package lt.bit.omasyvas;

import java.util.Arrays;

public class OMasyas<T> {
    private T[] data;
    public OMasyas(int size){
        this.data=(T[]) new Object[size];
    }
    public void set(int index, T e) {
        if (data.length<=index || index<0) throw new RuntimeException("Indeksas viršyja masyvo dydį");
        this.data[index]=e;
    }

    public T get(int index) {
        if (data.length<=index || index<0) throw new RuntimeException("Indeksas viršyja masyvo dydį");
        return this.data[index];
    }

    public void push(T n){
        //data.
        T[] tmp=Arrays.copyOf(data,data.length+1);
        tmp[tmp.length-1]=n;
        data=tmp;

        /*
        T[] tmp=(T[]) new Object[data.length+1];
        for (int i=0; i<data.length; i++){
            tmp[i]=data[i];
        }
        tmp[tmp.length-1]=n;
        data=tmp;

         */
    }

    public String toString(){
        StringBuilder s=new StringBuilder("");
        for (int i=0; i<data.length; i++){
            s.append(i).append("=>").append(get(i)).append("  ");
        }
        return s.toString();
    }

}