package abc;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
public class Renter {
public static List<String> readFullFile(String
fileName)
{
List<String> lines =
Collections.emptyList();
try
{
lines =
Files.readAllLines(Paths.get(fileName),
StandardCharsets.UTF_8);
}
catch (IOException e)
{
e.printStackTrace();
}
return lines;
}
public static void displayAllRenters(String
fileName)
{
List<String> renterList =
readFullFile(fileName);
System.out.println("Renter ID\t
Renter Name\t Flat Number\t Fine\t Status\t");
for(String obj : renterList)
{
String
splitObj[] =obj.split("[|]");
for(int i = 0; i
< splitObj.length;i++ )
{
System.out.print(splitObj[i]+"\t ");
}
System.out.println();
}
}
public static void displayRenterByFlat(String
fileName,String flatNum)
{
List<String> renterList =
readFullFile(fileName);
boolean flag=false;
System.out.println("Renter ID\t
Renter Name\t Flat Number\t Fine\t Status\t");
for(String obj : renterList)
{
String
splitObj[] =obj.split("[|]");
for(int i = 0; i
< splitObj.length;i++ )
{
if(splitObj[2].equals(flatNum))
{
System.out.print(splitObj[i]+"\t ");
flag=true;
}
}
}
if(!flag)
System.out.println("Here is no information saved on such Flat
Number");
}
public static void displayRenterNotPaid(String
fileName)
{
List<String> renterList =
readFullFile(fileName);
System.out.println("Renter ID\t
Renter Name\t Flat Number\t Fine\t Status\t");
for(String obj : renterList)
{
String
splitObj[] =obj.split("[|]");
for(int i = 0; i
< splitObj.length;i++ )
{
if(splitObj[4].equalsIgnoreCase("Not_Paid"))
{
System.out.print(splitObj[i]+"\t ");
}
}
System.out.println();
}
}
public static void writeToFile(String fileName,
String str)
{
try {
File file = new File(fileName);
// if file doesnt exists, then
create it
if (!file.exists()) {
file.createNewFile();
}
// Open given file in append
mode.
BufferedWriter out = new
BufferedWriter( new FileWriter(fileName, true));
out.write(str);
out.close();
System.out.println("Record
Added");
}
catch (IOException e) {
System.out.println("exception
occoured" + e);
}
}
public static void main(String[] args) {
// TODO Auto-generated method
stub
// String renterList[] ;
Scanner sc = new
Scanner(System.in);
boolean flag =true;
String del ="|";
int input;
String fileName =
"Rentfile.txt";
String renterId,
renterName,flatNum,fine,status;
while(flag==true)
{
System.out.println("Menu:\n1.Add a New Rent Record\n2.Display all
renters' information\n"
+ "3.Search for rent
information by Flat number\n"
+ "4.Display all rent
information that are not paid yet.\n"
+ "5.Exit");
input =
sc.nextInt();
switch(input)
{
case 1:
System.out.println("Enter Renter ID : ");
renterId = sc.next();
System.out.println("Enter Renter Name (First
Name and Last Name: ");
renterName = sc.nextLine()+"
"+sc.nextLine();
System.out.println("Enter Flat Number :
");
flatNum = sc.next();
System.out.println("Enter Fine : ");
fine = sc.next();
System.out.println("Enter Status : ");
status = sc.next();
String rec = renterId+ del + renterName + del
+flatNum + del + fine+ del+ status+"\n";
writeToFile(fileName,rec);
break;
case 2:
displayAllRenters(fileName);
break;
case 3:
System.out.println("Enter Flat Number: ");
flatNum= sc.next();
displayRenterByFlat(fileName, flatNum);
break;
case 4:
displayRenterNotPaid(fileName);
break;
case 5:
flag =false;
break;
default :
System.out.println("Invalid Input");
}
}
System.out.println("Thank you for
using our Menu Services");
}
}
//**************//
/*
Methods Name are self Explanatory
Output:
Menu:
1.Add a New Rent Record
2.Display all renters' information
3.Search for rent information by Flat number
4.Display all rent information that are not paid yet.
5.Exit
2
Renter ID Renter Name Flat
Number Fine Status
223 Sami Ahmed A7
6000 Paid
333 Sourabh kumar 501
2000 Not_Paid
Menu:
1.Add a New Rent Record
2.Display all renters' information
3.Search for rent information by Flat number
4.Display all rent information that are not paid yet.
5.Exit
2
Renter ID Renter Name Flat
Number Fine Status
223 Sami Ahmed A7
6000 Paid
333 Sourabh kumar 501
2000 Not_Paid
Menu:
1.Add a New Rent Record
2.Display all renters' information
3.Search for rent information by Flat number
4.Display all rent information that are not paid yet.
5.Exit
4
Renter ID Renter Name Flat
Number Fine Status
333 Sourabh kumar 501
2000 Not_Paid
Menu:
1.Add a New Rent Record
2.Display all renters' information
3.Search for rent information by Flat number
4.Display all rent information that are not paid yet.
5.Exit
3
Enter Flat Number:
501
Renter ID Renter Name Flat
Number Fine Status
333 Sourabh kumar 501
2000 Not_Paid
Menu:
1.Add a New Rent Record
2.Display all renters' information
3.Search for rent information by Flat number
4.Display all rent information that are not paid yet.
5.Exit
3
Enter Flat Number:
eee
Renter ID Renter Name Flat
Number Fine Status
Here is no information saved on such Flat Number
Menu:
1.Add a New Rent Record
2.Display all renters' information
3.Search for rent information by Flat number
4.Display all rent information that are not paid yet.
5.Exit
5
Thank you for using our Menu Services
*/
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