Posted: February 11th, 2022

Java computer science linked list

Question description

1.For the following question - make sure you document it with comments in the code.2.You must use classes Time1 and BusArrival - You can get those classes in the zip file attached OR here - https://gist.github.com/rootux/69b4909a090ceae2eb353.Also make sure that for each method you have a documentation in the header.4.Make sure that the name of the methods would be exactly as written.5.The result is 1 file - BusArrivalNode.java zipped inside a file.6.Write as a comment on the API what is the time complexity and the place complexity of every method you wrote.Question 1:Class BusArrivalNode represents a single item in the linked list.Class will include the two attributes:1. BusArrival  _busArr2. BusArrivalNode  _nextU must write the constructors and the methods that are necessary in class.For this class you have to define three constructors:1. public BusArrivalNode (BusArrival b)Receive the bus arrival (an object from class BusArrival) next_ field will be set to null.2. public BusArrivalNode (BusArrival b, BusArrivalNode n)Gets the bus arrival (object from class BusArrival) and another item n from type BusArrivalNode. The constructor would init the attributes by the given parameters. _next field will point to n.3. public BusArrivalNode (BusArrivalNode b)Copy constructor. Notice you have to copy the information (next) itself and not a copy of the pointer. Which means  in this case aliasing is the right thing.The methods in class BusArrivalNode are:* public BusArrival getBusArr() – returns a copy of the bus arrival.* public BusArrivalNode  getNext()- returns pointer to the next item. Notice that aliasing is not a mistake here either. You need to return the pointer next and not a copy of the pointer.* public void aetBusArr (BusArrival b) - receives the bus arrival and update the arrival attribute in the vertex.* public void setNext(BusArrivalNode  next) - receives a pointer and update the pointer attribute to the next item. Notice that aliasing is not a mistake here either. You need to update the information (next) itself and not a copy.20160130184602time1_and_busarrival.zip

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