- Method in interface java.sql.SQLInput 
public boolean wasNull () throws SQLException 
Determines whether the last value read was null.Returns: true if the most recently gotten SQL value was null; otherwise, falseThrows: SQLException - if a database access error occurs

- Method in interface java.sql.CallableStatement 
public boolean wasNull () throws SQLException 
Indicates whether or not the last OUT parameter read had the value of SQL NULL. Note that this method should be called only after calling the get method; otherwise, there is no value to use in determining whether it is null or not.Returns: true if the last parameter read was SQL NULL; false otherwise.Throws: SQLException - if a database access error occurs

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