Q4. The classes Datelnfo and Student in different packages 1. Create two packages, calendar, and personal_data 2. Create a class called Datelnfo inside the package calendar 3. The class Datelnfo has...

Extracted text: Q4. The classes Datelnfo and Student in different packages 1. Create two packages, calendar, and personal_data 2. Create a class called Datelnfo inside the package calendar 3. The class Datelnfo has only three variables, day (type integer), month (integer), year (integer). 4. The three variables day, month and year, are invisible outside the class Datelnfo. 5. Define a constructor for the class Datelnfo with three-arguments to initialize the variables day, month and year. 6. Write a method called getDateFormat, that returns a date format example; 19/4/2016 (the method returns a String type for simplification) 7. Create a class called Person inside the package personal_data. 8. The Person class has only two variables, name (type String) and birthDate (type Datelnfo). 9. Create two Person objects for Omar and Rami, Omar's birthDate is 28/8/1998 and Rami's birthDate is 13/9/1996