gs gs108 Looping Statements - IF Statements - Quiz No.1
gs gs108 CSharp Quiz
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Question 1: What will be the output of the following C# code?
static void Main(string[] args) { int i = 30; int j = 25 % 25; if (Convert.ToBoolean(Convert.ToInt32(i = j))) { Console.WriteLine("In if"); } else { Console.WriteLine("In else"); } Console.WriteLine("In main"); Console.ReadLine(); }
In if
In else
In if In mainIn else In main
Question 2: What will be the output of the following C# code?
static void Main(string[] args) { int i; int b = 8, a = 32; for (i = 0; i <= 10; i++) { if ((a / b * 2)== 2) { Console.WriteLine( i + " "); continue; } else if (i != 4) Console.Write(i + " "); else break; } Console.ReadLine(); }
1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8
0 1 2 3
0 1 2 3 4
Question 4: What will be the output of the following C# code?
static void Main(string[] args) { int i, j; for (i = 2; i >= 0; i--) { for (j = 0; j <= 2; j++) { if (i == j) { Console.WriteLine("1"); } else { Console.WriteLine("0"); } } Console.WriteLine("\n"); Console.ReadLine(); } } 1 0 0 0 1 0 0 0 1 0 1 0 1 0 0 0 0 1 0 0 1 0 1 0 1 0 0 1 0 0 0 0 1 0 1 0
Question 5: Select the correct 'if statement' to be filled in the following C# code?
static void Main(string[] args) { int []num = {50, 65, 56, 88, 43, 52}; int even = 0, odd = 0; for (int i = 0 ;i < num.Length ;i++) { /*___________________________*/ } Console.WriteLine("Even Numbers:" +even); Console.WriteLine("Odd Numbers:" +odd); Console.ReadLine(); } if ((num % 2) == 0) { even += 1; } else { odd += 1; } if((num * i) == 0) { even += 1; } else { odd += 1; } if(num[i] % 2 == 0) { even += 1; } else { odd += 1; } if(num[i] % 2 = 0) { even += 1; } else { odd += 1; }
Question 6: What will be the output of the following C# code?
static void Main(string[] args) { int a = 15, b = 10, c = 1; if (Convert.ToBoolean(a) && (b > c)) { Console.WriteLine("cquestionbank"); } else { break; } }
cquestionbank
It will print nothing
Compile time error
Run time error
Question 7: What will be the output of the following C# code?
static void Main(string[] args) { int a = 5; if (Convert.ToBoolean((.002f) -(0.1f))) Console.WriteLine("Sachin Tendulkar"); else if (a == 5) Console.WriteLine("Rahul Dravid"); else Console.WriteLine("Ms Dhoni"); Console.ReadLine(); }
Rahul Dravid
Sachin Tendulkar
Ms Dhoni
Warning : Unreachable Code
Question 8: What will be the output of the following C# code?
static void Main(string[] args) { int a = -1; int b = -1; if (Convert.ToBoolean (++a = ++b)) Console.WriteLine("a"); else Console.WriteLine("b"); Console.ReadLine(); }
a
b
Compile time error
Code execute successfully with no output
Question 9: What will be the output of the following C# code?
static void Main(string[] args) { int a = 5, b = 10; if (Convert.ToBoolean(Convert.ToInt32(0xB))) if (Convert.ToBoolean(Convert.ToInt32(022))) if (Convert.ToBoolean(Convert.ToInt32('\xeb'))) Console.WriteLine("java"); else ; else ; else ; }
Compile time error: Misplaced else
Compile time error: Undefined symbol
java
Warning: Condition is always true
