How does law enforcement, courts and corrections work to complemen.pdf

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How does law enforcement, courts and corrections work to complement each other ? What would happen if one branch of the system were Brocken? How does law enforcement, courts and corrections work to complement each other ? What would happen if one branch of the system were Brocken? Solution There are three branches of justice system Let us talk about these. Law Enforcement- It includes the first investigation done by police. The police investigate first and arrest to the suspects. Then after they approach court for further procedures. Here police force cannot punish the suspect as per their understandings. They have to maintain the peace and harmony in the country. Courts- Now when the matter has moved to court now court will ask for clues and proofs and witness for the matter. After analyzing the witness, proofs and other things the court defines the guilty and punish as per the crime. 3. Corrections:- Now when the court has given it’s judgment, next step is followed by the correctness. It means the guilty will be enforced. This may includes jail, probation, fine, etc, Earlier there was capital punishment for brutal cases but now a days it is closed in some countries because of human rights organizations. The benefit of this is this removes the criminal from the society and society is safe from those criminals. Other people have fear about the punishment so they stop the wrong doings. So I have described you how the procedures are connected with each other. If one branch is broken whole the system will be failed. If law enforcement is failed the suspects will not under arrest and further procedures will not take place. If there is no court then there will be no punishment. All the punishment will be given by police so there may be injustice in the society. And if correction is failed then the guilty will remain in society and society will have probability of occurrence of crime again..

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Check all that apply to different sets of genes that are homologous. A.have similar biochemical activities (ex. bind to DNA, synthesize polypeptides) B.exist in the same species C. exist in the same individual D.have different cellular functions (ex. cell division, transport to membranes) E.have different biochemical activities (ex. bind to DNA, synthesize polypeptides) F. have similar cellular functions (ex. cell division, transport to membranes) G. exist in different species ******I have already tried: similar biochemical activities, have similar cell function, and exist in different species I got half credit for this so i must be missing something. Solution Answer Homologous chromosomes are chromosome pairs, one from each parent that is similar in length, gene position and centromere location. The position of genes on each homologous chromosome is the same, however the genes may contain different alleles. A. have similar biochemical activities. B. exist in same species. F. have similar cellular functions like cell division and transport to membranes. G. Homologous chromosomes may exist in different species. For example, drosophila genes are homologous with genes of human beings. So the answer would be A, B, F, and G..

Check all that apply to different sets of genes that are homologous..pdf

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For the following matrices, determine a cot of basis vectors for the null spaces the column spaces. A = [3 2 -1 5] A = [2 1 -3 4 0 2 0 -2 8] Let P_n denote the set of all polynomial functions of degree at most n Let a_o be a feed constant. Explain why H = [p(t) = a_0 + b_x| b R} is not necessarily a vector subspace of P_x, Are there any values of a_o for which H will be a subspace? If instead H = {p(t) = a + bt| a, b R}, (i.e., the constant term is allowed to vary over all real numbers), show that H is a vector subspace of P_n. Solution Ans- A matrix, in general sense, represents a collection of information stored or arranged in an orderly fashion. The mathematical concept of a matrix refers to a set of numbers, variables or functions ordered in rows and columns. Such a set then can be defined as a distinct entity, the matrix, and it can be manipulated as a whole according to some basic mathematical rules. A matrix with 9 elements is shown below. [ [[ [ ] ]] ] = == = aaa = == = 253 A 131211 aaa aaa 232221 333231 819 647 Matrix [A] has 3 rows and 3 columns. Each element of matrix [A] can be referred to by its row and column number. For example, = == =a 23 6 A computer monitor with 800 horizontal pixels and 600 vertical pixels can be viewed as a matrix of 600 rows and 800 columns. In order to create an image, each pixel is filled with an appropriate colour. ORDER OF A MATRIX The order of a matrix is defined in terms of its number of rows and columns. Order of a matrix = No. of rows × ×× × No. of columns Matrix [A], therefore, is a matrix of order 3 × ×× × 3. COLUMN MATRIX A matrix with only one column is called a column matrix or column vector. ROW MATRIX 3 6 4 A matrix with only one row is called a row matrix or row vector. [ [[ [ ] ]] ] 653 SQUARE MATRIX A matrix having the same number of rows and columns is called a square matrix. 742 942 435 RECTANGULAR MATRIX A matrix having unequal number of rows and columns is called a rectangular matrix. 1735 13145 8292 REAL MATRIX A matrix with all real elements is called a real matrix PRINCIPAL DIAGONAL and TRACE OF A MATRIX In a square matrix, the diagonal containing the elements a 11 , a 22 , a 33 , a 44 , ……, a is called the principal or main diagonal. The sum of all elements in the principal diagonal is called the trace of the matrix. The principal diagonal of the matrix 742 942 435 nn is indicated by the dashed box. The trace of the matrix is 2 + 3 + 9 = 14. UNIT MATRIX A square matrix in which all elements of the principal diagonal are equal to 1 while all other elements are zero is called the unit matrix. 001 100 010 ZERO or NULL MATRIX A matrix whose elements are all equal to zero is called the null or zero matrix. 000 000 000 DIAGONAL MATRIX If all elements except the elements of the principal diagonal of a square matrix are zero, the matrix is called a diagonal matrix. 002 900 030 RANK OF A MATRIX The maximum number of linearly independent rows of a matrix [A] is called the rank of [A] and i.

