Collections and Generics

Question : 39 of 53

Marks: +1, -0

Given:

ArrayList a = new ArrayList();
containing the values {“1”, “2”, “3”, “4”, “5”, “6”, “7”, “8”}

Which code will return 2?

Collections. sort(a, a.reverse()); int result = Collections.binarySearch(a, “6”);
Comparator c = Collections.reverseOrder(); Collections.sort(a, c); int result = Collections.binarySearch(a, “6”);
Comparator c = Collections.reverseOrder(); Collections.sort(a, c); int result = Collections.binarySearch(a, “6”,c);
Comparator c = Collections.reverseOrder(a); Collections.sort(a, c); int result = Collections.binarySearch(a, “6”,c);
Comparator c = new InverseComparator(new Comparator()); Collections.sort(a); int result = Collections.binarySearch(a, “6”,c);

Go to Question:

Prev Question

Next Question