public int[] toArray(){
  int[] value=new int[_size];
  System.arraycopy(_data,0,value,0,_size);
  return value;
}

public int [ ] toArray ( ) { int [ ] value = new int [ _size ] ; System . arraycopy ( _data , 0 , value , 0 , _size ) ; return value ; }
return a new int array with the contents .
