavior of the code segment will remain unchanged.
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