The following dropStudent method from listing 10.6 contains two errors. What are they?

01 public void dropStudent(String student) {

02 int locationToZap = -1;

03 int currLoc = 0;

04 for (currLoc = 0; currLoc < numberOfStudents && locationToZap == -1; currLoc++) {

05 if (students[currLoc] == student) {

06 locationToZap = currLoc;

07 }

08 }

09 if (locationToZap == -1) return;

10 for (currLoc = locationToZap; currLoc < numberOfStudents; currLoc++) {

11 students[currLoc] = students[currLoc + 1];

12 }

13 numberOfStudents--;

14 }