collections

What will be the output of the following code?

SortedList sortedlist=new SortedList()

{{2,True},

{1,"one"}};

foreach(DirectoryEntry de in sortedlist)

Console.Write(de.value);

• Compile-time Error

• Runtime Error

• 12

• One true

Which of the following is FIFO(First In FirstOut) Collection?

• Queue

• Stack

• ArrayList

• SortedList

What will be the Output of the following code?

int[ , ] x=new int[ 3,2 ];

Console.WriteLine(x.Length);

• 3

• 6

• 5

• 7

hich statement is correct in the following C#.NET code snippet?

1. Stack st = new Stack();

2. st.Push("Csharp");

3. st.Push(7.3);

4. st.Push(8);

5. st.Push('b');

6. st.Push(true);

• a) Unsimilar elements like “Csharp”, 7.3, 8 cannot be stored in the same stack collection

• b) Boolean values can never be stored in Stack collection

• c) Perfectly workable code

• d) All of the mentioned

Among the given collections which one is I/O index based?

• a) ArrayList

• b) List

• c) Stack

• d) Queue

A HashTable t maintains a collection of names of states and capital city of each state. Which among the following finds out whether “New delhi” state is present in the collection or not?

• a)

  t.HasValue("New delhi");

• b)

  t.ContainsKey("New delhi");

• c)

  t.HasKey("New delhi");

• d)

  t.ContainsValue("New delhi");

Which statement is correct about the C#.NET code snippet given below?

1. Stack st = new Stack();

2. st.Push("Csharp");

3. st.Push(7.3);

4. st.Push(8);

5. st.Push('b');

6. st.Push(true);

• a) Unsimilar elements like “Csharp”,7.3,8 cannot be stored in the same stack collection.
  
  
  

• b) Boolean values can never be stored in Stack collection

• c) Perfectly workable code

• d) All of the mentioned

What will be the output of the following code snippet when it is executed?
int x = 1;
float y = 1.1f;
short z = 1;
Console.Write.Line((float) x + y * z - (x += (short) y));

• 0.1

• 1.0

• 1.1

• 11

Which of the following is the correct output for the C#.NET code snippet given below?

Console.WriteLine(13 / 2 + " " + 13 % 2);

• A) 6.5 1

• B) 6.5 0

• C) 6 0

• D) 6 1

Which among the following is the correct way to access all the elements of the Stack collection created using the C#.NET code snippet given below?

1. Stack st = new Stack();

2. st.Push(10);

3. st.Push(20);

4. st.Push(-5);

5. st.Push(30);

6. st.Push(6);

• IEnumerable e; e = st.GetEnumerator(); while (e.MoveNext()) Console.WriteLine(e.Current);

• IEnumerator e; e = st.GetEnumerator(); while(e.MoveNext()) Console.WriteLine(e.Current);

• IEnumerable e; e = st.GetEnumerable(); while(e.MoveNext()) Console.WriteLine(e.Current);

• None of the mentioned