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last_updated: "2026-08-04T14:24:18.000Z"
---

# DataTypes

Learn how value and reference data types differ so you can reason more accurately about variables in C#.

Learn the important differences between Value and Reference data types, in order to better understand how variables work.

## 1. Data Types

[Video](http://www.youtube.com/watch?v=IVcx-tSxjys)

## **DatatypeScript**

```csharp
using UnityEngine;
using System.Collections;

public class DatatypeScript : MonoBehaviour 
{
    void Start () 
    {
        //Value type variable
        Vector3 pos = transform.position;
        pos = new Vector3(0, 2, 0);
        
        //Reference type variable
        Transform tran = transform;
        tran.position = new Vector3(0, 2, 0);
    }
}
```