[JDBC] Help for java

I need help about connections Java program to Postgres databases, I have installed both, but I can't connect the database. _ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com ---(end of broa

[JDBC] How connect JDBC

I have a program's java, and I need read a Postgres database, How I can call the database from java. Thanks in advance. _ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com ---(end of broadcas