What happens if you add an entry to a map that uses a key that already exists
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What happens if you add an entry to a map that uses a key that already exists?
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- How do you print out all keys currently stored in a map?Urgent Requirement: There will one question related to ArrayList class similar to the following question. The following driver has created a an ArrayList of Point objects. write a method that moves all the points with the value of x greater than its value of y to the end of the list. .Challenge exercise Create a class called SortingTest. In it, create a method that accepts an array of int values as a parameter and prints the elements sorted out to the terminal (smallest element first).
- (Count entire words, not parts of words. For example rate and rated would be different counts. Say rate is there 10 times and rated is there 5 times, that should be the count not rate 15, rated 5. Don't count parts of words.) A Map is an interface that maps keys to values. The keys are unique and thus, no duplicate keys are allowed. A map can provide three views, which allow the contents of the map to be viewed as a set of keys, collection of values, or set of key-value mappings. In addition, the order of the map is defined as the order in which, the elements of a map are returned during iteration. The Map interface is implemented by different Java classes, including HashMap, HashTable, and TreeMap. Each class provides different functionality and can be either synchronized or not. Also, some implementations prohibit null keys and values, and some have restrictions on the types of their keys. A map has the form Map <k,v> where: K: specifies the type of keys maintained in…How can you evaluate the state of an ArrayList to assess how effectively it is functioning?The UnsortedTableMap class is located in the maps folder. In the attachment, you will find a partially implemented class called UnsortedMapOfLists, which extends UnsortedTableMap. The values associated with the keys in UnsortedMapOfLists are arrays. So you have an array with each key. Off course you can save an array in the value of UnsortedTableMap class without the class we are going to develop, but our class makes this easier, as it allows using a syntax like this: myMap["somekey", 1] to reach element at index 1 in the array associated with key "somekey". I already implemented methods __setitem__ and __getitem__. Your task is to: implement method __delitem__ . Deletion will be performed for an element in the array. If index is not given, delete the array associated with the key. implement a function (not a method in the class) to swap the arrays associated with two given keys. Add the required comment in method __getitem__. implement a main to verify that your code is working…
- What happens if you always generate a Random object with the same seed value?: Design and implement a text-based Minesweeper game. Minesweeper is the classicsingle-player computer game where an NxN grid has B mines (or bombs) hidden across the grid. Theremaining cells are either blank or have a number behind them. The numbers reflect the number ofbombs in the surrounding eight cells. The user then uncovers a cell. If it is a bomb, the player loses.If it is a number, the number is exposed. If it is a blank cell, this cell and all adjacent blank cells (up toand including the surrounding numeric cells) are exposed. The player wins when all non-bomb cellsare exposed. The player can also flag certain places as potential bombs. This doesn't affect gameplay, other than to block the user from accidentally clicking a cell that is thought to have a bomb.(Tip for the reader: if you're not familiar with this game, please play a few rounds on line first.)Add a getUnsold method to the Auction class with the -following header: public ArrayList getUnsold() This method should iterate over the lots field, storing unsold lots in a new ArrayList local variable. What you are looking for is Lot objects whose highestBid field is null. At the end of the method, return the list of unsold lots.