C#-Loop

The purpose of using a loop is to

• Repeat operation(s) many times

• make decision

Which of the C# loops is not a pretest loop?

• for loop

• while loop

• do while loop

The break command is used to exit a loop.

• True

• False

Which of the followings is not a nested loop?

• for(i=0;i<10;i++)

  for(j=1;j<i+2;j++)

• for(i=0;i<10;i++)

  Console.Write("i={0}",i);

  for(j=1;j<i+2;j++)

  Console.Write("j={0}",j);

• for(i=0;i<10;i++)

  while(j%2!=0){ Console.Write("{0}\t{1}", j, j++);}

Which of the following statements about the while loop is not true?

• The while loop is a posttest loop.

• Testing condition is made before each iteration.

• The while loop statement must terminate with a semi-colon.

Qualè l'output del seguente codice?

• 1 2 3 4 5 6 7 8 9 10

• 0 1 2 3 4 5 6 7 8 9 10

• 1 2 3 4 5

• 0 1 2 3 4

Qual è l'output del seguente frammento di codice?

• if Clause executed

• else Clause executed

• if Clause executed

  Entered Main Function

• else Clause executed

  Entered Main Function

Qual è l'output del seguente frammento di codice?

• 1 2 3 4

  1 2 3 4 5

• 1 2 3

  1 2 3 4

• 1 2 3 4 5

  1 2 3 4

• 1 2 3 4 5

  1 2 3 4 5

Qual è l'output del seguente frammento di codice?

• 1 2 3 4

• 4 3 2 1

• 2 3 4 1

• 3 2 4 1

Qual è l'output del seguente frammento di codice

• 5 25

• 5 10 15 20 25 30 35 40 45 50

• 25 30

• 5 11 16 21 26 31 36 41 46 51