PLEASE HELP ME! ? Maximize and use alternative method to this code! package com.btech.pf101; import java.io.bufferedreader; import java.io.inputstreamreader; import java.util.calendar; import java.util.date; public class pawnshopcode { private static final bufferedreader br = new bufferedreader(new inputstreamreader(system.in)); private static string name; private static int age; private static string address; private static string contactno; private static int itemtype; private static string itemtypename; private static final int itemtype_gagdet = 1; private static final int itemtype_jewelry = 2; private static final int itemtype_musicinstrument = 3; private static final int itemtype_homeequipment = 4; private static final int itemtype_landtitle = 5; private static string itemdescription; private static int periodtype; private static string periodtypename; private static final int periodtype_days = 1; private static final int periodtype_weeks = 2; private static final int periodtype_months = 3; private static final int periodtype_years = 4; private static int noofperiods; private static double pawnamount; private static double interestamount; private static date transactiondate; private static date redemptiondate; private static date terminationdate; private static boolean check; public static void main(string[] args) { try { //display name and short greeting. system.out.println("my pawnshop"); system.out.println("welcome client. if you wish to pawn an item, kindly input some of your information."); system.out.println(); //ask for client information check = false; while (!check) { system.out.println("please enter your name: "); name = br.readline(); if (name.equalsignorecase("")) { system.out.println("you have entered an invalid input. please try again."); } else { check = true; } system.out.println(); } check = false; while (!check) { system.out.println("please enter your age: "); try { age = integer.parseint(br.readline()); if (age < 18) { system.out.println("you are not yet in a legitimate age. please try again."); } else { check = true; } system.out.println(); } catch (exception e) { system.out.println("you have entered an invalid input. please try again."); } } check = false; while (!check) { system.out.println("please enter your address: "); address = br.readline(); if (address.equalsignorecase("")) { system.out.println("you have entered an invalid input. please try again."); } else { check = true; } system.out.println(); } check = false; while (!check) { system.out.println("please enter your contact number: "); contactno = br.readline(); if (contactno.equalsignorecase("")) { system.out.println("you have entered an invalid input. please try again."); } else { check = true; } system.out.println(); } //ask for item to be pawned check = false; while (!check) { system.out.println("please select type of item be pawned [1] gadget [2] jewelry [3] musical instrument [4] home equipment [5] land title :"); try { itemtype = integer.parseint(br.readline()); if (itemtype < 1 || itemtype > 5) { system.out.println("you have entered an invalid input. please try again."); } else { check = true; } system.out.println(); } catch (exception e) { system.out.println("you have entered an invalid input. please try again."); } } check = false; while (!check) { system.out.println("please enter short description of item to be pawned: "); itemdescription = br.readline(); if (itemdescription.equalsignorecase("")) { system.out.println("you have entered an invalid input. please try again."); } else { check = true; } system.out.println(); } //ask for pawn period information check = false; while (!check) { system.out.println("please select period type [1] days [2] weeks [3] months [4] years :"); try { periodtype = integer.parseint(br.readline()); if (periodtype < 1 || periodtype > 4) { system.out.println("you have entered an invalid input. please try again."); } else { check = true; } system.out.println(); } catch (exception e) { system.out.println("you have entered an invalid input. please try again."); } } check = false; while (!check) { system.out.println("please select number of periods to pay pawned item: "); try { noofperiods = integer.parseint(br.readline()); if (noofperiods < 1) { system.out.println("you have entered an invalid input. please try again."); } else { check = true; } system.out.println(); } catch (exception e) { system.out.println("you have entered an invalid input. please try again."); } } //ask for pawn amount from client //display minimums and maximums per item type based on chosen item type check = false; while (!check) { system.out.println("please select desired pawn amount: "); try { switch (itemtype) { case itemtype_gagdet: system.out.println("min: 5000 max: 10000"); pawnamount = double.parsedouble(br.readline()); if (pawnamount < 5000.00d || pawnamount > 10000.00d ) { system.out.println("you have entered an invalid input. please try again."); } else { itemtypename = "gadget"; check = true; } break; case itemtype_jewelry: system.out.println("min: 5000 max: 20000"); pawnamount = double.parsedouble(br.readline()); if (pawnamount < 5000.00d || pawnamount > 20000.00d ) { system.out.println("you have entered an invalid input. please try again."); } else { itemtypename = "jewelry"; check = true; } break; case itemtype_musicinstrument: system.out.println("min: 2000 max: 5000"); pawnamount = double.parsedouble(br.readline()); if (pawnamount < 2000.00d || pawnamount > 5000.00d ) { system.out.println("you have entered an invalid input. please try again."); } else { itemtypename = "musical instrument"; check = true; } break; case itemtype_homeequipment: system.out.println("min: 3000 max: 10000"); pawnamount = double.parsedouble(br.readline()); if (pawnamount < 3000.00d || pawnamount > 10000.00d ) { system.out.println("you have entered an invalid input. please try again."); } else { itemtypename = "home equipment"; check = true; } break; case itemtype_landtitle: system.out.println("min: 25000 max: unlimited"); pawnamount = double.parsedouble(br.readline()); if (pawnamount < 25000.00d) { system.out.println("you have entered an invalid input. please try again."); } else { itemtypename = "land title"; check = true; } break; default: system.out.println("you have entered an invalid input. please try again."); } system.out.println(); } catch (exception e) { system.out.println("you have entered an invalid input. please try again."); } } //compute for interest amount to be charged switch(periodtype){ case periodtype_days: periodtypename = "days"; interestamount = pawnamount * (0.01d * noofperiods); break; case periodtype_weeks: periodtypename = "weeks"; interestamount = pawnamount * (0.05d * noofperiods); break; case periodtype_months: periodtypename = "months"; interestamount = pawnamount * (0.10d * noofperiods); break; case periodtype_years: periodtypename = "years"; interestamount = pawnamount * (0.12d * noofperiods); break; } //set the dates calendar c = calendar.getinstance(); transactiondate = c.gettime(); switch(periodtype){ case periodtype_days: c.add(calendar.date, noofperiods); redemptiondate = c.gettime(); ; break; case periodtype_weeks: c.add(calendar.week_of_year, noofperiods); redemptiondate = c.gettime(); ; break; case periodtype_months: c.add(calendar.month, noofperiods); redemptiondate = c.gettime(); ; break; case periodtype_years: c.add(calendar.year, noofperiods); redemptiondate = c.gettime(); ; break; } c.add(calendar.week_of_year, 1); terminationdate = c.gettime(); //display transaction as receipt system.out.println(); system.out.println("my pawnshop"); system.out.println("sample transaction receipt"); system.out.println(); system.out.println("name: " + name); system.out.println("age: " + age); system.out.println("address: " + address); system.out.println("contact no: " + contactno); system.out.println("item type: " + itemtypename); system.out.println("item description: " + itemdescription); system.out.println("period type: " + periodtypename); system.out.println("number of periods: " + noofperiods); system.out.println("pawn amount: " + string.format("%.2f", pawnamount)); system.out.println("interest charged: " + string.format("%.2f", interestamount)); system.out.println("total amount due: " + string.format("%.2f", pawnamount + interestamount)); system.out.println("date of transaction: " + transactiondate); system.out.println("date of redemption: " + redemptiondate); system.out.println("date of termination: " + terminationdate); system.out.println(); system.out.println("thank you!!!"); system.out.println(); } catch (exception e) { system.out.println(e.tostring()); system.out.println("error found while running program."); } } }