What design features might aid one viewpoint but not the other
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2.11 Two opposing views on comments in programs could be stated as follows: (a) A
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- Which of the following is NOT true about procedural abstraction? A. Procedural abstraction improves code readability B. Procedural abstraction manages complexity by allowing for code reuse C. Procedural abstraction improves the speed at which a program executes D. Procedural abstraction allows a solution to a large problem to be based on the solution of smaller subproblemsProgramme remarks have two opposed viewpoints: (a) For readability and maintenance, programmes should always provide detailed comments. (b) Comments should be used sparingly to clarify code. Discuss these two approaches from a language design perspective. What design characteristics help one perspective but not the other? How can they benefit?1.1. Software evolution does not comprise: a. Development activities b.Negotiating with client c.Maintenance activities d.Re-engineering activities 1.2. Some programming constructs and techniques, such as GOTO statements, pointers, recursion, inheritance, and floating-point numbers are inherently error-prone, These should NOT be used when developing systems. a. web based b. interactive c. dependable d. unexpected e. executable is a software unit whose functionality and dependencies are completely defined by a set of can be combined with other components without reference to their 1.3. А public interfaces. implementation and can be deployed as an executable unit. a. component b. requirement c. composition d. function e. language
- (For thought) a. What’s an advantage of namespaces? b. What’s a possible disadvantage of namespaces?Optimization is the fifth stage of the compiler that enhances the performance of code by increasing its speed and reducing the usage of resources.1) Select a portion of code written in a programming language of java and apply four types of optimization techniques on it.2) Explain the applied techniques and their impact on the performance. Note: The word limit is 250-300 words (without considering the example of code).Which of the following is not a requirement of structured design? A. It should be made up of a hierarchy of modules B. It should use many GOTO statements C. The code should be executed in a top-to-bottom fashion within each module D. Each module should be as independent as possible of all other modules, except its parent E. None of the above
- 1. Compare the features of C#, Python and C++ programming languages. Use Google trends to analyze the popularity of these languages among the programmers in Middle East region. Provide screenshots to justify your results. 2. What is an Interface class? Explain with an example. 3. Consider the program below. What is the output of the program? If the break statement is replaced with continue statement, what will be the output? class hello { public static void Main(String[] args) { for (int i = 0; i <= 5; i++) { if (i == 4) { break; + i); Console.Writeline("The number is Console.ReadLine(); }Reviewing this program address the following points: Design/Implementation: Are there noticeable issues/flaws in the design and implementation of the code? How would you remedy such issues? Readability: Is the code well organized and easy to follow? Can you understand what is going on, easily? Documentation: Is the documentation well-written? does it explain what the code is accomplishing and how? Remember good documentation includes descriptive variable and function names in addition to clear/concise annotation. Efficiency: Was the code efficient, without sacrificing readability and understanding? #include <iostream> using namespace std; int main() { double meal, tax, tip, total; //create variables double taxPercentage = .0675, tipPercentage = .2; //initiate percentage values cout << "Enter a meal charge: \n"; cin >> meal; //enter meal tax = meal * taxPercentage; tip = (meal + tax) * tipPercentage; total = meal+tax+tip; cout…a field devoted to the study of computers Can you please explain the pros and cons of passing by reference vs passing by value?
- General Instructions: 1. Exam part will be available for the whole day. 2. Program will be graded as pairs using the the Assessment Task Pairs. 3. Only 1 attempt is provided for Java file submission. Specific Instructions Write a java program, that will be able to determine whether a number is divisible by 3 by adding all of its digits. Limitations: 1. Use only basic arithmetic operators and control structures. 2. Treat the number as an integer only. 3. User BufferedReader for Input and JOptionPane for Output Example Enter number: 2147483647 Not divisible by 3 Process Demo 2147483647 2+1+4+7+4+8+3+6+4+7 - 46 4+6 - 10 1+0 - 1 Repeat the process of adding until the number becomes a single digit. Output will be "Divisible by 3" when the final sum is 3, 6 or 9.a) What are the design issues for names in programming languages? Explain. b) Java uses a right brace to mark the end of all compound statements. What are the arguments for and against this design? c) Many languages distinguish between uppercase and lowercase letters in user-defined names. What are the pros and cons of this design decision? d) What is your opinion of the argument that languages that are too complex are too dangerous to use, and we should therefore keep all languages small and simple?Although Algol60's flexible style permits statements to start and stop anywhere, the majority of programming languages today demand that statements explicitly end with an end symbol, such as a semicolon or a colon. In contrast, Python and a select few other programming languages have a predefined structure whereby statements start in a certain column and conclude at the end of a line of code unless continuation marks are included for each statement. You will discover how fixed or free formats affect readability, writability, and security in this section.