private E[] data;
private int size;

public Array(int size, E[] data)
{
    this.size=size;
    for(int i=0; i<size; i++) this.data[i]=data[i];
}

public String toString()
{
    String s=new String();
    for(int i=0; i<size; i++) s+=data[i]+" ";
    return s;
}

public static void main(String[] args) {
    // TODO Auto-generated method stub
    int A[]= {1, 3, 5, 7};
    Array<Integer> niza=new Array<Integer>(4, A);
    System.out.println(niza.toString());
}

at test.Main.main(Main.java:8)