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Write method in the MusicExchangeCenter class called uniqueDownloads() that returns (i.e., not displays) a TreeSet of all downloaded Song objects such that the set is sorted alphabetically by song title. There should be no duplicates songs in this set.
Write method in the MusicExchangeCenter class called songsByPopularity() that returns (i.e., not displays) an ArrayList of Pair objects where the key of the pair is an Integer and the value is the Song object. The integer key should represent the number of times that that song was downloaded. The list returned should be sorted in decreasing order according to the number of times the song was downloaded. To sort a list of Pair objects, you can use the following code:
Collections.sort(popular, new Comparator>() { public int compare(Pair p1, Pair p2) { // PUT YOUR CODE IN HERE } });
Just insert the missing code so that it returns an appropriate integer indicating whether pair p1 comes before or after pair p2 in the sort order
You are asked to lend money for a major commercial real estate development in a foreign country. There is some talk about a further devaluation of the foreign
Your company is currently planning to automate many different system administration tasks. Your manager has asked you to research a system administration task and implement it using VBScript. In addition, your manager would like to see both a proposa..
3. A company noting the success of 24-bit digital audio technologies compared to earlier 16-bit digital audio technologies has decided to work on developing a 28-bit digital audio technology. a. Describe the type of signal conversion being utilized a..
Evaluate the level of impact of IT / enterprise architecture on information management (e.g., the flow of information throughout the company / organization, etc.) within a company or industry of your choice.
What is the relationship between a TCP and UDP packet? Will any specific transaction usually involve both types of packets?
What is a Security Risk Assessment? What elements does it entail? Does it include or exclude Penetration Testing?
rite a java program for a Toy Car Application. This Car Control can be used to command a electric toy car to power on, power off.
Show that the optimal modelfree lower bound for D is always less than or equal to f (So). Formulate and prove an analogous result for upper bounds.
The program at this point only needs to prompt for multiple customers. Each order will need to prompt for number of skate boards, region and weight.
You're working with a typical user who doesn't know much of ANYTHING about computers, let alone Windows. They're notorious for losing track of documents they worked on, and they hate having to go into the Start menu to find programs. List three tw..
What is the cost of equity capital? If the firm has a tax rate of 25% and a bond yield of 6.2%, what is the firm's weighted average cost of capital?
Use the Person class functions to simulate a random arrival of a person and a random request for a floor to which the elevator should take this person.
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