Creating array of object in another class

Question

I am trying to create an array of objects from Person objects in Employee class but I am getting these errors:

CS0270 Array size cannot be specified in a variable declaration (try initializing with a 'new' expression)

CS1519 Invalid token '.' in class, struct, or interface member declaration CS1519

Invalid token '=' in class, struct, or interface member declaration

    void Main()
    {
    
    }
    
    public class Person{
        public string Name{ get; set;}
    }
    public class Employee{
        Person[] persons = new Person[3];
        persons[0].Name = "Ali";
    }

What am I doing wrong?

@Behseini, that is how c# was designed. Contrary to, let's say PHP, you have to organize your code certain way. — Nino
– Nino, Commented Apr 21, 2017 at 7:14

Nino · Accepted Answer · 2017-04-20 21:21:45Z

3

Assigning value to persons array's first element cannot be done this way. You have to do it inside method or constructor. Something like this:

public class Employee
{
    Person[] persons = new Person[3];

    //through constructor
    public Employee()
    {
        persons[0].Name = "Ali";
    }

    //method that takes index and name
    public void AddPerson(int index, string name)
    {
        persons[index].Name = name;
    }
}

answered Apr 20, 2017 at 21:21

Nino

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7 Comments

John Odom Over a year ago

+1 but the function does not have anything to prevent the user from inputting an index higher than what the array can support.

Behseini Over a year ago

Thanks a lot Nino but can you please also let me know what is the logic behind this?

Nino Over a year ago

@JohnOdom that is true, but this is only an example, that shows basic usage.

Nino Over a year ago

@Behseini take a look at documentation that explains classes and structs

Rahul Over a year ago

@Behseini, check the index and compare with length of array

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