Question

C#

1.) Assume an integer array named bArray was dimensioned to store 10 rows and 2 columns. Use a variable named element to reference individual cells. Fill in the blanks below for the foreach loop which might be used to display the contents of the array.
foreach(Blank 1, Blank 2, Blank 3, Blank 4) .

2.) In order to place a new element in an ArrayList use the ___________ method.

3.)

With the following declaration: int [ , ] ctn = {{30, 10, 20, 40, 60}, {55, 70, 90, 20, 10}}; the statement Write(“Result = “ + (cnt[0, 2] + cnt[1, 3])); will display

a Result = 2020 b Result = 40 c Result = "cnt[0, 2] + cnt[1, 3]" d Result = 1090 e none of the above

4.)

When you pass an element from an ArrayList to a method, the method receives:

a a copy of the full ArrayList b the address of the first element in the ArrayList c a copy of the value of that element stored in the ArrayList d the address of that element in the ArrayList e none of the above

Answer 1

Answer 1:
foreach(int i in element) .
Answer 2: insert method

Answer 3: Result 2020

0,2 we have 20
1,3 we have 20
Answer 4:a copy of the value of that element stored in the ArrayList

as we are passing only single value not the entire list