Java Project | Login and Register Form with Certificate using NetBeans and Postgres-SQL

In this video we will see Login and Register form and connect this two forms with Postgres-SQL database.

What We Have Use To Build This Project ?
-Java Programming Language.
-NetBeans Editor.
-Postgres-SQL.

What I Have Done In This Project ?
-Designed 4 Frames Login, Register, Confirmation and Certificate resp..
-Login page has two options sign-in and sign-up .
-If user has account they will go for sign in (if the username and password present into database then sign-in will be successful otherwise login-error pop-up msg will be occurred ).
-If user does not have any account they will go for sign-up and registration form will open. Whatever the data will put into that form will be inserted into table which is created into Postgres using JDBC connection.
-After submitted registration form confirmation form will be open in which u have to enter vaccine details (if u entered same username which was used during registration then only confirmation form will submit or else error msg will occurred)after submitting all the detail you will be eligible to take certificate by sign-in the system.
-main aim to develop such kind of system is user does not always have to carry the proof of vaccine in his/her own interests. Wherever he/she goes and from wherever he/she logs-in, he/she will get his vaccination proof.

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Whare is full tutorial
How to create that