object oriented #help

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netbeans

- Design and implement a Student class.

a. Each student has the following Data Fields:
 studentFirstName,
 studentLastName,
 studentAddress,
 studentBloodGroup must be: A, A-, B, B-, AB, AB-, O or O-. Nothing else.
 studentCity.

 Write the following elements :

 Write a Constructor to initialize the values of the Data Fields (attributes).  Write Accessor and Mutator methods for each data.
 Write a tostring() method to print all the student information’s to
standard output.
 Create a main class called StudentDemo.java that uses the student class.

a. Read student info’s from an input file students.txt and create a student object.
 Sample file : Students.txt
200912345 ahmad shamsi 11th street, nakheel A+ Al Ain
201023456 asmaa Nuaimi zayed street, tawiya O Dubai
201124456 rached teniji matter road, lissali B+ Abu Dhabi

b. Write a method that generates for a student a file named id.txt that contents same as the following example:
 200912345.txt
Student Id: 200912345
Student name: ahmad shamsi
Address: 11th street, nakheel
City: Al Ain
BloodType: A+