Re: CS508 GDB.1 Solution and Discussion
Total Marks 5
Starting Date Monday, February 15, 2021
Closing Date Tuesday, February 16, 2021
Status Open
Question Title GDB
Question Description
In a programming world, Lambda Expression (i.e. lambda function) is essentially a block of code that can be assigned to a variable, passed as an argument, or returned from a function call. It has been part of several programming languages like Smalltalk, Lisp, Ruby, Scala, Python, Java and C# etc. for quite some time.
In context of C# programming, a lambda can be used instead of an anonymous method/function where we do not need to provide access modifier, return type and even name of the method. For example, the following anonymous method checks if a student is teenager or not:
Listing 1: (anonymous method in C# to check if a student is teenager or not)
delegate(Student std) {
return std.Age > 12 && std.Age < 20;
}
While the same functionality can be achieved by using lambda as;
Listing 2: (checking if a student is teenager or not using lambda in C#)
std => std.Age > 12 && std.Age < 20;
Here, we can see that the code has been shortened (i.e. writability increased). However, it makes the code relatively difficult to understand as “std” in listing 2 is ambiguous (i.e. readability decreased). But what about Reliability?
Being a programming language expert, you are required to compare both approaches (i.e. code written with/without lambda) and state which one is better in terms of Reliability in C# programming language.
Re: CS508 Assignment 3 Solution and Discussion Fall 2019
Assignment No. 03
Semester Spring 2020
CS508- Modern Programming Languages
Total Marks: 20
Due Date: July 27, 2020
Instructions
Please read the following instructions carefully before solving & submitting assignment:
It should be clear that your assignment will not get any credit if:
• The assignment is submitted after due date.
• The submitted assignment does not open or file is corrupt.
• The assignment is completely or partially copied from (other student or ditto copied from handouts or internet).
• Student ID is not mentioned in the assignment File or name of file is other than student ID.
• The assignment is not submitted in .rar format.
Submission details
Following files must be submitted in a single zip or rar file.
• Code files(.java files)
• A .gif file which shows working of your application (For Recording .gif a software named Screentogif is uploaded on LMS, or you can use any other gif recording tool as well)
Please note if you submit doc or txt file you will be awarded 0 marks. Make sure to write your own VU ID in the assignment file(s) otherwise assignment will not be accepted.
If you do not submit any of the above mentioned file 50% marks per file will be deducted.
Objective
The objective of this assignment is to give students an idea on how to implement Multithreading with Synchronization concepts in JAVA.
Lectures Covered: This assignment covers Lecture # 27-30
Problem Statement:
You are required to create a multithreaded console application in java having 4 classes which will calculate factorial of last 4 digits of your student id. These classes would be as follow:
Main class
Factorial Class having one method which will calculate factorial named printfactorial().
Thread1 class which extends from Thread Class
Thread2 class which also extends from Thread Class
Working:
Store last four digits of your student ID in a two separate classes. For example, if your ID is bc123456789 then store 67 in first Thread1 Class and 89 in Thread2 Class that will be passed to Factorial class later.
Thread1 class will pass 67 to the Factorial class and printfactorial() will print factorial of all the numbers from 1 to 67.
Thread2 class will pass 89to the Factorial class and printfactorial() will print factorial of all the numbers from 1 to 89.
You should use thread.sleep(10) after each calculation inside the loop.
As you know that you cannot store and print factorial of large numbers in simple integer or long type variables, so you are required to use BigInteger to store and print very long numbers.
printfactorial() method must be synchronized so that results of Thread1 is printed first then the result of Thread2 is calculated and printed.
Note: Proper exception handling code must be written where required.
Re: CS508 Assignment 2 Solution and Discussion
Assignment No. 02
Semester Spring 2020
CS508- Modern Programming Languages
Total Marks: 20
Due Date:12 June 2020
Instructions
Please read the following instructions carefully before solving & submitting assignment:
It should be clear that your assignment will not get any credit if:
• The assignment is submitted after due date.
• The submitted assignment does not open or file is corrupt.
• The assignment is completely or partially copied from (other student or ditto copied from handouts or internet).
• Student ID is not mentioned in the assignment File or name of file is other than student ID.
• The assignment is not submitted in .rar format.
Submission details
Following files must be submitted in a single zip or rar file.
• Code file(.adb file)
• A .gif file which shows working of your application (For Recording .gif a software named Screentogif is uploaded on LMS, or you can use any other gif recording tool as well)
Please note if you submit doc or txt file you will be awarded 0 marks. Make sure to write your own VU ID in the assignment file(s) otherwise assignment will not be accepted.
