package com.sample; import java.io.*; public class CustomUserDetails { @SuppressWarnings({ "resource", "unused" }) public static void main(String[] args) throws IOException { // TODO Auto-generated method stub String name; String email; String phone; File file=new File("C:\\Users\\ABBURI'S\\Documents\\myfile.txt"); if(!file.exists()){ file.createNewFile(); } FileWriter fw=new FileWriter(file); //BufferedWriter bw=new BufferedWriter(fw); System.out.print("enter no.of customer records:"); //Scanner sc =new Scanner(System.in); //int i,j; BufferedWriter bw=new BufferedWriter(new FileWriter(file,true)); BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); String s= br.readLine(); int k=Integer.parseInt(s); Customer[] customers=new Customer[k]; for(int j=0;j