When you return an array from a method, the method returns __________.
A. the reference of the array
B. the length of the array
C. a copy of the array
D. a copy of the first element
查看答案
How many elements are in array double[] list = new double[5]?
A. 4
B. 0
C. 5
D. 6
If you declare an array double[] list = {3.4, 2.0, 3.5, 5.5}, the highest index in array list is __________.
A. 1
B. 4
C. 2
D. 3
The array index is not limited to int type.
A. false
B. true
Binary search can be applied on an unsorted list.
A. false
B. true
微信支付 
支付宝支付