How we can use database in our java pragram

Question

I want connect my program to database but I don't know how!
I want learn that in eclipse and netbeans!
if you have a refrence, you can send it for me!
thank!!

Answer 1

https://www.javatpoint.com/steps-to-connect-to-the-database-in-java

Answer 2

http://www.homeandlearn.co.uk/java/connect_to_a_database_using_java_code.html

Answer 3

thank for your help