If you do not submit any of the above mentioned file 50% marks per file will be deducted.
Objective
The objective of this assignment is to give students idea on how to implement object oriented concepts in ADA.
Lectures Covered: This assignment covers Lecture # 13 – 17
You will develop Ada console application in GNAT IDE. You can also use any online compiler to compile Ada.
Problem Statement:
As you know that we cannot implement inheritance in Ada directly as there is no concept of class in Ada, we need to use a mix of tagged types and packages.
You are required to create a tagged type as person and then another as men, the tagged type men will inherit from person type.
The person type has following attributes:
• Name: String
• Age: Integer
• Gender: Boolean
Functions:
And also a function named print() [This function will print all three attributes of type person]
The tagged type men have following attributes
• Height: float
• ID: String
Functions:
This type will also have one function named print() which must print all the attributes of type men and person as well.
When application starts an instance of type men will be created and detail of men will be taken from user input and assigned to men type object after that the added details will be printed on the console screen.
Download the Compiler from Link
Extract the file snobol4.exe (e.g. I have extracted the file in desktop folder in my Z drive)
Download the sample code file from TEST.SNO VU-LMS (It is simple text file you can view and edit in
notepad)TEST.sno
Put the TEST.SNO in the same directory where snobol4.exe is
Enter the following command SNOBOL4 TEST /q; you will see the output of the program if there is
no error.
[image: KYnh1pL.png]
Re: CS508 Assignment No. 01 Solution and Discussion
Instructions
Please read the following instructions carefully before solving & submitting assignment:
It should be clear that your assignment will not get any credit if:
The assignment is submitted after due date.
The submitted assignment does not open or file is corrupt.
The assignment is completely or partially copied from (other student or ditto copied from handouts or internet).
Student ID is not mentioned in the assignment File or name of file is other than student ID.
The assignment is not submitted in .rar format.
Submission details
Following files must be submitted in a single zip or rar file.
Code file(.sno file)
A .gif file which shows working of your application (For Recording .gif a software named Screentogif is uploaded on LMS, or you can use any other gif recording tool as well)
Please note if you submit doc or txt file you will be awarded 0 marks. Make sure to write your own VU ID in the assignment file(s) otherwise assignment will not be accepted.
If you do not submit any of the above mentioned file 50% marks per file will be deducted.
Objective
The objective of this assignment is to give hands on practice on Snobol programming language.
Lectures Covered: This assignment covers Lecture # 1 - 9
You are required to create a Snobol Console Program.
You will use Snobol4 Compiler to compile Snobol code, if you are using a 64-bit operating system then Snobol4 compiler will not work directly you need to use DOSBox to run the compiler and compiler code.(Tutorial document has already been uploaded on Lms on how to compile code in DOSBox).
Please note that you cannot use any online compiler.
Problem Statement:
You need to create a console application in Snobol which will execute nested loop based on your student id.
Last four digits of your id will be used in both loops.
For example, if your id is bc120401122 then outer loop will execute 11 times and inner loop will execute 22 times.
First print your id on top of the console screen.
Then inside both loops print no of times the loop has executed.
You can hardcode your id in your code or take input from user.
Make sure to write your id on top of the program otherwise your assignment will not be accepted.
Re: CS508 GDB.1 Solution and Discussion
Question:
As you know C# and JAVA both are virtual machine based languages, Java’s virtual machine name is Java Virtual Machine (JVM) and C#.NET names it as Common Language Runtime (CLR).
Compare both virtual machines to check which one is better than other, write at least two valid reasons in either case to support your answer.
Please share idea solution.
Quiz No 2 Total Questions : 10
Please read the following instructions carefully!
Quiz will be based upon Multiple Choice Questions (MCQs).
You have to attempt the quiz online. You can start attempting the quiz any time within given date(s) of a particular subject by clicking the link for Quiz in VULMS.
Each question has a fixed time of 90 seconds. So you have to save your answer before 90 seconds. But due to unstable internet speeds, it is recommended that you should save your answer within 60 seconds. While attempting a question, keep an eye on the remaining time.
Attempting quiz is unidirectional. Once you move forward to the next question, you can not go back to the previous one. Therefore before moving to the next question, make sure that you have selected the best option.
DO NOT press Back Button / Backspace Button while attempting a question, otherwise you will lose that question.
DO NOT refresh the page unnecessarily, specially when following messages appear
Saving...
Question Timeout: Now loading next question...
Javascript MUST be enabled in your browser; otherwise you will not be able to attempt the quiz.
