Assignment Questions

Which of the following statements is true concerning Convert.Tolnt32 and Int.Parse? Int.Parse Can’t Handle Null values It will throws ArgumentNullException Error. Convert.Tolnt32 Can’t Handle Null Values, it will throws rgumentNullException error Both can Handle Null values Both are Same with regards to Null values ___ is when a method defined in an abstract class is implemented in a child class. Overloading Multiplexing Duplexing

Which of the following statements are TRUE about the NET CLR? It provides a language-neutral development & execution environment. It ensures that an application would not be able to access memory that it is not authorized to access. It provides services to run “managed” applications. The resources are garbage collected. It provides services to run “unmanaged” applications. Only 1 and 2 Only 1, 2 and 4 1, 2, 3, 4 Only 4 and 5 Can a abstract class be instantiated directly? Yes No No answer text provided. No answer text provided.

Which of the following standard query operator returns the common elements from two collections? Distinct Except Intersect Union Expression tree is ___. In-memory representation of lambda expression Binary tree like data structure for better LINQ support Second argument in Task.Start () Binary representation of DOM structure

Which of the following standard query operator returns the differences between the two collections? Distinct Except Intersect Union Which of the following standard query operator returns the unique elements from two collections? Distinct Except Intersect Union

OrderByDescending is NOT supported in ___. Query syntax Method syntax Lambda expressions Task definitions Lambda expression can be invoked like a delegate. True False only if used in a LINQ query

(c) The following data shows the number of people expected in a coffee shop between the hours 09.00-18.00. You are required to build a polynomial model of this and determine the coefficients that can be used to predict a value of y, given an input value x. Assume that the degree of the polynomial is 5, and y is already in the MATLAB workspace (i.e. x needs to be generated).

Which of the following statement is TRUE? The lambda expression is nothing but an extension method. The lambda expression is a style of representing dynamic types. The lambda expression is nothing but static delegate method. The lambda expression is a shorter way of representing anonymous methods. Lambda and Linq extension methods are the same. s = > s.Age > 12 && s.Age

ar teenAgerStudent = from s in studentList where s.Age > 12 && s.Age s.Age > 12 && s.Age

Which of the following statement is TRUE? LINQ API is a bunch of extension methods included in System. Linq. Enumerable and System.Linq. Queryable class. LINQ API is a bunch of abstract methods included in Enumerable and Queryable classes. LINQ API is bunch of queries written in C# and VB. None of the above All of the Above Which of the following types of syntax LINQ supports? Query syntax Method syntax All of the above None of the above