Answered: Code an application program that keeps…

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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Question

Code an application program that keeps track of student information at your college. Include their names, identification numbers, and grade point averages in a fully encapsulated, homogeneous sorted singly linked list structure. When launched, the user will be asked to input the initial number of students and the initial data set. Once this is complete, the user will be presented with the following menu:

Enter: 1 to insert a new student's information,

2 to fetch and output a student's information,

3 to delete a student's information,

4 to update a student's information

5 to output all the student information in sorted order, and

6 to exit the program.

The program should perform an unlimited number of operations until the user enters a 6 to exit the progrqm

Please use java

use deep copy

public class Student {
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// definition of student's info
private String name
private int idnum;
private double grade_point;
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30 }
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public Student(String n, int ID, double gpa) // the constructor
name = n
id_num= ID;
grade point = gpa;
// end of constructor
public String toString() // returns annotated values of students
return ("Name is " + name + "\nID number is " + id_num +
"\nGPA is " + grade_point + "\n");
// end of toString method
public Student deepCopy ()
Student clone= new Student (name, id_num, grade_point);
return clone;
}
public int compareTO(String targetkey)
I return(name.compareTo(targetkey));
}

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