下面的语句怎么改正呢?
BigInteger a = new BigInteger(text);
BigInteger aa = (BigInteger)a.clone();
编译器提示:
clone() has protected access in Object
BigInteger aa = (BigInteger)a.clone();
^
BigInteger a = new BigInteger(text);
BigInteger aa = (BigInteger)a.clone();
编译器提示:
clone() has protected access in Object
BigInteger aa = (BigInteger)a.clone();
^
BigInteger aa = new BigInteger(a.toString());
BigInteger aa = new BigInteger(a);copy constructor