Java virtual machine (JVM) can only run one method at a time on a thread. Do any facts back up what you think you know?
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A Java virtual machine (JVM) can only run one method at a time on a thread. Do any facts back up what you think you know?
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- Arrays in Java are objects that use reference semantics. Explain what this means and How it affects modification of arrays. You must start a thread before you can read and reply to other threadsI need a line by line explanation (using comments in the code itself) of the below Java program. I want to know what each line of code is doing / its purpose. The application itself deals with concurrency and has two threads. One thread counts from 0 to 20 and then the other thread counts down from 20 to 0. Please and thank you Java source code: package application; public class JavaConcurrency { private static final Object lock = new Object(); private static boolean isCountingUpDone = false; public static void main(String[] args) { Runnable countUp = () -> { for(int i = 0; i <= 20; i++) { synchronized (lock) { System.out.println("Thread 1: " + i); if (i == 20) { isCountingUpDone = true; lock.notifyAll(); // Notify thread 2 to start counting down System.out.println("\nThread 1 complete\n"); }…Write a program in Java programming: Imagine you have a static ArrayList that contains a list of numbers(Integer). Your task is to create two threads. One thread is adding random new numbers(1~100) into the list every 1 second. The second thread is removing all the odd numbers, and printing the list on the screen every 1.5 seconds. Your program should never end and please make sure to handle any race condition to avoid the ConcurrentModificationException. Please check below for a sample output. [][][48][48][48, 2][48, 2, 8][48, 2, 8, 80, 90][48, 2, 8, 80, 90][48, 2, 8, 80, 90, 94][48, 2, 8, 80, 90, 94, 28][48, 2, 8, 80, 90, 94, 28, 80][48, 2, 8, 80, 90, 94, 28, 80, 40]
- Answer the given question with a proper explanation and step-by-step solution. Write a java program to create a A Web crawler searches the Internet for finding web pages associated with index terms. The crawler needs to know whether or not a page has been already visited. Design an algorithm and a data structure that keeps track of this.In java, there are four types of concurrency control, semaphores, monitors, locks and atomic values, give an example of when you would use one over the other, (you don’t have to provide code, just explain the situation).In JAVA Command line execution: java cs280a1.hw2.Memory <size> <experiments> <seed>
- Implement stacks in both Java and Python. You can use online java compiler IDE or netbeans.Computer Science import java.time.LocalDate; import java.util.List; public class Birthdays { //todo A // Java 8 added an improved date & time API. // New classes were added like LocalDate, Period and others. // What does API mean in this context? // Answer: // // // //todo B // In the main method initialize birthdays of all of your team mates (do not have to be real birthdays). // Call function "oldest" to find out who is the oldest. You will have to modify "oldest" to work properly. // Hint: when googling add java 8 to your search // Print out the result (oldest date). //todo C // Create a function to find out the age of person. // Hint: all the classes you require are mentioned on line 10 // Print out the result (age in years). public static void main(String[] args) { } /** * returns the oldest/earliest date */ public static LocalDate oldest(List<LocalDate> birthDays){ return null; } }.Analyse the case study given in chapter 3 Linked list Answer the following questions from Library.java 1. Write the different class names with class keyword 2. Write the different methods using public and private keywords 3. Write the class names with extends keyword linkedlist 4. Write import statements used in library.java 5. Write the main method
- Construct a Java program to display two different shapes in an applet or a frame and fill these two different shapes with random colors at the same instance of time using multi-threading concept in java.convert or translate this Java Code to ( C PROGRAMMING)(STDIO.H) //import java util class import java.util.*; //import staement to import ThreadLocalRandom class import java.util.concurrent.ThreadLocalRandom; //main class public class Main { //main method public static void main(String[] args) { //create a scanner class object Scanner sc = new Scanner(System.in); //declaring an integer variables int userInput = 0, i; // create an array with a size of 10 elements int[] IntArray = new int[10]; //initiating random class ThreadLocalRandom NumRandom = ThreadLocalRandom.current(); //using for loop to store the value in array created by random class for(i = 0; i < 10; i++) { //assigning random values to array IntArray[i] = NumRandom.nextInt(1, 31); } //Display output…Turtle Hare Race - Multithreading Use Java multithreading to implement the turtle hare race program. You are not allowed to use Timer events. Your program should have one thread for turtle, one thread for hare, and one dedicated thread for periodic painting.