Answered: using Java: Assign courseStudent's…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Related questions

Question

using Java: Assign courseStudent's name with Smith, age with 20, and ID with 9999. Use the printAll 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;
}

public void setAge(int numYears) {
ageYears = numYears;
}

// Other parts omitted

public void printAll() {
System.out.print("Name: " + lastName);
System.out.print(", Age: " + ageYears);
}
}
// ===== end =====

// ===== Code from file StudentData.java =====
public class StudentData extends PersonData {
private int idNum;

public void setID(int studentId) {
idNum = studentId;
}

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 */

}
}
// ===== end =====

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