ResultSet对象是什么样的？

Question

Is it like an array or is it like a database/excel table ? Or something else ?

Answer 1

I think the best way to know that is to look at the javadoc here

http://docs.oracle.com/javase/6/docs/api/java/sql/ResultSet.html

In the javadoc you have code sample to get and use such objects.

Answer 2

It is JDBC driver dependant, ResultSet is just an interface. But in principle the closest you can get is an Iterator . ResultSet gives you one result at a time and allows to query whether there are any more results. Theoretically ResultSet can fetch one record at a time as well.

Answer 3

Taken from javadocs:

A table of data representing a database result set, which is usually generated by executing a statement that queries the database.

http://docs.oracle.com/javase/6/docs/api/java/sql/ResultSet.html