Up-casting and down-casting

Assignment Help C/C++ Programming

Reference no: EM13760686

Question 1
What is up-casting and down-casting?

Question 2:
What is the difference between "is" and "as" when down-casting an object?

Question 3
Assume you are given a class Student below
public class Student
{
private string stuID;
private string stuName;
private int grade;
}
Please provide a mutator of grade which is used to change the grade. If the input grade is less than 0 or greater than 100, no change is made.

Question 4
What is polymorphism?

Question 6
Please write down the results of the following code segments.
String str1 = "aaa";
String str2 = "AAA";
Console.WriteLine(str1.Equals(str2));

Reference no: EM13760686

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