Retrieves the value of the designated NCHAR, NVARCHAR or LONGNVARCHAR parameter as a String in the Java programming language.

For the fixed-length type JDBC NCHAR, the String object returned has exactly the same value the SQL NCHAR value had in the database, including any padding added by the database.

Parameters:

parameterIndex

index of the first parameter is 1, the second is 2, ...

Returns:  a String object that maps an NCHAR, NVARCHAR or LONGNVARCHAR value

Exceptions:

SQLException		if the parameterIndex is not valid; if a database access error occurs or this method is called on a closed CallableStatement
SQLFeatureNotSupportedException		if the JDBC driver does not support this method

See also:
setNString

Since:  1.6