ssd3 Practical Quiz 3 答案

--------------------------------------------------------------------------- Bug #1 Description of the bug: These four words has been defined. Lines of source code that contain the bug: 86,87,88,89 int numberOfA = 0; int numberOfT = 0; int numberOfC = 0; int numberOfG = 0; Lines of the fixed code: 86,87,88,89 numberOfA = 0; numberOfT = 0; numberOfC = 0; numberOfG = 0; --------------------------------------------------------------------------- Bug #2 Description of the bug: It has the wrong word.wo shuold add numberOfG++,not numberOfC++; Lines of source code that contain the bug: 104 numberOfC++; Lines of the fixed code: 104 numberOfG++; --------------------------------------------------------------------------- Bug #3 Description of the bug: if we minus 1,we won't seach the last letter. Lines of source code that contain the bug: 165 while (index < sequence.length()-1 ) { Lines of the fixed code: 165 while (index < sequence.length() ) { --------------------------------------------------------------------------- Bug #4 Description of the bug: The relationship between the two occasion is wrong. Lines of source code that contain the bug: 172 if ((firstNucleotide == input) || (secondNucleotide == input)) { Lines of the fixed code: 172 if ((firstNucleotide == input) && (secondNucleotide == input)) { ---------------------------------------------------------------------------