4. a) Which missing code will create and start this thread? public class MyRunnable implements Runnable public void run() // some code here

If the thread pool contains no available thread : Select one: a.the server runs a new process b.the server goes to another thread pool c.the server waits until one becomes free d.the server demands for a new pool creation

: Suppose we have the following code:public class Foo {public Foo() { ... }public void first() { ... }public void second() { ... }public void third() { ... }}The same instance of Foo will be passed to three different threads. ThreadA will call first,threads will call second, and thread( will call third. Design a mechanism to ensure thatfirst is called before second and second is called before third.

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…

Lab Activities: Exercise 1: 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". 2) Modify the above thread program so that you implement the interface Runnable. Make the main thread waiting till all other threads finish execution.

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.