Wenn "hallo" ein Parameter für einen Konstruktor / eine Methode ist, dann sollte das schon passen.
/**
* Initializes a newly created {@code String} object so that it represents
* the same sequence of characters as the argument; in other words, the
* newly created string is a copy of the argument string. Unless an
* explicit copy of {@code original} is needed, use of this constructor is
* unnecessary since Strings are immutable.
*
* @param original
* A {@code String}
*/
/** Die Variable <code>hallo</code> macht... */