For the following matrices, determine a cot of basis vectors for the.pdf

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Exploring Organizational Culture Research the ITT Tech Virtual Library to find an article each on the following types of organizational culture: Constructive Passive/Defensive Aggressive/Defensive Now, answer the following questions: What were the norms of each culture, and how were they determined? What were the behaviors in each culture, and how did those behaviors impact the organization and why? Of the three organizational cultures, which one would you prefer to be a part of and why 2 pages Solution in constructive approach people are encouraged to interact with others, with the co-employees, understand each other, make a strong group and work to achieve organizational goals. this culture are focus in which members are encouraged to interact withpeople and approach tasks in ways that will help them meet their higher order satisfaction needs. in positions where people do a complex job, rather than something simple like a mechanic one, this culture is efficient. here employees are become more friendly in nature and builds strong relationships among them. aggressive/defensive organizational culture:tThis style is characterized with more emphasis on task than people. because of the very nature of this style, people tend to focus on their own individual needs at the expense of the success of the group. the aggressive/defensive style is very stressful, and people using this style tend to make decisions based on status as opposed to expertise. the people who are workholics they will be benefited in this kind of cultures. people will be selfish and only task oriented here. they wont consider the feelings and emotions of employees. passive and defensive culture: in organizations with Passive/Defensive cultures, members feel pressured to think and behave in ways that are inconsistent with the way they believe they should in order to be effective. People are expected to please others (particularly superiors) and avoid interpersonal conflict. Rules, procedures, and orders are more important than personal beliefs, ideas, and judgment. Passive/Defensive cultures experience a lot of unresolved conflict and turnover, and organizational members report lower levels of motivation and satisfaction. based on the nature of work and importance, one can choose an organizational culture. for me the constructive approach is more better and gives positive results..

Exploring Organizational Culture Research the ITT Tech Virtual Lib.pdf

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Can you help me write these functions in C? I do not need the main function. Thank you. The language is C, NOT C++ in vertBits Description: Accepts a pointer of size uint32 tand inverts eachbit of the input data passed Preconditions: Input argument is passed as a pointer Post- conditions: The number of 1s returned Calls: N/A Called by: main int countNumberofones (uint32 t intData) Write a function that counts numberof ls in an integerpassed setBit Description: The functionsets the bit in the specified bit position in an to the specifid value. ue can be a or 0. bitPosition will be between U an Postconditions: The bit of inData at position biPosition will be set to walue Calls: N/A Called by main void setBit(uint32 t inData, uint32 tbitPosition.uint32 t alue hammingDistance Description: Function hammingDistance calculates total number of bits that need to be inverted in order to change inData1 into inData2 orvice versa. Preconditions: The function accepts two unsigned integers as input Postconditions: Thefunction returns the hamming distance Calls N/A Called by: main int hammi tinDatal, unint32 tinData2) Solution int countNumberofOnes(uint32_t *intData) { *intData = ~(*intData); // inverts each bit in input uint32_t num = *intData; int count =0; while(number) { number &= (number-1); count ++; } return count; // return number of 1s in the number } void setBit(uint32_t *intData, uint32_t bitPosition,uint32_t value) { (*intData) ^= (-value ^ ((*intData)) & (1 << bitPosition); return (*intData); } int hammingDistance(uint32_t inData1,uint32_t inData2) { char * d1 =(char *)intData1; char * d2 =(char *)intData2; int count =0; // considering both of same length for (int i=0;i.

