Java. Please use the template in the picture, thank you! 3 // BalanceTransaction.java450 /*** A utility class for validating the cash on hand amount at the end of the day with the* amount recorded in a file* /6.789.10 public class BalanceTransactions {11120/*** Given a starting balance (amount of cash at the beginning of the day) and an* ending balance (amount of cash at the end of the day), checks whether the* actual amount of cash at the end of the day equals the expected value (withinan 1E-3 error margin)131415*16*1718* @param startBalance amount of cash at the beginning of the day; assume always*19>= 0* @param endBalance* @param filename20amount of cash at the end of the day21name of file containing transactions*2223* @return a string indicating whether the end of day total was balanced or not(either "End of day total is properly balanced." or "End of day totalis not balanced."*24*2526* /public static String balance (double startBalance, double endBalance, String filename) {return ""; // FIX ME}270282930 }31 A store owner keeps a record of daily cash transactions in a text file. Each line contains three items: Theinvoice number, the cash amount, and the letter P if the amount was paid or R if it was received. Items areseparated by spaces. Assume all input files are in this valid format.Write a method balance which takes as parameters the amount of cash at the beginning and end of theday, and the name of the file, checks whether the actual amount of cash at the end of the day equals theexpected value, and returns the result as a string. Use this template: BalanceTransactions.javaYou must catch any FileNotFoundException that is thrown and print out a message in the format:"File: [filename] not found", e.g., File: transactions1.txt not foundExample:balance (0, 55.55, "res/transactions1.txt , "); // returns "End of day totalis properly balanced."balance (25, 55.55, "res/transactions1.txt ¿ "); // returns "End of daytotal is not balanced."balance (0, 55.55, "res/doesnotexist.txt"); // prints out "File:res/doesnotexist.txt not found"

A store owner keeps a record of daily cash transactions in a text file. Each line contains three items: The invoice number, the cash amount, and the letter P if the amount was paid or R if it was received. Items are separated by spaces. Assume all input files are in this valid format. Write a method balance which takes as parameters the amount of cash at the beginning and end of the day, and the name of the file, checks whether the actual amount of cash at the end of the day equals the expected value, and returns the result as a string. Use this template: BalanceTransactions.java You must catch any FileNotFoundException that is thrown and print out a message in the format: "File: [filename] not found", e.g., File: transactions1.txt not found Example: balance (0, 55.55, "res/transactions1.txt , "); // returns "End of day total is properly balanced." balance (25, 55.55, "res/transactions1.txt "); // returns "End of day total is not balanced." balance (0, 55.55, "res/doesnotexist.txt"); // prints out "File: res/doesnotexist.txt not found"

A store owner keeps a record of daily cash transactions in a text file. Each line contains three items: The invoice number, the cash amount, and the letter P if the amount was paid or R if it was received. Items are separated by spaces. Assume all input files are in this valid format. Write a method balance which takes as parameters the amount of cash at the beginning and end of the day, and the name of the file, checks whether the actual amount of cash at the end of the day equals the expected value, and returns the result as a string. Use this template: BalanceTransactions.java You must catch any FileNotFoundException that is thrown and print out a message in the format: "File: [filename] not found", e.g., File: transactions1.txt not found Example: balance (0, 55.55, "res/transactions1.txt , "); // returns "End of day total is properly balanced." balance (25, 55.55, "res/transactions1.txt "); // returns "End of day total is not balanced." balance (0, 55.55, "res/doesnotexist.txt"); // prints out "File: res/doesnotexist.txt not found"

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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