Question

in c#

1- What is the output for total after the following segment of code executes?
int num = 3, total = 0;
switch (num)
{
               case 1:
               case 2:
                              total = 5;
                              break;
               case 3:
                              total = 10;
                              break;
               case 4:
                              total = total + 3;
                              break;
               case 8:
                              total = total + 6;
                              break;
               default:
                              total = total + 4;
                              break;
}
WriteLine("The value of total is " + total);
The value displayed for total would be . If num had been initialized to 100,  would be displayed. If num was initialized to 1,  would be displayed.

2-

Given the switch statement, which of the following would be the first if statement to replace the first test in the switch?
switch (control)
{
               case 11 :
                              WriteLine("eleven");
                              break;
               case 12 :
                              WriteLine("twelve");
                              break;
               case 16 :
                              WriteLine("sixteen");
                              break;
}

A.if (case = 11)

B.if (case == 11)

C.if (control == 11)

D.if (switch == 11)

E.none of the above

3- Assuming the following declarations:
int a is 5,
   b is 6,
c is 8;
which of the result (true or false) of each of the expressions. Identify the result of each of the expressions.
a. (1 + a) != b; _______________
b. a >= 0; _________________
c. a <= (b * 2); ______________

4-

Assuming the following declarations:

int    a is 5,
  b is 6,
   c is 8;
which of the result (true or false) of each of the expressions. Identify the result of each of the expressions.
a. a == 5; ____________   
b. 7 <= (a + 2); ____________
c. c <= 4; ____________

5- If you were to write switch statements to perform the following evaluation, what selector would be placed inside the parenthesis for each of the following scenarios?  
switch ( ? )
a. __________ Testing string stateName for FL, GA, or MS. Storing 1 in cnt for FL, 2 for GA, 3 for MS
b. ____________ Testing cnt for 1, 5 or 7. Storing 100 in value1 when cnt is 1, storing 10 in value1 when cnt is 5 and storing 1 in value1 when cnt is 7
c. _____________ When middleInitial is equal to the character z, a message should be displayed stating “You’re one in a thousand”; otherwise, check to see if it is equal to the character ‘a’. When it is equal to the character a, display the message “You have the most common initial”. If it’s not equal to ‘a’ or ‘z’ the message should read “Just another initial”.

1. 
   

Answer 1

Answer:---------

1. Output for total after the given segment is  10, If num had been initialized to 100, then 4 would be displayed. If num was initialized to 1, then 5 would be displayed.
2. C.if (control == 11)
3. a. (1 + a) != b; ==> False
   b. a >= 0; ==> True
   c. a <= (b * 2);  ==> False
4. a. a == 5;  ==> True
   b. 7 <= (a + 2); ==> True
   c. c <= 4;  ==> True
5. a. stateName
   b. cnt
   c. middleInitial