Arrays And Strings In C Sharp — Part 2 MCQs with Explanations

ToCharArray() is the correct answer to “In C#, what method is used to convert a string to an array of characters”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

int[][] jaggedArray = new int[2][] is the correct answer to “What is the correct way to declare and initialize a jagged array with 2 rows in C#”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

text[1] is the correct answer to “What is the correct syntax to access the second character of a string named text in C#”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

4 is the correct answer to “What is the result of the expression Array.IndexOf(numbers, 5) where numbers = {1, 2, 3, 4, 5} in C#”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

Split() is the correct answer to “In C#, which method is used to split a string into substrings based on a specified delimiter”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

int[,] matrix = new int[3, 4] is the correct answer to “What is the correct way to declare and initialize a multidimensional array with 3 rows and 4 columns in C#”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

40, 12 is the correct answer to “What will be the output of the following C# code? class math { public int a,b; public math(int i, int j) { a = i; b = j; } public void sum(math m) { m.a *= 2; m.b += 2; } } class Program { static void Main(string[] args) { math t = new math(20, 10); t.sum(t); Console.WriteLine(t.a + " " + t.b); Console.ReadLine(); } }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

protected is the correct answer to “Which of these base classes are accessible to the derived class members”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

Encapsulation is the correct answer to “What is the process by which we can control parts of a program that can access the members of a class”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

doTrim() is the correct answer to “Which of these methods of class are used to remove the leading and backward whitespaces”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

Ilove CSHARP is the correct answer to “What will be the output of the following C# code? static void Main(string[] args) { String a = "Ilove"; String b = "CSHARP"; b = string.Concat(a, ' ', b); Console.WriteLine(b); Console.ReadLine(); }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

8 is the correct answer to “What will be the output of the following C# code? static void Main(string[] args) { String obj = "hello"; String obj1 = "world"; String obj2 = obj; string s = obj+" "+obj1; Console.WriteLine(s.IndexOf('r')); Console.ReadLine(); }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

We cannot modify characters contained in the string is the correct answer to “What does the term 'immutable' means in term of string objects”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

public, private, protected, internal, protected internal is the correct answer to “Accessibility modifier defined in a class are”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

getBytes() is the correct answer to “Which of these methods is an alternative to getChars() that stores the characters in an array of bytes”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

5040 is the correct answer to “What will be the output of the following C# code? static void main(string[] args) { int i; int res = fun (out i); console.writeline(res); console.readline(); } static int fun(out int i) { int s = 1; i = 7; for (int j = 1; j <= i; j++ ) s = s * j; return s; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

world is the correct answer to “What will be the output of the following C# code? static void Main(string[] args) { String obj = "hello"; String obj1 = "world"; String obj2 = obj; string s = obj + " " + obj1; Console.WriteLine(s.Substring(6 ,5)); Console.ReadLine(); }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

0, 0, 0 4, 4, 4 8, 8, 8 is the correct answer to “What will be the output of the following C# code? static void Main(string[] args) { int i, j; int[, ] arr = new int[ 3, 3]; for (i = 0; i < 3; ++i) { for (j = 0; j < 3; ++j) { arr[i, j] = i * 2 + i * 2; Console.WriteLine(arr[i, j]); } Console.ReadLine(); } }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

param is the correct answer to “The modifiers used to define an array of parameters or list of arguments is . . . . . . . .”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

1 4 harsh is the correct answer to “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] + " "); }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

ref int a, ref int b, ref float c is the correct answer to “Select the correct match of parameter declaration. static Void main(string[] args) { int a = 5; int b = 6; float c = 7.2f; math (ref a, ref b, ref c); Console.WriteLine(a + " " + b + " " + c); } static int math(/*add parameter declaration */) { a += b; b *= (int)c; c += a * b; return 0; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

C S H A R P is the correct answer to “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])); } }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

h is the correct answer to “What will be the output of the following C# code snippet? static void Main(string[] args) { string c = "hello"; string c1 = c.Remove(1); Console.WriteLine(c1); Console.ReadLine(); }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

Call by reference is the correct answer to “Which method does following C# code explains? static void Main(string[] args) { int a = 10, b = 20; method(ref a, ref b); console.writeline(a + " " + b); } static void swap(ref int i, ref int j) { int t; t = i; i = j; j = t; }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

5, 10, 15, 20, 25 is the correct answer to “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] + ""); } }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

boolean is the correct answer to “Which of these data type values is returned by equals() method of String class”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

'a' represents rectangular array of 2 columns and 3 arrays is the correct answer to “Which statement is correct about following C# code? int[, ]a={{5, 4, 3},{9, 2, 6}};”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

true true is the correct answer to “What will be the output of the following C# code? class Program { static void Main(string[] args) { String s1 = "I love You"; String s2 = s1; Console.WriteLine((s1 == s2) + " " + s1.Equals(s2)); Console.ReadLine(); } }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

Object.ToUpper() is the correct answer to “Correct way to convert a string to uppercase using string class method()”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

3 9 6 is the correct answer to “What will be the output of the following C# code? static void Main(string[] args) { string s = " i love you"; Console.WriteLine(s.IndexOf('l') + " " + s.lastIndexOf('o') + " " + s.IndexOf('e')); Console.ReadLine(); }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

Trim() is the correct answer to “The Method use to remove white space from a string”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

if (strcmp (s1 ,s2)) is the correct answer to “Correct way to find if contents of two strings are equal”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

TocharArray() is the correct answer to “Which of these methods can be used to convert all characters in a String into a character array”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

Hewwo is the correct answer to “What will be the output of the following C# code? static void Main(string[] args) { String c = "Hello"; String a ; a = c.Replace('l', 'w'); Console.WriteLine(a); Console.ReadLine(); }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

yo is the correct answer to “What will be the output of the following C# code snippet? static void Main(string[] args) { String c = "Hello i love you"; String a ; a = c.Substring(12, 3); Console.WriteLine(a); Console.ReadLine(); }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

String literals can contain any character literal including escape sequences is the correct answer to “Which of the following statements are correct”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

hello world 11 is the correct answer to “What will be the output of the following C# code? static void Main(string[] args) { String obj = "hello"; String obj1 = "world"; String obj2 = obj; Console.WriteLine(obj + " " + obj1); string s = obj + " " + obj1; Console.WriteLine(s.Length); Console.ReadLine(); }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

Trim() is the correct answer to “Which of these methods returns the string such that some characters which are specified to be removed from the end of strings are removed from string by mentioning the number of characters to be removed”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

True 0 is the correct answer to “What will be the output of the following C# code? static void Main(string[] args) { String obj = "hello"; String obj1 = "world"; String obj2 = obj; Console.WriteLine (obj.Equals(obj2) + " " + obj2.CompareTo(obj) ); Console.ReadLine(); }”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.

All of the mentioned is the correct answer to “To perform comparison operation on strings supported operations are . . . . . . . .”. This question is standard in competitive examination syllabi for Arrays And Strings In C Sharp.