Question

if the name angelina is entered by the user, what text will appear in the message dialog box?
string name = joptionpane.showinputdialog(\please enter your name: \);
joptionpane.showmessagedialog(null, \hello \ + name);
hello angelina hello null
hello name this code produces an error

Explanation:

The code first gets the user - entered name (in this case, "Angelina") and then concatenates it with "Hello " in the showMessageDialog call. So the message dialog will display "Hello Angelina".

Answer:

A. Hello Angelina