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- Modify and run the program shown below in the following way. There is an array of 20 elements defined in the program. The elements of the array are: [20 18 16 14 12 10 8 6 4 2 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2]. Thread 1 adds the first five elements [20, 18, 16, 14, 12], Thread 2 adds the next five elements [10, 8, 6, 4, 2], ..., Thread 4 adds the last five elements [-10 -8 -6 -4 -2]. Finally, the sum of all the 20 elements is printed by the main program. include <pthread.h> #include <stdio.h> #include <stdlib.h> #define NUM_THREADS 3 int counter=1; void *PrintHello(void *threadid) { counter = 2*counter+ (int) threadid; printf("\n Thread Id: %d Counter: %d\n", threadid, counter); pthread_exit(NULL); } int main(int argc, char *argv[]) { pthread_t threads[NUM_THREADS]; int rc, t; for(t=0;t<NUM_THREADS;t++){ printf("Creating thread %d\n", t); rc = pthread_create(&threads[t], NULL, PrintHello, (void *)t); if (rc){ printf("ERROR; return…Can you please help me with this code because I am struggling on how to do this, This has to be in C code. question that I need help with: Write a multithreaded program that calculates various statistical values for a list of numbers. This program will be passed a series of numbers on the command line and will then create three separate worker threads. One thread will determine the average of the numbers, the second will determine the maximum value, and the third will determine the minimum value. For example, suppose your program is passed the integers 90 81 78 95 79 72 85 The program will report The average value is 82 The minimum value is 72 The maximum value is 95 The variables representing the average, minimum, and maximum values will be stored globally. The worker threads will set these values, and the parent thread will output the values once the workers have exited. (We could obviously expand this program by creating additional threads that determine other statistical values,…Develop a Java application using NetBeans called ICFK 1200metersRace that will simulate a K-1 200 metres race between 2 people Your program must make use of threads to simulate the race. Create and start your threads in your main class. Your program must have a class called Athletes that implements the Runnable interface with a constructor that takes a String name which will be the athlete’s name. The Athletes class should have a run() method. This should simulate the times the athletes pass the 20-meter intervals. The run method should also allow a thread to sleep for a random interval of up to 3 seconds. After the run method has executed, the athlete’s name should be output to the screen to simulate that they have finished the race.
- i) The semicolon (;) suppresses output when used with MATLAB commands. A) True (B) False ii) A variable name must begin with a number. A) True (B) False iii) The zeros(m,n)command create a matrix with m rows and n columns in which all elements are the numbers 1. A) True (B) False iv) Which of the following is used to see if two elements are equal in MATLAB? A) != B)= C) isequal D)= v) To add a comment to the mfile, the MATLAB command is A)% B); C) comment('') D) & vi) To display 'Question 2' in the command window, the correct command is A) disp(Question 2) B) display('Question 2') C) disp('Question 2¹) D) Question 2 vii) A correct name for a variable is A) larearee B) area rec C )area_rec D )cos viii) A matrix is considered to be square if the A) matrix contains all zero elements B) number of rows and columns are the sameErrors produced when calling 3. Find the maximum element from the BST or4. Find the minimum element from the BST before adding elements so the program should output 0(0) instead of an error "Exception in thread "main" java.lang.NullPointerException: Cannot read field "right" because "<local1>" is null at BST.findMax(BST.java:109) at BST.main(BST.java:194)" "Exception in thread "main" java.lang.NullPointerException: Cannot read field "left" because "<local1>" is null at BST.findMin(BST.java:118) at BST.main(BST.java:197)"Exercise 1: Write a thread class TabPrinter that prints the elements of an array of integers (in one line) every 2 seconds 5 times. Use the way of extending the class thread. Write the main method which creates and starts three threads Printer which will print different arrays of integers. After that it prints "Main won’t wait. Main exits". Modify the above thread program so that you implement the interface Runnable. Make the main thread waiting till all other threads finish execution. ____________________________________________________________________________________________ Exercise 2: Write a thread class TextThread that prints a text every 1 second 10 times. Read the following main class. Try to guess what will be its output. class Test { public static void main(String s[]) throws Exception { TextThread x = new TextThread ("I am thread x"); TextThread y= new TextThread ("I am thread y"); System.out.println("I am Main thread"); } } Write it and execute it. Is the…
- Which of the following statements are true? a. A condition is associated with a lock. b. To invoke methods on a condition, the lock must be obtained first. c. The signal method on a condition causes the lock for the condition to be released. d. Once you invoke the await method on a condition, the lock is automatically released. Once the condition is right, the thread re-acquires the lock and continues executing.Could you kindly utilize solely my code as I contributed to its development? I emphasize, please utilize only my code.I attached my code below label my code. The question that I need help with: You need to use the pthread for matrix multiplication. Each threadfrom the threadpool should be responsible for computing only a partof the multiplication (partial product as shown in the above picture –all Ti(S) are called a partical product). Your main thread should splitthe matrices accordingly and create the partial data arrays that areneeded to compute each Ti. You must create a unique task with thedata and submit it to the job queue. You can compute the partialproducts concurrently as long as you have threads available in thethreadpool. You have to remove the task the from queue and submitto a thread in the threadpool. You should define the number ofthreads to be 5 and keep it dynamic so that we can test the samecode with a higher or lower number of threads as needed. When allthe…There are four resources (A, B, C, D) and fourTasks (Task2, Task3, Task, Task5). A Taskrequests resources as listed below, when getsall of them increments own counter andreleases resources.Task2: A, BTask3: B, CTask4: C, DTask5: A, B, C, DDevelop a Picoos application executing withinendless loop. A monitor task monitors andprints ownership of resources and taskcounters.In your application, show deadlock andstarvation conditions with screen output ifthere are. Fix these problems as a secondversion and explain. You can use my examplesattached
- Lab 02: Splitting a URL into pieces URLS are composed of five pieces: The scheme, also known as the protocol The authority (may further be divided into the user info, the host, and the port) The path The fragment identifier, also known as the section or ref The query string Read-only access to these parts of a URL is provided by nine public methods: getFile(), getHost(), getPort(), getProtocol(), getRef(), getQuery(), getPath(), getUserinfo(), and getAuthority(). Write a Java program which uses these methods to split URLS entered on the command line into their component parts.in java fx Write a program that launches 1,000 threads. Each thread adds 1 to a variable sum that initially is 0. You need to pass sum by reference to each thread. In order to pass it by reference, define an Integer wrapper object to hold sum. Run the program with and without synchronization to see its effect.Parallel version 1 (Name this file as Q1_PLV1.java): o Repeat the sequential version using two threads along with the main thread. o Each thread creates a list of 25,000 students with randomly generated GPAs, randomly generated Ages, and sequential IDs. o Each of the two threads then calculates the average GPA and AGE (after creating the lists). o The two threads work in parallel. o The main thread waits for the two threads to finish and then calculates and prints the final average GPA and AGE from what is reported by the individual threads. • Parallel version 2 (Name this file as Q1_PLV2.java): o Repeat the Parallel version1 task using five threads (each is working on 10000 students) along with the main thread. To measure the time your computer takes to complete a certain task: • Read and store the current time (t1) before you start the task (e.g., before creating the lists), • After the task (e.g., after calculating the average), read and store the current time (t2). • The…