单项选择题
import java.util.*;
public class LetterASort {
public static void main(String[] args) {
ArrayList
strings.add(‟aAaA”);
strings.add(”AaA”);
strings.add(‟aAa”);
strings.add(”AAaa”);
Collections.sort(strings);
for (String s: strings) { System.out.print(s + “ “); }
}
}
What is the result?()
A. Compilation fails.
B. aAaA aAa AAaa AaA
C. AAaa AaA aAa aAaA
D. AaA AAaa aAaA aAa
E. aAa AaA aAaA AAaa
F. An exception is thrown at runtime.
相关考题
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单项选择题
public static void search(List list) { list.clear(); list.add(”b”); list.add(”a”); list.add(”c”); System.out.println(Collections.binarySearch(list, “a”)); } What is the result of calling search with a valid List implementation?()
A.0
B.1
C.a
D.b
E.c
F.The result is undefined. -
单项选择题
Given: int[] myArray=newint[] {1, 2,3,4, 5}; What allows you to create a list from this array?()
A. List myList = myArray.asList();
B. List myList = Arrays.asList(myArray);
C. List myList = new ArrayList(myArray);
D. List myList = Collections.fromArray(myArray); -
单项选择题
11. List list = // more code here 12. Collections.sort(list, new MyComparator()); Which code will sort this list in the opposite order of the sort in line 12?()
A. Collections.reverseSort(list, new MyComparator());
B. Collections.sort(list, new MyComparator()); list.reverse();
C. Collections.sort(list, new InverseComparator( new MyComparator()));
D. Collections.sort(list, Collections.reverseOrder( new MyComparator()));
