Question: Change this code in java just with changing abstraction and exception handling #include #include #include typedef struct Guests { char name[50]; int status; int nights; float room_cost; float srv; float cost; } G; void options(G guest[]) { int option; printf("\n\nMenu\n-----------\n"); printf("1. Check in\n"); printf("2. Services\n"); printf("3. Invoice\n");; printf("4. Check out\n"); printf("5. Exit\n"); printf("\nPlease Choose a Number According to the Option: "); scanf("%d", &option); switch(option) { case 1: printf("\nCheck in\n-----------\n"); check_in(guest); break; case 3: printf("\nInvoice\n-----------\n"); invoice(guest); break; case 2: printf("\nRequest\n-----------\n"); request(guest); break; case 4: printf("\nCheck out\n-----------\n"); check_out(guest); break; case 5: exit(0); break; } } void check_in(G guest[]) { int i, choice, nights; printf("Rooms:\n\n"); for(i=0;i<4;i++) { printf("Room No.%d\n", i+1); printf("Room Cost: %.2f/night\n", guest[i].room_cost); printf("Status: "); if(guest[i].status==0) { printf("Available\n"); } else if(guest[i].status==1) { printf("Unavailable\n"); } printf("\n"); } printf("*All services provided are for 1 guest only*\n\n"); printf("Input Room No. for chosen room: "); scanf("%d", &choice); for(i=0;i<4;i++) { if(choice==i+1 && guest[i].status==0) { printf("\nYour name: "); scanf("%s", guest[i].name); printf("How many nights?: "); scanf("%d", &guest[i].nights); guest[i].status=1; guest[i].cost=guest[i].room_cost*guest[i].nights; printf("\nYou've been checked in at Room %d!\n", i+1); } } options(guest); } void check_out(G guest[]) { int i, room_no; printf("Input your room no.: "); scanf("%d", &room_no); for(i=0;i<4;i++) { if(room_no==i+1 && guest[i].status==1) { guest[i].status=0; guest[i].cost=0; guest[i].nights=0; strcpy(guest[i].name, "BLANK"); } } options(guest); } void request(G guest[]) { int option, i, room_no; printf("Input your room no.: "); scanf("%d", &room_no); for(i=0;i<4;i++) { if(room_no==i+1 ) { printf("\n\n1. Request Breakfast\n"); printf("2. Request Lunch\n");; printf("3. Request Dinner\n"); printf("4. Request Dry Cleaning\n"); printf("5. Exit\n"); printf("\nPlease Choose a Number According to the Option: "); scanf("%d", &option); switch(option) { case 1: guest[i].cost=guest[i].cost+10; guest[i].srv=guest[i].srv+10; printf("\nBreakfast requested!\n\n"); break; case 2: guest[i].cost=guest[i].cost+15; guest[i].srv=guest[i].srv+15; printf("\nLunch requested!\n"); break; case 3: guest[i].cost=guest[i].cost+20; guest[i].srv=guest[i].srv+20; printf("\nDinner requested!\n"); break; case 4: guest[i].cost=guest[i].cost+20; guest[i].srv=guest[i].srv+20; printf("\nDry cleaning requested!\n"); break; case 5: exit(0); break; } } } options(guest); } void printing(G guest[]) { int i, room_no; float tax=0, serv_chrg=50; FILE *fp; fp=fopen("Invoice.txt", "w"); if(fp==NULL) { printf("Couldn't create file"); } printf("\nInput your room no.: "); scanf("%d", &room_no); for(i=0;i<4;i++) { if(room_no==i+1 && guest[i].status==1) { guest[i].cost=guest[i].cost+(serv_chrg*guest[i].nights)+guest[i].srv; tax=(guest[i].cost*.14); guest[i].cost=guest[i].cost+tax; fprintf(fp,"Name: %s\n", guest[i].name); fprintf(fp,"Room No.: %d\n", i+1); fprintf(fp,"--------------------------------\n"); fprintf(fp,"Room Charge: %.2f\n", guest[i].room_cost*guest[i].nights); fprintf(fp,"Service Charge: %.2f\n", serv_chrg*guest[i].nights); fprintf(fp,"Other services: %.2f \n", guest[i].srv); fprintf(fp,"Room & Service Tax: %.2f\n", tax); fprintf(fp,"--------------------------------\n"); fprintf(fp,"Total:\t%.2f \n", guest[i].cost); } tax=0; } fclose(fp); printf("\nText file created!