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  • Question
  • Which of the following will be the correct output for the C#.NET code snippet given below?

    String s1 = "Five Star";
    String s2 = "FIVE STAR";
    int c;
    c = s1.CompareTo(s2);
    Console.WriteLine(c);


  • Options
  • A. 0
  • B. 1
  • C. 2
  • D. -1
  • E. -2

  • Correct Answer
  • -1 


  • Strings problems


    Search Results


    • 1. Which of the following is correct about the C#.NET snippet given below?

      namespace CuriousTabConsoleApplication
      { 
          class Baseclass
          { 
              public void fun()
              { 
                  Console.WriteLine("Hi" + " ");
              } 
              public void fun(int i)
              {
                  Console.Write("Hello" + " ");
              } 
          } 
          class Derived: Baseclass
          {
              public void fun()
              {
                  Console.Write("Bye" + " ");
              } 
          } 
          class MyProgram
          { 
              static void Main(string[ ] args)
              { 
                  Derived d; 
                  d = new Derived(); 
                  d.fun(); 
                  d.fun(77);
              } 
          } 
      }

    • Options
    • A. The program gives the output as: Hi Hello Bye
    • B. The program gives the output as: Bye Hello
    • C. The program gives the output as: Hi Bye Hello
    • D. Error in the program
    • Discuss
    • 2. Which of the following can be facilitated by the Inheritance mechanism?

      1. Use the existing functionality of base class.
      2. Overrride the existing functionality of base class.
      3. Implement new functionality in the derived class.
      4. Implement polymorphic behaviour.
      5. Implement containership.

    • Options
    • A. 1, 2, 3
    • B. 3, 4
    • C. 2, 4, 5
    • D. 3, 5
    • Discuss
    • 3. Assume class B is inherited from class A. Which of the following statements is correct about construction of an object of class B?

    • Options
    • A. While creating the object firstly the constructor of class B will be called followed by constructor of class A.
    • B. While creating the object firstly the constructor of class A will be called followed by constructor of class B.
    • C. The constructor of only class B will be called.
    • D. The constructor of only class A will be called.
    • E. The order of calling constructors depends upon whether constructors in class A and class B are private or public.
    • Discuss
    • 4. Which of the following statements are correct about Inheritance in C#.NET?

      1. A derived class object contains all the base class data.
      2. Inheritance cannot suppress the base class functionality.
      3. A derived class may not be able to access all the base class data.
      4. Inheritance cannot extend the base class functionality.
      5. In inheritance chain construction of object happens from base towards derived.

    • Options
    • A. 1, 2, 4
    • B. 2, 4, 5
    • C. 1, 3, 5
    • D. 2, 4
    • Discuss
    • 5. In an inheritance chain which of the following members of base class are accessible to the derived class members?

      1. static
      2. protected
      3. private
      4. shared
      5. public

    • Options
    • A. 1, 3
    • B. 2, 5
    • C. 3, 4
    • D. 4, 5
    • Discuss
    • 6. Which of the following statements are true about the C#.NET code snippet given below?

      String s1, s2; 
      s1 = "Hi"; 
      s2 = "Hi";
      1. String objects cannot be created without using new.
      2. Only one object will get created.
      3. s1 and s2 both will refer to the same object.
      4. Two objects will get created, one pointed to by s1 and another pointed to by s2.
      5. s1 and s2 are references to the same object.

    • Options
    • A. 1, 2, 4
    • B. 2, 3, 5
    • C. 3, 4
    • D. 2, 5
    • Discuss
    • 7. Which of the following will be the correct output for the C#.NET code snippet given below?

      String s1 = "Nagpur";
      String s2;
      s2 = s1.Insert(6, "Mumbai"); 
      Console.WriteLine(s2);

    • Options
    • A. NagpuMumbair
    • B. Nagpur Mumbai
    • C. Mumbai
    • D. Nagpur
    • E. NagpurMumbai
    • Discuss
    • 8. Which of the following is correct way to convert a String to an int?

      1. String s = "123"; 
        int i;
        i = (int)s;
      2. String s = "123";
        int i;
        i = int.Parse(s);
      3. String s = "123"; 
        int i;
        i = Int32.Parse(s);
      4. String s = "123"; 
        int i;
        i = Convert.ToInt32(s);
      5. String s = "123"; 
        int i;
        i = CInt(s);

    • Options
    • A. 1, 3, 5
    • B. 2, 4
    • C. 3, 5
    • D. 2, 3, 4
    • Discuss
    • 9. If s1 and s2 are references to two strings, then which of the following is the correct way to compare the two references?

    • Options
    • A. s1 is s2
    • B. s1 = s2
    • C. s1 == s2
    • D. strcmp(s1, s2)
    • E. s1.Equals(s2)
    • Discuss
    • 10. The string built using the String class are immutable (unchangeable), whereas, the ones built- using the StringBuilder class are mutable.

    • Options
    • A. True
    • B. False
    • Discuss


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