JDBC Select Query multi table

问题

address

addrId	street
1	Berkeley
0	Berkeley

name

addrId	name
0	Fred Jam
1	Bread Mi

...
String sql = "select * from address, name";

statement = connection.createStatement();
ResultSet results = statement.executeQuery(sql);

...

when this code execute, occur Error

Error Message is

"java.sql.SQLException: Cannot invoke "[Ljava.lang.String;.clone()" because "columnNames" is null"

I want to play "select * from join table"

What do i do?

Help me please.

来源：https://stackoverflow.com/questions/65295701/jdbc-select-query-multi-table