How To Create A Contacts Manager System In Java NetBeans
In This Java Project Serie we will See How To Make A Simple Contact Information Management System To Manage friends, colleague, familly, informations ( address, phone numbers, email address ) Using Java With Netbeans Editor And MySQL Database To Store The Users and Contacts Information .
How It Work:
1 - SignUp Form
in this form a new user can register to the system and we will use a isUsernameExist function to check if the user name is already exists in the database, and browseImage function from Myfunc class to browse and show image into a jlabel ( in this form jlabel name is jLabelPic ), + a verifData function to check if
- the first name + last name + username + password are not empty
- the password is equal to the retype password field
- the user selected or not an image
and when you click on jLabelCreateAccount this form will close and login form will open .
2 - Login Form
in this form the user can logIn to the system by entering the username and password
if you enter the wrong username or password an error message will popup else the main form
the user can show and hide the password characters by checking the checkbox (
jCheckBoxShowPass
)
and when you click on jLabelCreateAccount this form will close and SignUp form will open
.
3 - Main Form
when the user login
successfully this form will show up with the logged user profile pic and username displayed in the form top left .
as you can see when the user login a contact list will showup in the jtable at the bottom of the form, when you select a row from the jtable the data will be displayed into the fields .
you can add edit delete contacts , navigate between contacts, see contacts .
Functions Used In This Form
populateJtable : to display the logged user contacts in jtabel .
browseImage : to browse image from the computer to the jlabel .
insertContact : function from contactQuery class to insert a new contact into the database .
refreshJtable : to clear and populate a jtable again after insert update delete to show the new data .
clearFields : to clear all fields, set the combobox selected index to 0, set jtabel icon to null, set imgPath to null .
updateContact : function from contactQuery class to edit the selected contact information .
deleteContact : function from contactQuery class to remove the selected contact information from the database .
showData : to navigate between contacts ( show first, next, pervious, last ) .
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