If for any reason, you lose access to internet (like power failure or disconnection of internet), you will be able to attempt the quiz again from the question next to the last shown question. But remember that you have to complete the quiz before expiry of the deadline.
If any student failed to attempt the quiz in given time then no re-take or offline quiz will be held.
Quiz No 3 Total Questions : 10
Please read the following instructions carefully!
Quiz will be based upon Multiple Choice Questions (MCQs).
You have to attempt the quiz online. You can start attempting the quiz any time within given date(s) of a particular subject by clicking the link for Quiz in VULMS.
Each question has a fixed time of 90 seconds. So you have to save your answer before 90 seconds. But due to unstable internet speeds, it is recommended that you should save your answer within 60 seconds. While attempting a question, keep an eye on the remaining time.
Attempting quiz is unidirectional. Once you move forward to the next question, you can not go back to the previous one. Therefore before moving to the next question, make sure that you have selected the best option.
DO NOT press Back Button / Backspace Button while attempting a question, otherwise you will lose that question.
DO NOT refresh the page unnecessarily, specially when following messages appear
Saving…
Question Timeout: Now loading next question…
Javascript MUST be enabled in your browser; otherwise you will not be able to attempt the quiz.
If for any reason, you lose access to internet (like power failure or disconnection of internet), you will be able to attempt the quiz again from the question next to the last shown question. But remember that you have to complete the quiz before expiry of the deadline.
If any student failed to attempt the quiz in given time then no re-take or offline quiz will be held.
Start Quiz
Assignment No. 03
Semester Fall 2019
CS508 - Modern Programming Languages
Total Marks: 20
Due Date:16 January 2020
Instructions
Please read the following instructions carefully before solving & submitting assignment:
It should be clear that your assignment will not get any credit if:
• The assignment is submitted after due date.
• The submitted assignment does not open or file is corrupt.
• The assignment is completely or partially copied from (other student, handouts or internet).
• Student ID is not mentioned in the assignment File or name of file is other than student ID.
• The assignment is not submitted in .rar format.
Submission details
Following Files Must be submitted in a single .zip or .rar file.
• Code file(s) .java file only
• A .gif file which shows working of your Application (For Recording .gif a software named Screentogif is uploaded on LMS, or you can use any other gif recording tool as well)
You are not required to submit the complete project, only copy these files from project folder. Please note if you submit doc or txt file you will be awarded 0 marks. Make sure to write your own VU ID in the assignment file(s) otherwise assignment will not be accepted.
If you do not submit any of the above mentioned file 50% marks per file will be deducted.
Objective
The objective of this assignment is to give hands on practice on Java programming language.
Lectures Covered: This assignment covers Lecture # 27 – 31
Problem Statement:
You are required to create a multithreaded java console application which will read a text file and write processed output in another text file.
• The program will be able to read the text file provided named input.txt using a separate thread.
• Calculate the number of characters in the file as per your student id.
• Last number of your student id is the character your program will calculate from the given list below.
Last Number in ID
Character to calculate
Last Number in ID
Character to calculate
0
!
5
&
1
@
6
(
2
#
7
)
3
$
8
_(Underscore)
4
%
9
=
• Output the result on the screen.
• Create a new thread which will create an output file and store the result in that file.
Output.gif has been attached with this Assignment file please observe this file carefully your program’s output must be like this output file.
Assignment No 3.docx
[image: ky8CGqy.gif]
inputFile.txt
Assignment No. 02
Semester Fall 2019
CS508- Modern Programming Languages
Total Marks: 20
Due Date:29 November 2019
Instructions
Please read the following instructions carefully before solving & submitting assignment:
It should be clear that your assignment will not get any credit if:
• The assignment is submitted after due date.
• The submitted assignment does not open or file is corrupt.
• The assignment is completely or partially copied from (other student or ditto copied from handouts or internet).
• Student ID is not mentioned in the assignment File or name of file is other than student ID.
• The assignment is not submitted in .rar format.
Submission details
Following files must be submitted in a single zip or rar file.
• Code file(s)
• A .gif file which shows working of your application (For Recording .gif a software named Screentogif is uploaded on LMS, or you can use any other gif recording tool as well)
You are not required to submit the complete project, only copy these files from project folder. Please note if you submit doc or txt file you will be awarded 0 marks. Make sure to write your own VU ID in the assignment file(s) otherwise assignment will not be accepted.
If you do not submit any of the above mentioned file 50% marks per file will be deducted.
Objective
The objective of this assignment is to give hands on practice on Ada programming language.