\n"); options(guest); } void invoice(G guest[]) { int i, room_no, option; float tax=0, serv_chrg=50; printf("Input your room no.: "); scanf("%d", &room_no); for(i=0;i<4;i++) { if(room_no==i+1 && guest[i].status==1) { guest[i].cost=guest[i].cost+(serv_chrg*guest[i].nights)+guest[i].srv; tax=(guest[i].cost*.14); guest[i].cost=guest[i].cost+tax; printf("\nName: %s\n", guest[i].name); printf("Room No.: %d\n", i+1); printf("--------------------------------\n"); printf("Room Charge: %.2f\n", guest[i].room_cost*guest[i].nights); printf("Service Charge: %.2f\n", serv_chrg*guest[i].nights); printf("Other services: %.2f \n", guest[i].srv); printf("Room & Service Tax: %.2f\n\n", tax); printf("--------------------------------\n"); printf("Total:\t%.2f \n", guest[i].cost); } tax=0; } printf("\n1. Convert invoice to text file\n"); printf("2. Return to Menu\n\n"); printf("Choose a Number According to the Option: "); scanf("%d", &option); if(option==1) { printing(guest); } else if(option==0); { options(guest); } } int main() { int i; G guest[4]; printf("Pre-define data:\n\n"); for(i=0;i<4;i++) { printf("Pre-define cost of Room %d: ", i+1); scanf("%f", &guest[i].room_cost); } for(i=0;i<4;i++) { guest[i].status=0; strcpy(guest[i].name, "BLANK"); guest[i].nights=0; guest[i].srv=0; } options(guest); return 0;
Question: Change this code in java just with changing abstraction and exception handling
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
typedef struct Guests
{
char name[50];
int status;
int nights;
float room_cost;
float srv;
float cost;
} G;
void options(G guest[])
{
int option;
printf("\n\nMenu\n-----------\n");
printf("1. Check in\n");
printf("2. Services\n");
printf("3. Invoice\n");;
printf("4. Check out\n");
printf("5. Exit\n");
printf("\nPlease Choose a Number According to the Option: ");
scanf("%d", &option);
switch(option)
{
case 1:
printf("\nCheck in\n-----------\n");
check_in(guest);
break;
case 3:
printf("\nInvoice\n-----------\n");
invoice(guest);
break;
case 2:
printf("\nRequest\n-----------\n");
request(guest);
break;
case 4:
printf("\nCheck out\n-----------\n");
check_out(guest);
break;
case 5:
exit(0);
break;
}
}
void check_in(G guest[])
{
int i, choice, nights;
printf("Rooms:\n\n");
for(i=0;i<4;i++)
{
printf("Room No.%d\n", i+1);
printf("Room Cost: %.2f/night\n", guest[i].room_cost);
printf("Status: ");
if(guest[i].status==0)
{
printf("Available\n");
}
else if(guest[i].status==1)
{
printf("Unavailable\n");
}
printf("\n");
}
printf("*All services provided are for 1 guest only*\n\n");
printf("Input Room No. for chosen room: ");
scanf("%d", &choice);
for(i=0;i<4;i++)
{
if(choice==i+1 && guest[i].status==0)
{
printf("\nYour name: ");
scanf("%s", guest[i].name);
printf("How many nights?: ");
scanf("%d", &guest[i].nights);
guest[i].status=1;
guest[i].cost=guest[i].room_cost*guest[i].nights;
printf("\nYou've been checked in at Room %d!\n", i+1);
}
}
options(guest);
}
void check_out(G guest[])
{
int i, room_no;
printf("Input your room no.: ");
scanf("%d", &room_no);
