Question: JAVA PROGRAMMING: Create a class Person which is a super class. The class includes four private S……

JAVA PROGRAMMING:

Create a class Person which is a super class. The class includes four private String instance variables: first name, last name, social security number, and state. Write a constructor and get methods for each instance variable. Also, add a toString method to print the details of the person. After that create a class Teacher which extends the class, Person. Add a private instance variable to store number of courses. Write a constructor and a get method for the number of courses and override toString method for Teacher. Then, create PersonTest class and create an object from the class Teacher and an object from the class Person. Display the details of Teacher and Person.

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answers

Following is the answer:

Person.java

public class Person {
    private String fname;
    private String lname;
    private int ssn;
    private String state;

    Person(String fname, String lname, int ssn, String state){
        this.fname = fname;
        this.lname = lname;
        this.ssn = ssn;
        this.state = state;
    }

    public String getFname() {
        return fname;
    }

    public void setFname(String fname) {
        this.fname = fname;
    }

    public String getLname() {
        return lname;
    }

    public void setLname(String lname) {
        this.lname = lname;
    }

    public int getSsn() {
        return ssn;
    }

    public void setSsn(int ssn) {
        this.ssn = ssn;
    }

    public String getState() {
        return state;
    }

    public void setState(String state) {
        this.state = state;
    }

    @Override
    public String toString() {
        return "First name: " + fname + "nLast name: " + lname + "nSocial Security Number: " + ssn + "nState: " + state;
    }
}

Teacher.java

public class Teacher extends Person {
    private int course;

    Teacher(String fname, String lname, int ssn, String state, int course){
        super(fname, lname, ssn, state);
        this.course = course;
    }

    @Override
    public String toString() {
        return super.toString() + "n Number of courses: " + course;

    }

    public int getCourse() {
        return course;
    }

    public void setCourse(int course) {
        this.course = course;
    }
}

PersonTest.java

public class PersonTest {
    public static void main(String[] args) {
        Person p = new Person("John", "Doe" , 12345, "STATE");
        Teacher t = new Teacher("john","Doe" , 12345, "STATE", 5);

        System.out.println(t.toString());
    }
}

Output:

First name: john Last name: Doe Social Security Number 12345 State STATE Number of courses: 5

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