Array.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class Arrays : MonoBehaviour {
 
  public string[] familyMembers = new string[]{"Dharma","Greg","Zen","Karma","Serenity"};
  
  public int[] numbers;
  
  void Start(){
    numbers[0] = 1;
    numbers[1] = 2;
    numbers[2] = 3;
  }
  
}

ArrayLists.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class Lists : MonoBehaviour {

public ArrayLists inventory = new ArrayList();

void Start(){
  inventory.Add("Fish");
  inventory.Add(10);
  inventory.Add(GameObject.Find("Player");
  inventory.Add("Sword");
}

}

Dictionary.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class Lists : MonoBehaviour {

public Hashtable friends = new Hashtable();

void Start(){
  friends.Add("firstName", "Fish");
   
  Debug.Log((string)personalDetails["firstName"]);
}

}

Lists.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class Lists : MonoBehaviour {

public List<string> familyMembers = new List<string>();

void Start(){
  familyMembers.Add("Bob");
}

}