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(in java eclipse) write comments in the code please.
f. Create a new StringBuilder Object using no-arg constructor.
g. Using for loop append the array elements one by one to the StringBuilder (one per loop iteration)
h. Record and display the run-time it took to append all integers to the StringBuilder (record run-time
of 2.g.))
E.g. “It took ______ nanoseconds to append 50 integers to the StringBuilder
Step by step
Solved in 2 steps with 1 images
- (Random sentences and story writer) Write an app that uses random-number generation to create sentences. Use four arrays of strings, called article, noun, verb andprepostion. Create a sentence by selecting a word at random from each array in the following order: article, noun, verb, preposition, article, noun.As each word is picked, concatenate it to the previous words in the sentence. The words should be separated by spaces. When the sentence is output, it should start witha capital letter and end with a period. The program should generate 10 sentences and output them to a text box. The arrays should be filled as follows:The article array should contain the articles "the", "a", "one", "some" and "any";The noun array should contain the nouns "boy", "girl", "dog", "town", "car";The verb array should contain the past tense verbs "drove", "jumped", "ran", "walked" and "skipped";The preposition array should contain the preposotions "to", "from", "over", "under" and "on";7). (Sum ArrayList) Write the following method that returns the sum of all numbers in an ArrayList: public static double sum(ArrayList<Double> list) Note:- Please write a java code and also need an output for this program. (Also, let me know with what name file should be saved to get output)(Maximum element in an array) Implement the following method that returns the maximum element in an array . public static > E max (E[] list) Write a test program that prompts the user to enter 10 integers, invokes this method to find the max.
- (Java) Write a Java program that reads 20 integer numbers from the user using a loop. The program should find and display the largest number and the smallest number and the average of the 20 numbers entered.You Should not use arrays.You should have comments in your code.Run the program and take screenshots. Submit your Java code file and the screenshots(2-D arrays with GenderMag) Submit one PDF file in Blackboard with your classes and a screenshot of the outputs. Also, answer the questions in Part 2 concerning GenderMag. Part 1: Write a program that uses a 2-D array to store the highest and lowest temperatures for each month of the year. The program should output the average high, average low, and highest and lowest temperatures of the year. Your program must consist of the following methods with their appropriate parameters: a.) getData: This method reads and stores the data in the 2-D array. b.) averageHigh: This method calculates and returns the average high temperature of the year. c.) averageLow: This method calculates and returns the average low temperature of the year. d.) indexHighTemp: This method returns the index of the highest temperature in the array. e.) indexLowTemp: This method returns the index of the lowest temperature in the array. Use the following input: High temp for each month: 30 40 45 60 70 90 89 95 79 90 70…please code in python Forbidden concepts: arrays/lists (data structures), recursion, custom classes You have been asked to take a small icon that appears on the screen of a smart telephone and scale it up so it looks bigger on a regular computer screen.The icon will be encoded as characters (x and *) in a 3 x 3 grid as follows: (refer image1 ) Write a program that accepts a positive integer scaling factor and outputs the scaled icon. A scaling factor of k means that each character is replaced by a k X k grid consisting only of that character. Input Specification:The input will be an integer such that 0 < k ≤ 10. Output Specification:The output will be 3k lines, which represent each individual line scaled by a factor of k and repeated k times. A line is scaled by a factor of k by replacing each character in the line with k copies of the character. [refer image2]
- (Bubble Sort) Implement the bubble sort—another simple, yet inefficient, sorting technique. It’s called bubble sort or sinking sort because smaller values gradually “bubble” their way to the top of the array (i.e., toward the first element) like air bubbles rising in water, while the larger values sink to the bottom (end) of the array. The technique uses nested loops to make several passes through the array. Each pass compares successive overlapping pairs of elements (i.e., elements 0 and 1, 1 and 2, 2 and 3, etc.). If a pair is in increasing order (or the values are equal), the bubble sort leaves the values as they are. If a pair is in decreasing order, the bubble sort swaps their values in the array. The first pass compares the first two elements of the array and swaps them if necessary. It then compares the second and third elements. The end of this pass compares the last two elements in the array and swaps them if necessary. After one pass, the largest element will be in the last…. (True/False): A segment selector points to an entry in a segment descriptor table[Updated[ Python Code Pt1: Algorithms and Data Structures Please use the sample input to see if the code works, as the output of the final code, must be the same as the correct output. Follow the details and notes provided and show the complete working sample code. Additionally, include comments to make the code easier to understand. I will show how the output was found (check K);Note: The final code should result in correct output (check I) if sample input A (check H) is used, or else I will give an automatic thumbs down A. TASKThe user inputs a path system and the work needed to traverse them. The goal is to Identify the relationships between paths, whether they have sequential, adjacent, or null relationships. For every sequential and adjacent relationship, give their work done based on the formula (check D). B. SAMPLE A path system illustration //See Image C. Relationship Examples with Sample A as basisSequential relationships: Path1 and Path2 as they are single paths that are…
- (Flattening arrays with flatten vs. ravel) Create a 2-by-3 array containing the first six powers of 2 beginning with 2^0. Flatten the array first with method flatten, then with ravel. In each case, display the result then display the original array to show that it was unmodified. Please use Python and keep it simple.(Python matplotlib or seaborn) CPU Usage We have the hourly average CPU usage for a worker's computer over the course of a week. Each row of data represents a day of the week starting with Monday. Each column of data is an hour in the day starting with 0 being midnight. Create a chart that shows the CPU usage over the week. You should be able to answer the following questions using the chart: When does the worker typically take lunch? Did the worker do work on the weekend? On which weekday did the worker start working on their computer at the latest hour? cpu_usage = [ [2, 2, 4, 2, 4, 1, 1, 4, 4, 12, 22, 23, 45, 9, 33, 56, 23, 40, 21, 6, 6, 2, 2, 3], # Monday [1, 2, 3, 2, 3, 2, 3, 2, 7, 22, 45, 44, 33, 9, 23, 19, 33, 56, 12, 2, 3, 1, 2, 2], # Tuesday [2, 3, 1, 2, 4, 4, 2, 2, 1, 2, 5, 31, 54, 7, 6, 34, 68, 34, 49, 6, 6, 2, 2, 3], # Wednesday [1, 2, 3, 2, 4, 1, 2, 4, 1, 17, 24, 18, 41, 3, 44, 42, 12, 36, 41, 2, 2, 4, 2, 4], # Thursday [4, 1, 2, 2, 3, 2, 5, 1, 2, 12, 33, 27, 43, 8,…(Find the index of the largest element) Write a function that returns the index of the largest element in an array of integers. If there are more such elements than one, return the largest index. Use the following header: int indexOfLargestElement(double array[], int size)