Your task is to read a file containing arithmetic instructions such as В + 4 10 7 * 11 Each instruction contains an integer, an operator (+, -, or *), and another integer. Return an array list of the results. If there is any error, throw an I0Exception. Arithmetic.java 1 import java.io.File; 2 import java.io.I0Exception; 3 import java.util.ArrayList; 4 import java.util.Scanner; 5 6 public class Arithmetic 7 { /** This class reads a file containing arithmetic expressions and returns an array list of the results. @param filename the file name @return a list of results */ public static ArrayList read (String filename) throws IOException { 8 9 10 11 12 13 14 15 16 17 } 18 // This method checks your work. Do not touch it. 19 20 public static String check(String filename) { try 21 22 23

Your task is to read a file containing arithmetic instructions such as В + 4 10 7 * 11 Each instruction contains an integer, an operator (+, -, or *), and another integer. Return an array list of the results. If there is any error, throw an I0Exception. Arithmetic.java 1 import java.io.File; 2 import java.io.I0Exception; 3 import java.util.ArrayList; 4 import java.util.Scanner; 5 6 public class Arithmetic 7 { /** This class reads a file containing arithmetic expressions and returns an array list of the results. @param filename the file name @return a list of results */ public static ArrayList read (String filename) throws IOException { 8 9 10 11 12 13 14 15 16 17 } 18 // This method checks your work. Do not touch it. 19 20 public static String check(String filename) { try 21 22 23

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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Question

Your task is to read a file containing arithmetic instructions such as
В + 4
10
7 * 11
Each instruction contains an integer, an operator (+, -, or *), and another integer.
Return an array list of the results. If there is any error, throw an I0Exception.
Arithmetic.java
1 import java.io.File;
2 import java.io.I0Exception;
3 import java.util.ArrayList;
4 import java.util.Scanner;
5
6 public class Arithmetic
7 {
/**
This class reads a file containing arithmetic expressions and returns an
array list of the results.
@param filename the file name
@return a list of results
*/
public static ArrayList<Integer> read (String filename) throws IOException
{
8
9
10
11
12
13
14
15
16
17
}
18
// This method checks your work. Do not touch it.
19
20
public static String check(String filename)
{
try
21
22
23

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