Can you help me write these functions in C I do not need the main f.pdf

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Drag the term or statement to the correct column Solution Covalent addition to DNA - Methylation on C - trans Chromatin remodeling - Nucleosomes moved to new location - cis Covalent addition to histone - Acetylation, phosphorylation, methylation - trans Localization of histone variant - Histone variants localized to specific locations - cis Feedback loop - Transcription factor stimulates own product - cis.

Drag the term or statement to the correct column SolutionC.pdf

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Define the labor relations process? Solution The labor relations process involves managers (representing the ownership interests) and a labor organizations (union), selected by employees as their exclusive bargaining agent to represent their interests and engaging in the joint determination and administration of work rules. Three basic phases of the labor relations process are as follows: 1) Recognition of the legitimate rights and responsibilities of union and management representatives. 2) Negotiation of the labor agreement, including appropriate strategies, tactics, and impasse resolution techniques. 3) Administration of the negotiated labor agreement — the interpretation and application of labor contract terms on a daily basis..

Define the labor relations processSolutionThe labor relations.pdf

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Accounting 5205 Solution ? Depreciation aims to recognize in the income statement the wear suffered by an asset on account of its use for the generation of income. The objective of depreciation is not to recover the investment that the company has made for its construction or acquisition. The investment is recovered through the profitability generated by the use of said asset. ? Long-term assets, also known as non-current assets, although they are durable, are not always eternal. Therefore, accounting forces depreciate assets as their normal lives pass, with the accepted general accounting principle of time period, equity, valuation at cost, accrued, objectivity, because they do so naturally by the passing of time, due to its use, due to the wear and tear of the time this asset is used, in order to reflect its best possible value, or to amortize long-term expenses (deferred assets). For this there are tables and methods for accounting treatment..

Accounting 5205Solution Depreciation aims to recognize in the.pdf

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Aiom for the ADT List. C++ Explain what this pseudocode is doing. aList.getEntry(i) = (aList.insert(i, item)).getEntry(i+1) Solution You have a list and we know list has index starting from 0, 1,2,3,4,5,6,..... So (aList.insert(i, item)): Inserts item at index i (aList.insert(i, item)).getEntry(i+1) : Inserts item at index i and fetches and returns the element at index i+1 aList.getEntry(i) = (aList.insert(i, item)).getEntry(i+1) So, it means (aList.insert(i, item)).getEntry(i+1) Inserts item at index i and fetches and returns the element at index i+1 and assigns it to element at index i..

Aiom for the ADT List. C++ Explain what this pseudocode is doing.a.pdf

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an encryption scheme distributes randomly over the Ascii characters 32-127 What is the 8-bit entropy?? Solution An encryption scheme we use must convert plain text to human readable cipher. We here convert 32 ASCI to 127 character. The transmitter send the message through the channel.The channel modifies the message in some way.Then the receiver then finds which message is send.The probability expected value of the information contained in each message is called entropy .The 8 -bit entropy is mostly used for finding the value..

an encryption scheme distributes randomly over the Ascii characters .pdf

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A class has 40 students aged 17 to 34. What is the probabilty that at least two students are the same age? Why? Solution Here we have that P(atleast two same ages )= 1- P(no same age) Now total favorable cases for no same age are 34-17= 18 ( as all will be of different ages) Thus Probability ( different ages ) = Total favorable case/total case =18/40 And accordingly Probability (atleast two same ages ) =1-18/40 = 22/40 = 11/20 So last required answer is 11/20..

A class has 40 students aged 17 to 34. What is the probabilty that a.pdf

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A microbial geneticist isolates a new mutation in E. coli and wishes to map its chromosomal location. She uses interrupted-mating experiments with Hfr strains and generalized-transduction experiments with phage P1. Explain why each technique, by itself, is insufficient for accurate mapping. Solution Hfr cells undergoing conjugation transfer host genes in a linear fashion. The genes transferred depend on both the Hfr strain and the length of time during which the transfer occurred. F factors arise from improper excision of an Hfr from bacterial chromosome. They can have only specific bacterial genes on them because the integration site is fixed for each strain. P1 does not recognize pseudo-pac sites on the chromosome. P1 seems to begin packaging from random double-stranded breaks on the chromosome that are generated during phage infection. Generalized transduction is the process by which any bacterial gene may be transferred to another bacterium via a bacteriophage, and very rarely a small number of phages carry the donor. A restricted set of genes will not be able to transfer by this method. She wanted to transfer a specific gene to a specific located which is not doen by generalized transduction, so accurate gene mapping will be difficult by these methods..

