Answered: void removeStudent() {…

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

void removeStudent()
{
System.out.print("\n Enter StudentID to remove: ");
long id =sc.nextLong();

int pos = searchStudentID(id);
if(pos == -1)
System.out.println("\n ERROR: No student found having same ID: " + id);
else
courses.remove(pos);
}

int searchStudentID(long studentID)
{
for(int c = 0; c < students.size(); c++)
if(studentID == students.get(c).getId())
return c;
return -1;
}

The code is supposed to prompt the user to enter a studentID and if it is in the records then it will be removed, but instead it just prompts me to enter and when i enter the ID, it just exits and goes back to the menu. is there something wrong with my code?

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