Lectures Covered: This assignment covers Lecture # 13 – 15
Output.gif has been attached with this Assignment file please observe this file carefully your program’s output must be like this output file.
You are required to create an Ada Console Program using GNAT.
Problem Statement:
Create an Ada program which will read a text file and print all the data on the console.
• Create a text file named as StudentID.txt.
• Add Name, Student ID and semester in the text file.
• The program will print all the data line by line on the console.
• If the file is not found then appropriate error must be printed.
• If the file is found but no data exist inside the file then “no data inside file” must be printed.
Make sure to write your id on top of the program otherwise your assignment will not be accepted.
[image: Cnvg9D9.gif]
Please read the following instructions carefully!
Quiz will be based upon Multiple Choice Questions (MCQs).
You have to attempt the quiz online. You can start attempting the quiz any time within given date(s) of a particular subject by clicking the link for Quiz in VULMS.
Each question has a fixed time of 90 seconds. So you have to save your answer before 90 seconds. But due to unstable internet speeds, it is recommended that you should save your answer within 60 seconds. While attempting a question, keep an eye on the remaining time.
Attempting quiz is unidirectional. Once you move forward to the next question, you can not go back to the previous one. Therefore before moving to the next question, make sure that you have selected the best option.
DO NOT press Back Button / Backspace Button while attempting a question, otherwise you will lose that question.
DO NOT refresh the page unnecessarily, specially when following messages appear
Saving…
Question Timeout: Now loading next question…
Javascript MUST be enabled in your browser; otherwise you will not be able to attempt the quiz.
If for any reason, you lose access to internet (like power failure or disconnection of internet), you will be able to attempt the quiz again from the question next to the last shown question. But remember that you have to complete the quiz before expiry of the deadline.
If any student failed to attempt the quiz in given time then no re-take or offline quiz will be held.
Assignment No. 01
Semester Spring 2019
CS508- Modern Programming Languages
Total Marks: 20
Due Date: May 14, 2019
Instructions
Please read the following instructions carefully before solving & submitting assignment:
It should be clear that your assignment will not get any credit if:
• The assignment is submitted after due date.
• The submitted assignment does not open or file is corrupt.
• The assignment is completely or partially copied from (other student or ditto copied from handouts or internet).
• Student ID is not mentioned in the assignment File or name of file is other than student ID.
• The assignment is not submitted in .doc or .docx format.
Uploading instructions
Your submission must include:
• Assignment should be in .doc or .docx format.
• Save your assignment with your ID (e.g. bx180200786.doc).
Assignment submission through email is NOT acceptable
Objective
The objective of this assignment is to learn how we can evaluate different programming languages based on syntax.
Note:
Your answer must follow the below given specifications.
• Font style: “Times New Roman”
• Font color: “Black”
• Font size: “12”
• Bold for heading only.
• Font in Italic is not allowed at all.
• Your answer should be precise and to the point, avoid irrelevant detail.
Lectures Covered: This assignment covers Lecture # 01 – 07
Deadline
Your assignment must be uploaded/submitted at or before May 14, 2019.
Q1.(8 Marks)
SR No
Language Name
For loop Syntax
1
JAVA
for(int i=1;i<11;i++){ System.out.println(i);
}
2
Python
for x in range(1,11):
print(x)
3
Kotlin
for (i in 1..10) {
println(i)
}
4
Swift
for i in 1...10 {
print(i)
}
Given below is for loop syntax to ‘print 1 to 10 numbers’ in 4 different Programming languages:
You are required to calculate points of each language on the basis of following aspects:
Readability
Reliability
Cost/Programming effort
You have total 30 points for each language.10 points for each aspect based on your opinion.
Scale: 1 point lowest and 10 highest
Q2.(12 Marks):
Now explain each point according to winning language in each category for example if python has higher points in Readability then explain why this language has higher points in this section as compared to other languages given above. If there is a tie in 2 languages in the same category then explain both.
Note: Only consider the code of each language which is written above while calculating the points.
Compare both virtual machines to check which one is better than other, write at least two valid reasons in either case to support your answer.
CS508 - Modern Programming Languages
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Re: CS508 GDB.1 Solution and Discussion
Question:
As you know C# and JAVA both are virtual machine based languages, Java’s virtual machine name is Java Virtual Machine (JVM) and C#.NET names it as Common Language Runtime (CLR).Compare both virtual machines to check which one is better than other, write at least two valid reasons in either case to support your answer.
Please share idea solution.
-
A virtual machine (VM) is a virtual emulation of a computer operating system. Beyond that, though, there are two different implementations of this kind of system abstraction.