A microbial geneticist isolates a new mutation in E. coli and wishes.pdf

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30. The vouching of recorded payables to supporting documentation will do little or nothing to verity for accounts payable, the a. existence assertion. b. completeness assertion. c. valuation assertion. d. rights and obligations assertion. Solution Existence Assertion cannot be verified with the supporting documentation for recoreded payables as existence can be verified by confirmation with the creditor. Completeness, Valuation and rights & Obligations assertion can be verified with the supporting documents like agreement, invoice, bank statement etc... So the answer is Option A..

30. The vouching of recorded payables to supporting documentation wil.pdf

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3. Observe that every cation was initially part of a nitrate compound. Most anions were initially part of a sodium compound. Would you guess nitrate compounds and sodium compounds to be soluble or insoluble? Why? 4. A precipitation reaction for copper and carbonate ions would look like this: Cu2+ (aq) + CO 2 (aq) CuC03 (s) A precipitation reaction for copper and hydroxide ions would look like this: Cu2+ (aq) + 2 OH\' (aq) Cu(OH)2 (s) a. Write the precipitation reaction for one of the phosphate compounds. 5. If nitrates (NOs) are soluble and most sulfates (SO4) are soluble (except Pb2, Ca2*, Sr2\" Hg:2, and Ba2), will an ionic compound precipitate from the following: Co(NO3)2 (aq) + Na:SO4(aq) ? Solution.

3. Observe that every cation was initially part of a nitrate compound.pdf

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1)Please explain the commands ifconfig, ping, traceroute, netstat, dig, nslookup, route, host, hostname. 2). Explain briefly about TCP/IP and its Protocol Architecture. 3) Explain the difference between TCP/IP Protocol stack and OSI model. Solution Answer: 1) Ipconfig Ipconfig is an MS-DOS utility that can be used from MS-DOS and an MS-DOS shell to display the network settings currently assigned and given by a network. This command can be utilized to verify a network connection as well as to verify your network settings. Ping Ping is one of the most commonly used network commands that allows you to ping another network IP address. Pinging another address helps determine if the network card can communicate within the local network or outside network. Netstat The netstat command is used to display the TCP/IP network protocol statistics and information. Nslookup The nslookup MS-DOS utility that enables a user to do a reverse lookup on an IP address of a domain or host on a network. Route The route MS-DOS utility enables computers to view and modify the computer\'s route table. traceroute The tracert command in MS-DOS and Windows (known as traceroute in Unix-like operating systems) is a useful tool for diagnosing network issues. It allows you to view a listing of how a network packet travels through the network and where it may fail or slow down. Using this information you can determine the computer, router, switch or other network device possibly causing your network issues. host solves a host name into an Internet Protocol (IP) address or an IP address into a host name. the hostname command is used to show or set a computer\'s host name and domain name. It is one of the most basic of the network administrative utilities. A host name is a name that is assigned to a host (i.e., a computer connected to the network) that uniquely identifies it on a network and thus allows it to be addressed without using its full IP address. Domain names are user-friendly substitutes for numeric IP addresses. The basic syntax for the hostname command is hostname [options] [new_host_name] 2)TCP/IP protocols map to a four-layer conceptual model known as the DARPA model , named after the U.S. government agency that initially developed TCP/IP. The four layers of the DARPA model are: Application, Transport, Internet, and Network Interface. Each layer in the DARPA model corresponds to one or more layers of the seven-layer Open Systems Interconnection (OSI) model. Network Interface Layer The Network Interface layer (also called the Network Access layer) is responsible for placing TCP/IP packets on the network medium and receiving TCP/IP packets off the network medium. TCP/IP was designed to be independent of the network access method, frame format, and medium. In this way, TCP/IP can be used to connect differing network types. These include LAN technologies such as Ethernet and Token Ring and WAN technologies such as X.25 and Frame Relay. Independence from any specific ne.

