Question

Assign courseStudent's name with Smith, age with 20, and ID with 9999. Use the print member method and a separate println statement to output courseStudents's data. Sample output from the given program:
Name: Smith, Age: 20, ID: 9999
___________________________________________
// ===== Code from file PersonData.java =====
public class PersonData {
private int ageYears;
private String lastName;
public void setName(String userName) {
lastName = userName;
return;
}
public void setAge(int numYears) {
ageYears = numYears;
return;
}
// Other parts omitted
public void printAll() {
System.out.print("Name: " + lastName);
System.out.print(", Age: " + ageYears);
return;
}
}
// ===== end =====
// ===== Code from file StudentData.java =====
public class StudentData extends PersonData {
private int idNum;
public void setID(int studentId) {
idNum = studentId;
return;
}
public int getID() {
return idNum;
}
}
// ===== end =====
// ===== Code from file StudentDerivationFromPerson.java =====
public class StudentDerivationFromPerson {
public static void main (String [] args) {
StudentData courseStudent = new StudentData();

/* Your solution goes here */

return;
}
}
// ===== end =====

Answer 1

Answer:

courseStudent.setName("Smith");

courseStudent.setAge(20);

courseStudent.setID(9999);

courseStudent.printAll();

System.out.print(", Id: " + courseStudent.getID());

Explanation:

This is the part of the code that needs to be added in order to print the output same as mentioned in the question. These lines should be added in the main method where solution is asked.