Basic JAVA code for creating classes, objects, and methods and should birthday's be created as a string or a date?

Is this the correct syntax for creating a class, objects, and methods in Java

---For Defining a Class named Person and amethod named age

Class Person
     string Fname
     string Lname
     string Birthday

  int age ( )
    return Date – getJulian(Birthday)

-- For Defining 2 Objects named Employee and Student

Person Employee = new Person ( );  int e_age;
Person Student = new Person ( );  int s_age;

--- For assigning attributes values

Employee.Fname = ‘Sam’
Employee.Lname = ‘Brown’
Employee.Birthday = ’07/13/73’
e_age = Employee. age ( )

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To define the class: (Observe that classnames start with a capital, and by convention variables do not, you might also want to have a constructor which is called whenever you create an instance of the class. By default the Object-class' constructor is used).

class Person {
     String fName;
     String lName;
     String birthday;
     int age() {
          return(Date -  this.birthday); //  This refers to this instansiation of the class
Defining two objects: (Actually creating two objects as well)
Correct, except for the variable convention.

Person employee = new Person();
int e_age;
Person student = new Person();
int s_age;
Assigning attribute values. Strings use double quotes (").

employee.fName = "Sam";
employee.fName = "Brown";
employee.birthday = "07/13/73";
e_age = employee.age( );

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