You want to create a list of 3 Student objects with names "Anna", "Ben", and "Cara" using object instantiation with new. Which code correctly does this?
hard🚀 Application Q8 of 15
C Sharp (C#) - Classes and Objects
You want to create a list of 3 Student objects with names "Anna", "Ben", and "Cara" using object instantiation with new. Which code correctly does this?
Avar students = new List<Student> { new Student("Anna"), new Student("Ben"), new Student("Cara") };
Bvar students = new List<Student>(); students = { "Anna", "Ben", "Cara" };
Cvar students = new List<Student>(); students.Add("Anna", "Ben", "Cara");
Dvar students = new List<Student> { Student("Anna"), Student("Ben"), Student("Cara") };
Step-by-Step Solution
Solution:
Step 1: Understand list initialization with objects
To create a list with objects, use collection initializer with new Student() for each item.
Step 2: Evaluate each option
var students = new List { new Student("Anna"), new Student("Ben"), new Student("Cara") }; correctly creates new Student objects inside the list initializer. Others have syntax errors or wrong method calls.
Final Answer:
var students = new List { new Student("Anna"), new Student("Ben"), new Student("Cara") }; -> Option A
Quick Check:
Use new inside list initializer for objects [OK]
Quick Trick:Use new ClassName() inside collection initializers [OK]
Common Mistakes:
MISTAKES
Trying to assign strings directly to object list
Using Add with multiple arguments incorrectly
Omitting new keyword for objects
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