Solution Review: Calculate the Student's Total Marks

class Student {
  // Private fields
  private String name;
  private double mark1;
  private double mark2;
  // Default Constructor
  public Student() {
    name = "";
    mark1 = 0;
    mark2 = 0;
  }
  // Parameterized Constructor
  public Student(String name, double mark1, double mark2) { 
    this.name = name;
    this.mark1 = mark1;
    this.mark2 = mark2;
  }
  // Getter Function
  public double getMarks(int markNumber) {
    
    if(markNumber == 1)
      return mark1;
    else if(markNumber == 2)
      return mark2;
      return 0;
  }
  public double calcTotal() {
    // Write definition here
    double totalMarks = mark1 + mark2;
    return totalMarks;
  }
}
class Demo {
  public static void main(String args[]) {
    Student student = new Student("Jack", 60, 70);
    System.out.println(student.calcTotal());
  }
}