public class Student {

    private String name;
    public int averageGrade;

    // (1) constructor without parameters
    public Student() {
        name = "Unknown";
        averageGrade = 5;
    }

    // (2) constructor with two parameters; used to set the name and the grade
    public Student(String n, int avg) {
        name = n;
        averageGrade = avg;
    }

    // (3) constructor with one parameter; used to set only the name
    public Student(String n) {
        this(n, 5); // call the second constructor (2)
    }

    // (4) setter for the field 'name'
    public void setName(String n) {
        name = n;
    }

    // (5) getter for the field 'name'
    public String getName() { 
        return name; 
    }
}