public class boks<T>{
    T data;

    public boks(T data){
        this.data = data;
    }

    public void setElement(T newData){
        data = newData;
    }

    public T getElement(){
        return data;
    }

    public static void main(String[] args) {
        boks<String> b = new boks<String>("heisan");
    }
}