1)Please explain the commands ifconfig, ping, traceroute, netstat, d.pdf

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At what point does commercialization start to create inequality? Please provide examples. Solution Markets and commerce change the character of the goods they touch.Such deliberations touch, unavoidably, on competing conceptions of the good life.For fear of disagreement, we hesitate to bring our moral and spiritual convictions into the public square.It simply means that markets will decide them for us.At a time of rising inequality, the commercialization of everything means that people of affluence and people of modest means lead increasingly separate lives. We live and work and shop and play in different places. Children go to different schools. It’s not good for democracy, nor is it a satisfying way to live.Democracy does not require perfect equality, but it does require that citizens share a common life. What matters is that people of different backgrounds and social positions encounter one another, and bump up against one another, in the course of everyday life. For this is how we learn to negotiate and abide by our differences, and how we come to care for the common good. The public schools are an integral part of the institutions of democracy. By schools, Human Capital forms which eventually helps a country to faster its growth and substantially move forward.If we are to achieve the democratic ideal of equity, there must be a commons, and it must be accessible for all to participate effectively. Public education is an important part of that commons. But this common education is not fee, and only those can grab this oppurtunity who are able to pay for it.Commercialization encloses the commons and puts up fences, with admission only to those who can pay. It privatizes public space. It makes the dollar, not citizenship, the entry point to educational experiences and social and political influence in a democratic society..

At what point does commercialization start to create inequality Ple.pdf

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A benefit of an activity received by people not participating in the activity is called a(n) Solution Assuming the question is in terms of economics, the answer is Positive Externality Externality is a phenomena in which a proportion of cost (negative externality) or benefit (positive externality) an activity is received by someone who did\'t participate in the activity. In case a cost is incurred it is termed as negative externality, while in case of benefit is received, it is termed as positive externality. Consider education - a learning activity, in an underdeveloped country. In poor area, if there is an initiative of education, and children are educated by any welfare institution or government, that education would not only affect the child individually, but also would affect his family in a positive manner. The household people might learn somethings which they didn\'t knew before, that can save them in many ways, such as importance of hygene like washing hands before having food, or caring for mortals, etc. This is the case of positive externality, as even though the adult didn\'t attend the education, they did received the benefit. Education also reduces crime, and hence society as a whole benefits. Another examples of positive externality are low income people who do not pay taxes does recieve state welfare, military-defence protention, and enjoy many other public goods, like street light, roads, etc. The opposite of positive externality is negative externality. Suppose a polluting industry is placed in a poor agricultural area, and it will pollute the land and or water and or by dumping wastes and smokes of byproducts. People who don\'t work and have no relation to the industry would also be affected in an adverse manner. Yet some proportion of the population now have more stable income, but many others who didn\'t participate in the activity are affected. Farmers doing pisciculture and agriculture would be affected by dead fishes or bad crop, or general public breathing polluted air would incur several health cost. All kinds of pollution which are not natural (like pollution by volcanic eruption), are examples of negative externality..

A benefit of an activity received by people not participating in the.pdf

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You are given a specification for some Java classes as follows. A building has a number of floors, and a number of windows. A house is a building. A garage is a building. A room has a length, width, a floor covering, and a number of closets. You can never create an instance of a building, but every object that is a building must have a method that calculates the floor space, i.e., the Building class is abstract, and has an abstract method. A house has a number of bathrooms, and an array of Rooms. A house has a method that returns the average size of the Rooms. A Garage can hold some number of cars, and it may have a cement floor or a gravel floor. A garage has a length and a width. (Don’t use the Room class as a member of the Garage class.) Object / \\ Building Room / \\ House Garage 2. Implement the specification. You must use the following mechanisms correctly: · Inheritance – is a · Composition – has a · Constructor methods · Accessor / mutator methods = getters, setters · Arrays of objects · Passing arrays of objects to methods · Abstract classes and methods · Access modifiers – public private o might not need protected, a you should never use · toString() methods · the super keyword · method overriding · interfaces · generics are introduced · polymorphism using inheritance, and interfaces Include a test class that has a main method. This test program will make instances of your classes and output the text representation of the objects using the toString() methods. There should be enough comments in the output so that it is easy to see which classes are being tested. In your test class, create an ArrayList. Add a couple of houses and garages to your list. Loop through the list, using the enhanced for loop. Print out the objects using the toString methods. (The toString methods should return a String object containing all of the instance variables’ values.) Additional Requirements: Only methods used for testing will call the System.out.println() method. The purpose of the classes is to store and manipulate data. Input and output is not included in the data storage and manipulation classes. A house will calculate its floor space by looping through the array of rooms, and accumulating the floor space. Don\'t worry about the space used by a closet, you can assume that it is included in the size of the room. Work incrementally. Start by making a Room class, and testing it. Then make the Building and Garage classes, test them. The make the house class, and test it. The constructor for the house class has an array of rooms as a parameter. The building class is the only class that stores and manipulates the number of windows, and number of floors. All garage objects have exactly one floor. Perhaps the Building class should have an overloaded constructor to accommodate this. Interface Add an interface to your package. Call the interface MLSListable. That means that a class that implements this interface is a property that can be listed for sale. T.

