Question: I am trying to display the dat within phoneNumber but I am getting a duplication error String phoneNumber = JOptionPane . showinputDialog ( What is

I am trying to display the dat within phoneNumber but I amI am trying to display the dat within phoneNumber but I am getting a duplication error

String phoneNumber = JOptionPane . showinputDialog ( "What is your phone number?"); while(phoneNumber.length) !- 10) JOptionPane.showMessageDialog(null, phoneNumber + " is invalid,"" please enter a valid 10 digit n String phoneNumberJOptionPane.showInputDialog("What is your phone number?"); JOptionPane.showMessageDialog(null, name"In "+jerseyNumber +"In" + phoneNumber)

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