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Consider the following class de nition. This class is considered to be in an inconsistent state if the isConsistent() method returns false false false;
public class Foo {long mVaLue;long mVaLueTimesTwo;/*a• SETS THE STATE OF DUR OBJECT.•• PAUSES BRIEFLY BETWEEN SETTING THE FIRST AND SECOND• VALUES IN ORDER TD INCREASE THE PROBABILITY THAT THE• OBJECT WILL BE INTERROGATED WHILE IN AN INCONSISTENT• STATE.•• OPARAM PVALUE THE VALUE TO UPDATE THE CURRENT STATE WITH,public synchronised void set Values(long plIalue) { stfalue p Value ;doPause(3);mVaLueTimesTwo = pValue • 2;}/•:• CHECKS TD SEE IF THE CURRENT STATE OF OUR OBJECT IS• CONSISTENT.•• :RETURN TVS. 17 17 IS. * /public synchronized boolean t sCons is t ent {return (mVatue • 2 == mValueTimesTwo);}/**• UTILITY ROUTINE - PAUSES OUR THREAD BY CALLING• SLEEP AND SUPRESSING ANY INTERRUPTEDEXCEPTION.* /private static void doPause(lon$ pPause) { try {Thread.steep(pPause);} catch (InterruptedException e) { e.printStackTrace();}}
a. Imagine a hypothetical version of Java where the object lock is replaced by a method lock. Under this system a call to a synchronised method would assign a lock for that method to the calling thread. No other thread could then call this method because the lock is already allocated. However, other methods of the same object could still be called. Upon the method completing, the lock is released. Under this system, is it possible to put an instance of the Foo class into an inconsistant state? If so, give a code example which could create this situation and explain how it does so. If not, explain how the method lock prevents the possibility of inconsistent state.
b. Provide one possible motivation for choosing this hypothetical method lock over an object lock. Explain your answer.
Create a program, using at least one For loop, that displays the Sales Amounts made in each of 4 regions (North, South, East, and West) during a three month period.
Write a C program that asks for and reads in two integers and then reports if one is a multiple of the other.
Write a program to find out all 3-digit Narcissistic number. A number n is a 3-digit Narcissistic number if: (a) 100 n 999, (b) The sum of its own digits each raised to the power of 3 equals to itself. For example: 153 is a Narcissistic number ..
1. In C++, operator
Write a complete function, not an entire program, that has a C string and two int reference parameters (call them a and b), returning nothing.
Write a program to calculate a person's net pay after subtracting federal income tax.The program should ask the user to enter the person's name, social security number, gross pay, and the number of dependents.
Write a program to calculate students average test scores
Write a function day_of_year(month, day, year) that returns the day of the year (an integer between 1 and 366) specified by the three augments.
What will be the value of x after the following code is executed?int x = 20, y = 30;while (y
The project is to design and write a C++ 11/FLTK game program with a graphical user interface.The game is based on "pancake sorting,", which actually has some mathematical significance.
Find the sixth Maclaurin polynomial for sin x and use Chebyshev economization to obtain a lesser-degree polynomial approximation.
Submit the completed program (all 4 parts) including all class definitions/implementations in a single .cpp source file (i.e., do not construct separate files for class headers and implementation).
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