You are given a specification for some Java classes as follows. A.pdf

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8. Would the following cell have a spontaneous reaction? Explain. Solution A redox reaction is spontaneous if the standard electrode potential for the redox reaction, Eo(redox reaction), is positive. Eo(redox reaction) = Eo(reduction reaction) + Eo(oxidation reaction) and Eo(redox reaction) > 0 that is, Eo(redox reaction) is positive If Eo(redox reaction) is positive, the reaction will proceed in the forward direction (spontaneous). Spontaneous redox reactions can be used to produce electricity (see galvanic cells (voltaic cells)).If Eo(redox reaction) is negative (Eo(redox reaction) < 0), the reaction will not proceed in the forward direction (non-spontaneous).This reaction will be non spontaneous redox reactions cannot be used to produce electricity. E standard potential value is positive so reaction is non spontaneously.

8. Would the following cell have a spontaneous reaction Explain. .pdf

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Write a command to find out how many users in /etc/passwd have the last name “Harris” but not “Harrison” or anything added to the end of “Harris”. (unix/linux) Solution By using erep command we can find out how many users in /etc/passwd. Here we are going to check whether there exists any user having the last name “Harris” but not \"Harrison\" egrep -i \"^Harris\" && ~\"^Harrison\" /etc/passwd.

Write a command to find out how many users in etcpasswd have the l.pdf

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Write a program that mimics the operations of several vending machines. More specifically, the program simulates what happens when the user chooses one of the vending machines, inputs money and picks an item from the vending machine. Assume there are two vending machines: one for drinks and one for snacks. Each vending machine contains several items. The name, price, and quantity of each item is given in two text files; one named “drinks.txt” for the drinks vending machine and the other named “snacks.txt” for the snacks vending machine. The format of the input values is comma-separated. The items listed should be organized in the file with the following order: name, price, quantity. Here are some example items: The actual reading and parsing of the input file is already handled in the class supplied to you (see code on BlackBoard). You are given the variables as individual values. You will need to create the .txt files for creating and testing your vending machines. You will need to create/complete three classes for this homework assignment: Item, VendingMachine, and VendingMachineDriver. Problem Description Milk,2.00,1 Within your VendingMachine class, include these methods: VendingMachineThisconstructormethodwilltakeinthenameoftheinputfileand create a vending machine object. A vending machine object will contain an array of Item objects called stock and an amount of revenue earned. This constructor method has been completed for you and should work appropriately once you have completed the rest of this class and the other class definitions. vendThismethodwillsimulatethevendingtransactionafteravalidamountofmoney and an item selection are entered. This method will decide if the transaction is successful (enough money or item) and update the vending machine appropriately. outputMessage This method will print an appropriate message depending on the success of the transaction. If the user does not have enough money to buy the chosen item, the vending machine should prompt the user to enter more money or exit the machine. If the vending machine is out of the chosen item, the program will print an apology message and prompt the user to choose another item or exit the machine. If there is enough money for the item selected, then the vending machine will give the user the item and return the change. printMenuThismethodprintsthemenuofitemsforthechosenvendingmachine. The Item class needs to include the following data variables: • description as a String • price as a double • quantity as an int Within your VendingMachineDriver class, include a main method as the starting point for your solution that creates the vending machine objects appropriately and then use a loop that continues interacting with the vending machines until the user enters “X” to exit. See the sample session for details. As you implement your solution, you might find that some methods contain some repeated coding logic. To avoid unnecessary redundancies in your code, have these method.

Write a program that mimics the operations of several vending machin.pdf

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