for(i=0;i<4;i++)
{
if(room_no==i+1 && guest[i].status==1)
{
guest[i].status=0;
guest[i].cost=0;
guest[i].nights=0;
strcpy(guest[i].name, "BLANK");
}
}
options(guest);
}
void request(G guest[])
{
int option, i, room_no;
printf("Input your room no.: ");
scanf("%d", &room_no);
for(i=0;i<4;i++)
{
if(room_no==i+1 )
{
printf("\n\n1. Request Breakfast\n");
printf("2. Request Lunch\n");;
printf("3. Request Dinner\n");
printf("4. Request Dry Cleaning\n");
printf("5. Exit\n");
printf("\nPlease Choose a Number According to the Option: ");
scanf("%d", &option);
switch(option)
{
case 1:
guest[i].cost=guest[i].cost+10;
guest[i].srv=guest[i].srv+10;
printf("\nBreakfast requested!\n\n");
break;
case 2:
guest[i].cost=guest[i].cost+15;
guest[i].srv=guest[i].srv+15;
printf("\nLunch requested!\n");
break;
case 3:
guest[i].cost=guest[i].cost+20;
guest[i].srv=guest[i].srv+20;
printf("\nDinner requested!\n");
break;
case 4:
guest[i].cost=guest[i].cost+20;
guest[i].srv=guest[i].srv+20;
printf("\nDry cleaning requested!\n");
break;
case 5:
exit(0);
break;
}
}
}
options(guest);
}
void printing(G guest[])
{
int i, room_no;
float tax=0, serv_chrg=50;
FILE *fp;
fp=fopen("Invoice.txt", "w");
if(fp==NULL)
{
printf("Couldn't create file");
}
printf("\nInput your room no.: ");
scanf("%d", &room_no);
for(i=0;i<4;i++)
{
if(room_no==i+1 && guest[i].status==1)
{
guest[i].cost=guest[i].cost+(serv_chrg*guest[i].nights)+guest[i].srv;
tax=(guest[i].cost*.14);
guest[i].cost=guest[i].cost+tax;
fprintf(fp,"Name: %s\n", guest[i].name);
fprintf(fp,"Room No.: %d\n", i+1);
fprintf(fp,"--------------------------------\n");
fprintf(fp,"Room Charge: %.2f\n", guest[i].room_cost*guest[i].nights);
fprintf(fp,"Service Charge: %.2f\n", serv_chrg*guest[i].nights);
fprintf(fp,"Other services: %.2f \n", guest[i].srv);
fprintf(fp,"Room & Service Tax: %.2f\n", tax);
fprintf(fp,"--------------------------------\n");
fprintf(fp,"Total:\t%.2f \n", guest[i].cost);
}
tax=0;
}
fclose(fp);
printf("\nText file created!\n");
options(guest);
}
void invoice(G guest[])
{
int i, room_no, option;
float tax=0, serv_chrg=50;
printf("Input your room no.: ");
scanf("%d", &room_no);
for(i=0;i<4;i++)
{
if(room_no==i+1 && guest[i].status==1)
{
guest[i].cost=guest[i].cost+(serv_chrg*guest[i].nights)+guest[i].srv;
tax=(guest[i].cost*.14);
guest[i].cost=guest[i].cost+tax;
printf("\nName: %s\n", guest[i].name);
printf("Room No.: %d\n", i+1);
printf("--------------------------------\n");
printf("Room Charge: %.2f\n", guest[i].room_cost*guest[i].nights);
printf("Service Charge: %.2f\n", serv_chrg*guest[i].nights);
printf("Other services: %.2f \n", guest[i].srv);
printf("Room & Service Tax: %.2f\n\n", tax);
printf("--------------------------------\n");
printf("Total:\t%.2f \n", guest[i].cost);
}
tax=0;
}
printf("\n1. Convert invoice to text file\n");
printf("2. Return to Menu\n\n");
printf("Choose a Number According to the Option: ");
scanf("%d", &option);
if(option==1)
{
printing(guest);
}
else if(option==0);
{
options(guest);
}
}
int main()
{
int i;
G guest[4];
printf("Pre-define data:\n\n");
for(i=0;i<4;i++)
{
printf("Pre-define cost of Room %d: ", i+1);
scanf("%f", &guest[i].room_cost);
}
for(i=0;i<4;i++)
{
guest[i].status=0;
strcpy(guest[i].name, "BLANK");
guest[i].nights=0;
guest[i].srv=0;
}
options(guest);
return 0;
}
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