gs gs108 Arrays and Strings - Use of Variable Arguements - Quiz No.1
gs gs108 CSharp Quiz
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Question 1: The method in which large or variable number of arguments are handled is known as ________________
Value parameters
Output parameters
Parameter arrays
None of the mentioned
Question 3: What will be the output of the following C# code?
static void Main(string[] args) { object[] a = {" 1 ", 4.0f, " harsh "}; fun(a); Console.ReadLine(); } static void fun(params object[] b) { for (int i = 0; i < b.Length - 1; i++) Console.WriteLine(b[i] + " "); }
1 4.0 harsh
1 4
1 4 hars
1 4 harsh
Question 4: Which of the following statements are correct?
C SHARP allows a function to have arguments with default values
C SHARP allows a function to have variable number of arguments
Params are used to specify the syntax for a function having arguments
Omitting the return value type in method definition results into an exception
Question 5: What will be the output of the following C# code?
static void Main(string[] args) { int [] a = {1, 2, 3, 4, 5}; fun(a); Console.ReadLine(); } static void fun(params int[] b ) { int[] k = { 3, 4, 7, 8,'\0' }; for (int i = 0; i < b.Length; i++) { b[i] = b[i] + k[i] ; Console.WriteLine( b[i] + " "); } }
Compile time error
3, 4, 7, 8, 5
3, 4, 7, 8, 5, 1, 2, 3, 4, 5
4, 6, 10, 12, 5
Question 6: What will be the output of the following C# code?
static void Main(string[] args) { int [] a = {1, 2, 3, 4, 5}; fun(a); Console.ReadLine(); } static void fun(params int[] b ) { for (int i = 0; i < b.Length; i++) { b[i] = b[i] * 5 ; Console.WriteLine(b[i] + ""); } }
1, 2, 3, 4, 5
5, 10, 15, 20, 25
5, 25, 125, 625, 3125
6, 12, 18, 24, 30
Question 7: What will be the output of the following C# code?
static void Main(string[] args) { int[] a = {2, 21, 34, 46, 85, 88, 90}; fun(a); Console.ReadLine(); } static void fun(params int[] b) { int[] c = {1, 2, 3, 4, 5, 6, 7}; int i, j = 0; for (i = 0; i < b.Length; i++) if (b[i] % 2 == 0) { c[j++] = b[i]; } for (i = 0; i < j; i++) { Console.Write(c[i] + " "); } }
Compile time error
2, 21, 34, 4, 6, 46, 88, 90
2, 4, 34, 46, 6, 88, 90
2, 34, 46, 88, 90
Question 8: Select the correct declaration of the defining array of parameters.
void func(int[] x) { } void func(int x) { } void func(param int[]) { } void fun(param int[] x) { }
Question 9: What will be the output of the following C# code?
static void Main(string[] args) { int[] x = { 80, 82, 65, 72, 83, 67 }; fun(x); Console.ReadLine(); } static void fun(params int [] b ) { int i; for (i = 5; i >=0 ; i--) { Console.WriteLine(Convert.ToChar(b[i])); } }
67 83 72 65 82 80
P R A H S C
C S H A R P
80 82 65 72 83 67
Question 10: What will be the output of the following C# code?
static void Main(string[] args) { int[] x = {65, 66, 67, 68, 69, 70}; fun(x); Console.ReadLine(); } static void fun(params int[] b ) { int i; for (i = 5; i > 0 ; i--) { b[i] = b[i] + 32; Console.WriteLine(Convert.ToChar(b[i])); } }
A, B, C, D, E, F
F, E, D, C, B, A
f, e, d, c, b
b, c, d, e, f
