THE JR PROGRAMMING LANGUAGE phần 2 potx

... in their critical sections at the same time. Consider the values taken on by the turn variables in the Bakery2 pro- gram. Are these values bounded or can they become arbitrarily large? If they ... each of the other capabilities. 3 .2 Show the output from program Simple in Section 3.3 given the following method declarations: EXTENSIONS FOR CONCURRENCY This part of the text int...

Ngày tải lên: 12/08/2014, 13:22

... strips the tours should go from the top to the bottom; in even-numbered strips they should go from the bottom to the top. Once tours have been found for all strips, they are connected together. 17.13 Write ... and then stops the simulation. 19 .2. 2 Processor Class The Processor class implicitly creates NUM_PROCESSORS instances of processor , as shown in the following code....

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... Class 19.3 Observations Exercises 21 1 21 2 21 5 21 7 22 0 22 3 22 7 22 8 23 2 23 6 24 0 24 1 24 7 24 8 25 1 25 4 25 8 26 3 26 4 26 6 27 2 28 0 28 3 28 3 28 5 28 5 28 5 28 6 28 8 29 0 29 1 As noted above, JR extends Java with additional ... 2 2.1 6.1 8.1 8 .2 8.3 11.1 11 .2 11.3 12. 1 12. 2 13.1 13 .2 14.1 15.1 15 .2 15.3 15.4 15.5 16.1 17.1 18.1 18 .2...

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... executes the body of the loop as long as one of the two numbers is not EOS . The if statement compares the two numbers, outputs the smaller, and receives the next number in the stream from which the ... two others. Workers first interact with others that are distance 1 away, then distance 2 away, then distance 4 away, and so on. If there are n workers, the number of stag...

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... and then immediately requests the fork’s return. To reduce the number of messages exchanged, the request for the fork’s return could be combined with the passing of the fork. In particular, the ... on each virtual machine. The program outputs first the number 5—for the first writex (on the main virtual machine)—and then the number 10—for the second writex (on the...

Ngày tải lên: 12/08/2014, 13:22

... into JR programs. 12. 5 Exceptions and Operations 179 The method to which responsibility is forwarded, readFile in the example, inherits the call chain link from the forwarding method, read . In the ... in the subclass is routed through the method associated with the ProcOp to determine whether or not the invocation will be passed on to a Worker object. If the invocati...

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... four cities in the following order: (1, 2, 3, 4), (1, 2, 4, 3), (1, 3, 2, 4), (1, 3, 4, 2) , (1, 4, 2, 3), (1, 4, 3, 2) In the traveling salesman problem, the goal is to find the shortest tour. ... starts the computation, checks for termination, gathers the results from the workers, and returns the overall result to the invoker. 17 .2 Replicated Workers and a B...

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... value. The goal is for the processes to de- termine the minimum of the set. The processes repeatedly interact, with 20 .2 BnB Code Overview 303 300 Interfacing JR and GUIs 20 .2. 4 Board Class The Board ... bottom of the board, it in effect makes the ball “bounce off” the border. If the new location of the ball is off the board to the left or the right, the...

Ngày tải lên: 12/08/2014, 13:22

... Range/Precision Signed integral 8 sbyte – 128 127 16 short – 32, 768 32, 767 32 int 2, 147,483,648 2, 147,483,647 64 long –9 ,22 3,3 72, 036,854,775,808 9 ,22 3,3 72, 036,854,775,807 Category Description Hejlsberg.book ... and describes the C# 1.0 language, as delivered in Visual Studio .NET 20 02 and 20 03. Part II, “C# 2. 0,” includes Chapters 19 23 and describes the four maj...

Ngày tải lên: 12/08/2014, 23:23

... The language also has structured programming state- ments (such as if/then/else/endif) and the ability to have assembly language inserted as part of the BASIC program files. These changes to the ... NUMBER LIMITATIONS PIC12F 629 None PIC12F675 None PIC16C84 None PIC16F 627 2 RAM banks PIC16F 627 A 2 RAM banks PIC16F684 1 RAM bank, 1K program memory PIC16F690 2 RAM banks, 2K...

Ngày tải lên: 12/08/2014, 23:21