C#•3y ago

❔ (Very beginner)

Guys, I've got a class TvProgram(The program it self), and a class TvWeek(the programs in the week), the class TvWeek consists of a maximum of 100 programs, now I need to make a method that adds a program to the week and adds the amount of the current amount of programs in that week by 1. How do I do that?

    internal class TvWeek
    {
        private TvWeek()
        {
            TvProgram[] arrProg = new TvProgram[100];
        }
        private int current;
        public void TvProgramAdd(TvProgram Program)
        {
            arrProg[current++] = Program;
        }
    }
}

    internal class TvWeek
    {
        private TvWeek()
        {
            TvProgram[] arrProg = new TvProgram[100];
        }
        private int current;
        public void TvProgramAdd(TvProgram Program)
        {
            arrProg[current++] = Program;
        }
    }
}

    internal class TvWeek
    {
        private TvWeek()
        {
            TvProgram[] arrProg = new TvProgram[100];
        }
        private int current;
        public void TvProgramAdd(TvProgram Program)
        {
            arrProg[current++] = Program;
        }
    }
}

    internal class TvWeek
    {
        private TvWeek()
        {
            TvProgram[] arrProg = new TvProgram[100];
        }
        private int current;
        public void TvProgramAdd(TvProgram Program)
        {
            arrProg[current++] = Program;
        }
    }
}

phaseshift•1/15/23, 1:10 AM

Use a list instead

Str1keOP•1/15/23, 1:10 AM

We didn't learn lists yet

Str1keOP•1/15/23, 1:10 AM

I need to do it somehow without

phaseshift•1/15/23, 1:11 AM

Well arrays are fixed size

Str1keOP•1/15/23, 1:11 AM

Yes

Str1keOP•1/15/23, 1:12 AM

It doesn't need to go beyond 100

phaseshift•1/15/23, 1:12 AM

Ok. So what's wrong with what you have?

Str1keOP•1/15/23, 1:13 AM

Str1keOP•1/15/23, 1:13 AM

it doesn't see the arrProg from the TvWeek

phaseshift•1/15/23, 1:13 AM

Paste text not images please

Str1keOP•1/15/23, 1:13 AM

Compiler Error CS0103 - The name 'identifier' does not exist in the current context

phaseshift•1/15/23, 1:13 AM

Why do you think that is? Where did you define it?

Str1keOP•1/15/23, 1:14 AM

I defined it in the class

phaseshift•1/15/23, 1:14 AM

Nope

phaseshift•1/15/23, 1:14 AM

Kinda, but nope

Str1keOP•1/15/23, 1:14 AM

xd, if I define it in another method it won't see it in another?

Str1keOP•1/15/23, 1:14 AM

Even tho it's in the same class?

phaseshift•1/15/23, 1:15 AM

Correct

Str1keOP•1/15/23, 1:15 AM

mhmm, so It's only possible to do this question by making a new array in the new method?

phaseshift•1/15/23, 1:15 AM

Str1keOP•1/15/23, 1:15 AM

Because it feels kinda strange

phaseshift•1/15/23, 1:15 AM

Look how you defined current

Str1keOP•1/15/23, 1:16 AM

Yes

Str1keOP•1/15/23, 1:16 AM

I don't get it

phaseshift•1/15/23, 1:16 AM

What's the difference between that and your array?

Str1keOP•1/15/23, 1:17 AM

Good question

phaseshift•1/15/23, 1:18 AM

You can't see any difference?

Str1keOP•1/15/23, 1:18 AM

I can see a difference

Str1keOP•1/15/23, 1:18 AM

I defined the TvWeek

Str1keOP•1/15/23, 1:18 AM

and didn't the " current"

phaseshift•1/15/23, 1:18 AM

You did

Str1keOP•1/15/23, 1:19 AM

I didn't encounter questions like this with arrays before

Str1keOP•1/15/23, 1:19 AM

So I have hard time understand what's wrong with how I defined the TvWeek

phaseshift•1/15/23, 1:20 AM

It's nothing to do with arrays

phaseshift•1/15/23, 1:20 AM

It's basic c# syntax

phaseshift•1/15/23, 1:21 AM

Where is current defined?

Str1keOP•1/15/23, 1:21 AM

in " internal class TvWeek "

phaseshift•1/15/23, 1:21 AM

Right. In the class body

phaseshift•1/15/23, 1:22 AM

Notice the compiler is not complaining about the use of current in your method

Str1keOP•1/15/23, 1:22 AM

ohh

Str1keOP•1/15/23, 1:22 AM

$code

SStr1ke $code

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Str1keOP•1/15/23, 1:22 AM

namespace PrepForExam
{
    internal class TvWeek
    {
            TvProgram[] arrProg = new TvProgram[100];

        private int current;

        public void TvWeekAddProgram(TvProgram Program)
        {
            arrProg[current++] = Program;
            
        }
    }
}

namespace PrepForExam
{
    internal class TvWeek
    {
            TvProgram[] arrProg = new TvProgram[100];

        private int current;

        public void TvWeekAddProgram(TvProgram Program)
        {
            arrProg[current++] = Program;
            
        }
    }
}

Str1keOP•1/15/23, 1:23 AM

but they say, that TvWeek has two parameters - array in a length of 100 TvPrograms and current in int

Str1keOP•1/15/23, 1:24 AM

Is that considered a parameter of the class TvWeek?

phaseshift•1/15/23, 1:24 AM

Parameters are inputs to methods (including constructors)

Str1keOP•1/15/23, 1:25 AM

So that's not a parameter

Str1keOP•1/15/23, 1:26 AM

You know how can I make it a parameter and use it in the class?

phaseshift•1/15/23, 1:26 AM

Look up constructors

Str1keOP•1/15/23, 1:26 AM

Yes

namespace PrepForExam { internal class TvWeek { TvProgram[] arrProg = new TvProgram[100]; private int current; public void TvWeekAddProgram(TvProgram Program) { arrProg[current++] = Program; } } }

❔ (Very beginner)

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