Type conversion Practice Test PDF Download eBook - 60

MCQ: Select a solution for the following statements: <br /><code> static void Main(string[] args) { int num1 = 20000; int num2 = 50000; long total; total = num1 + num2; Console.WriteLine("Total is : " +total); Console.ReadLine(); }</code>

1. Compiler will generate runtime error
2. Conversion is implicit type, no error generation
3. Specifying data type for conversion externally will solve the problem
4. None of the mentioned

MCQ: What will the following code result into <br/> <code> byte destinationVar; short sourceVar = 281; destinationVar = (byte)sourceVar; Console.WriteLine("sourceVar val: {0}", sourceVar); Console.WriteLine("destinationVar val: {0}", destinationVar); </code>

1. sourceVar val: 281 destinationVar val: 25
2. sourceVar val: 281 destinationVar val: 281
3. sourceVar val: 281 destinationVar val: ?
4. sourceVal val:281 destinationVar val: e^25

MCQ: The type that cannot be used as a data type for an enum in C#.NET is

1. short type
2. double
3. int
4. float

MCQ: Choose the correct statement regarding the code <br/> <code> struct Book { private String name; private int noofpages; private Single price; } Book b = new Book(); </code>

1. The structure variable 'b' will be created on the heap
2. We can add a zero-argument constructor to the above structure.
3. When the program terminates, variable b will get garbage collected.
4. The structure variable b will be created on the stack.

MCQ: The correct of the following regarding interfaces in C# is

1. One class can implement only one interface.
2. In a program if one class implements an interface then no other class in the same program can implem
3. From two base interfaces a new interface cannot be inherited.
4. Properties can be declared inside an interface.