MyArrrayList

import java.util.*;

public class MyArrayList <T>{
   private Object Arr[];
   private int capacity;
   int size = 0;
   public MyArrayList(){
       capacity = 10;
       Arr = new Object[capacity];
   }
   
   int getSize(){
        return size;
    }
   
   public void Add(T value){
       if(size == capacity) Resize();
       Arr[size] = value;
       size++; 
   }
  
   public void Add(int index,T value){
       Add(value);
       for (int i = this.size-1; i > index; i--) {
           Object temp = Arr[i];
           Arr[i] = Arr[i-1];
           Arr[i-1] = temp;
       }
   }
    void AddAll(MyArrayList<T> arr){
        for (int i = 0; i < arr.size; i++) 
            Add(arr.get(i));
          
    } 
       
    public void Resize(){
        capacity*=2;
          Arr = Arrays.copyOf(Arr,size*2);
    }
    
    
    public void clear(){
       this.size = 0;
   }
   
    public boolean contains(T value){
        return indexOf(value) != -1;
    }
    
    public int indexOf(T value){
       for (int i = 0; i < size; i++) 
           if(Arr[i] == value)
               return i;
       return -1;
   }
    
   void set(int index, T value){
       if(index > size || index < 0)
           throw new ArrayIndexOutOfBoundsException("Index : " + index);
       Arr[index] = value;
   }
   
   public T get(int index){
         if(index < 0 || index > size)
            throw new ArrayIndexOutOfBoundsException("Index : " + index);
         return (T) Arr[index];
   }
   
   public T Remove(){
       T temp = (T)Arr[size-1];
       Arr[size-1] = null;
       size--;
       return temp;
   }
   
   public T Remove(int index){
        if(index < 0 || index > size)
            throw new ArrayIndexOutOfBoundsException("Index : " + index);
        
        T temp = (T) Arr[index];
        for(int i = index; i < size; i++)
            Arr[i] = Arr[i + 1];
        size--;
        return temp;
   }
   
   void revers(){
       for (int i = 0; i < size/2; i++) {
            T temp = (T) Arr[i];
            Arr[i] = Arr[size-1-i];
            Arr[size-1-i] = temp;
       }
   }
   
   
    public boolean isEmpty(){
          return this.size == 0;
    }
   
   
   public boolean equals(Object o){
       MyArrayList arr = (MyArrayList)o;
       if(arr.size == this.size){
            for(int i=0;i<this.size;i++)
                if(arr.get(i) != Arr[i])
                    return false;
            return true;
       }
       else return false;
   }
    
    @Override
    public String toString() {
        String s = "[";
       for(int i=0;i<size;i++){
           s+=Arr[i];
           if(i<size-1) s+=" , ";
       }
       return s+"]";
   }
  
}