A) Write a Thread class (called worker) that takes two numbers (A and B, A < B) and calculates the products of all numbers between A and B. the result is stored in a local variable than can be accessed through a get method. B) Write a main program to calculate the factorial of a given number n (factorial(n) = 1 x2x3x.xn). The main thread reads n from the user, then creates two instances of Worker. Each one is requested to calculate the half of numbers between 1 and n. Once they finish, the main thread will gather their results and print the final result (result1 x result2).
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- 2) 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"); x.start(); y.start();System.out.println("I am Main thread"); } } 3) Write it and execute it. Is the output convenient with your previous answer? What’s wrong? Complete the code so that all thread execute properly. Answer the third question, pleaseFirst, generate a series of random points as simple (x, y) coordinates. These points must fall within the Cartesian coordinates that bound the square. Of the total number of random points that are generated, some will occur within the circle. Next, estimate by performing the following calculation: π = 4 × (number of points in circle) / (total number of points) Write a C program that creates several threads, each of which generates random points and determines if the points fall within the circle. Each thread will have to update the global count of all points that fall within the circle. Protect against race conditions on updates to the shared global variable by using mutex locks.7. Write an application in Java that creates and starts three threads. a. Each thread is instantiated from the same class.b. It executes a loop with 10 iterations.i. Each iteration displays the string "HELLO"ii. Sleeps for 300 milliseconds.c. The application waits for all the threads to complete & displays the message "Good Bye...".
- Write a multithreaded C++, Pthread program that outputs prime numbers <= N. This program should work as follows: the user will run the program and will enter a number N on the command line. The program will then create a separate thread that outputs all the prime numbers less than or equal to N specified in the command-line argument. Please comment every line in the code with its funcionalityWhen I perform action 3 or 4 first I get 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)"How do you go about fixing this so, example input and output should be:Command: echo 3 4 5 6 7 0 | java BSTOutput: 0(0)0(0)System calls from any thread can stop a kernel. (T/F)
- write a program that consists of two threads. The first is the main thread that every Java application has. The main thread should create a new thread from the Runnable object, MessageLoop, and wait for it to finish. If the MessageLoop thread takes too long to finish, the main thread should interrupt it. Use a variable named maxWaitTime to store the maximum number of seconds to wait. The main thread should output a message stating that it is still waiting every half second. The MessageLoop thread should print out a series of 4 messages. 4 means 4. If you use 5 messages, you will receive a 0. These messages should be numbered, as in the example below. It should wait 850 milliseconds between printing messages to create a delay. If it is interrupted before it has printed all its messages, the MessageLoop thread should print "Message loop interrupted" and exit. Or you can let main print "Message loop interrupted" as in the sample output. The MessageLoop thread must try to output all 4…Please can you help me with the code that I have contributed, as I played a role in its development. Please ensure that only my code is utilized. This code should be written in C, and I have provided a portion of it below. Question that I need help with: You need to use the pthread for matrix multiplication. Each thread from 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…Write a multithreaded C++, Pthread program that outputs prime numbers <= N. This program should work as follows: the user will run the program and will enter a number N on the command line. The program will then create a separate thread that outputs all the prime numbers less than or equal to N specified in the command-line argument.
- Write a java application withtwothreads named “Thread-1” and “Thread-2”. The “Thread-1”reads the file “sampleFile.txt” contentand notifies “Thread-2”whenever it reads an even number. “Thread-2”writes user input into the same file and notifies “Thread-1”to continuethe process. This process will continue until user enters keyword “stop” w giving the input in the “Thread-2”.Part 1: Thread creation (30%)a. Using Java multithreading library, write a Java program that calculates the sum of the numbersfrom 1 to 100,000,000. Split the numbers between four threads equally where each threadcalculates the sum of one fourth of the numbers. For example, the 1st thread will calculate the sumof the numbers from 1 to 25,000,000 whereas the 2nd thread will calculate the sum of the numbersfrom 25,000,001 to 50,000,000 and so forth. The main thread will have to print out the sum aftergathering the results. Note that you have the choice to create threads by either implementingRunnable interface or extending Thread class.b. Now, write a sequential version of the program described above using a single main thread (i.e.,without multithreading). Make sure to record and print out the time spent during the execution ofboth sequential and multithreaded versions (hint: you may consider usingSystem.currentTimeMillis() to record execution time).Part 2: Synchronization (40%)Assume…IN C# NEED NOW Write a class called Timer. It will have a single integer attribute called seconds. It will have a constructor which takes in a time (int) and sets seconds. This class will be used in a thread. It's method should sleep for the amount of seconds and then print "Times up". In your main method create a thread of the Timer class, set the seconds to 5, and start the thread.