Assignment 8

import java.io.*;
class StudentRecords
{
 static BufferedReader br = new BufferedReader(new
 InputStreamReader(System.in));
 public void addRecords() throws IOException {
 PrintWriter pw = new PrintWriter(new  BufferedWriter(new
 FileWriter("studentRecords.txt",true)));
 String Class, name, address, dob;
 int age;
 long telephoneNo;
 String s;
 boolean addMore = false;

 do
 {
 System.out.print("\nEnter name: ");
 name = br.readLine();
 System.out.print("Address: ");
 address = br.readLine();
 System.out.print("Class: ");
 Class = br.readLine();
 System.out.print("Date of Birth (dd/mm/yy) : ");
 dob = br.readLine();
 System.out.print("Age: ");
 age = Integer.parseInt(br.readLine());
 System.out.print("Telephone No.: ");
 telephoneNo = Long.parseLong(br.readLine());
 pw.println(name);
 pw.println(address);
 pw.println(Class);
 pw.println(dob);
 pw.println(age);
 pw.println(telephoneNo);
 System.out.print("\nRecords added successfully !\n\nDo you want to add more records ? (y/n) : 
");
 s = br.readLine();
 if(s.equalsIgnoreCase("y")) {
 addMore = true;
 System.out.println();
 }
 else
 addMore = false;
 }
 while(addMore);
 pw.close();
 showMenu();
 }
 public void readRecords() throws IOException {
 try{
 BufferedReader file = new BufferedReader(new
 FileReader("studentRecords.txt"));
 String name;
 int i=1;
 while((name = file.readLine()) != null) {
 System.out.println("S.No. : " +(i++));
 System.out.println(" ------------ ");
 System.out.println("\nName: " +name);
 System.out.println("Address: "+file.readLine());
 System.out.println("Class: "+file.readLine());
 System.out.println("Date of Birth : "+file.readLine());
 System.out.println("Age: "+Integer.parseInt(file.readLine()));
 System.out.println("Tel. No.: "+Long.parseLong(file.readLine()));
 System.out.println();
 }
 file.close();
 showMenu();
 }
 catch(FileNotFoundException e){
 System.out.println("\nERROR : File not Found !!!");
 }
 }
 public void clear() throws IOException {
 PrintWriter pw = new PrintWriter(new BufferedWriter(new
 FileWriter("studentRecords.txt")));
 pw.close();
 System.out.println("\nAll Records cleared successfully !");
 showMenu();
 }
 public void showMenu() throws IOException{
 System.out.print("1 : Add Records\n2 : Display Records\n3 : Clear All Records\n4 : Exit\n\nYour 
Choice : ");
 int choice = Integer.parseInt(br.readLine());
 switch(choice){
 case 1:
 addRecords();
 break;

 case 2:
 readRecords();
 break;

 case 3:
 clear();
 break;

 case 4:
 System.exit(1);
 break;

 default:
 System.out.println("\nInvalid Choice !");
 break;
 }
 }
 public static void main(String[] args) throws IOException {
 StudentRecords call = new StudentRecords();
 call.showMenu();
 }
}