1Z0-805 | A Review Of Practical 1Z0-805 examcollection
splitQ21. Given: public class MyGrades { private final List<Integer> myGrades = new ArrayList<Integer>(); private final ReadWriteLock rwlock = new ReentrantReadWriteLock(); public void addGrade(Integer grade) { // acquire _______ lock myGrades.add(grade); // release __________ lock } public void averageGrades() { // acquire _______ lock Line ** double sum = 0; int i = 0;