System virtual machines exist as fully-functional operating systems and are typically created as a substitute for using a physical machine.
The Common Language Runtime (CLR) and Java Virtual Machine (JVM) are both process virtual machines.
Top similarities between the CLR and JVM include:
Both Virtual Machines (VMs) Both include garbage collection Both employ stack-based operations Both include runtime-level security Both have methods for exception handlingTop differences between the CLR and JVM include:
CLR was designed to be language-neutral, JVM was designed to be Java-specific CLR was originally only Windows-compatible, JVM works with all major OSs CLR uses a JIT compiler, JVM uses a specialized JIT compiler called Java HotSpot CLR includes instructions for closures, coroutines and declaration/manipulation of pointers, the JVM does not JVM is compatible with more robust error resolution and production monitoring toolsThe CLR and JVM are both virtual machines and they both perform platform-independent operations, namely, executing compiled source code. Essentially, these virtual machines both act as an intermediary step between the programmer’s source code and the system’s machine code, allowing for greater usability by various types of processors. In the image below, you can see how the high-level functions of the two are practically identical.
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Java was originally developed by James Gosling at Sun Microsystem. Much of Java’s syntax is derived from C++, which is also class-based and Object-Oriented. Java is being shipped in the form of JDK (Java Development Kit), which includes various components that are required to run a java program, however, not all the components of JDK are mandatory to run Java. The latest version is Java 10, released in March 2018.
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The source code once written in Java can be run on any platform, which is one of the biggest benefits. It is just that appropriate JRE must be installed on a required operating system which can be downloaded from Java’s official website. Java is portable, means a program written for any platform must run similarly on a combination of hardware and operating system.
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A compiler would convert Java source code to bytecode, and JVM (Java Virtual Machine) which is created inside JRE (Java Runtime Environment) would convert bytecode to machine code. Java has extensive support for concurrency, networking, and GUI (Graphic User Interface).
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C# was developed by Microsoft with its .NET initiative, with a development team led by Anders Hejlsberg. The latest version of C# is 7.2, which was released in 2017 along with visual studio 2017 version 15.5. So, it makes an excellent choice for any programmer who wishes to do web and game development. There are various cross-platform tools available that allow applications written in C# which can be used over mobile and desktop.
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C# comes along with multiple features, thus it can be easily learned. Many complex tasks are abstracted away by the language, so one does not have to worry about issues like memory management and garbage collection while developing logic for application or game. It is a high-level language that is easier to read.
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C# is a statically-typed language, so written source code is thoroughly checked before it turns into an application. C# is a complex language to learn and mastering it can take more time than a language like Python. One wishes to build advanced programs with C#, need to learn a substantial amount of code. It has grown quickly since it was first created, with extensive support from Microsoft.
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Head to Head Comparison Between Java vs C# (Infographics)
Below is the list of points that explain the key differences between Java vs C# performance
- Java is a great option for building complex web-based, highly concurrent application whereas C# is ideal for game development, mobile development.
- Java requires Java Development Kit which includes Java compiler and runs time environment to run Java on any machine whereas C# libraries are being shipped with a .NET framework with IDE like Visual Studio.
- Source code written in Java is compiled into bytecode and then bytecode is converted to machine code, ready to run on any platform whereas with C#, a code is interpreted into bytecode (MSIL) which is compiled by CLR and JIT compiler will convert MSIL into native machine code.
- Java is designed to execute on JRE (Java Runtime Environment), whereas C# is designed to execute on CLR (Common Language Runtime).
- Java is heavily used for building a complex application in an open source ecosystem whereas C# is mostly used to develop an application for Microsoft platforms.
- Java provides a clear difference between Checked and Unchecked exceptions whereas C# approach is minimalistic in nature by choosing only one type of exception.
- Java enables the polymorphism by default whereas with C#, one must invoke the “virtual” keyword in base-class and “override” keyword in a derived class.
- Java library ecosystem is vast and well documented which further assist in developing functionality at a decent pace whereas C# libraries work within the Microsoft ecosystem, which is limited as compared to Java.
- Java has traditionally a huge community providing open source libraries, so any need can be fulfilled with the libraries whereas free quality libraries support from Microsoft community is a downside for C#.
- Generic feature support in Java is compiler-assisted, implemented using erasures whereas C# takes generics further by integrating them into the CLI and allow type information to be available at runtime.
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Looking at these VMs at the highest-level, the differences between the CLR and JVM seem almost negligible. However, in many (if not most) cases, the differences at the VM-level mirror the key differences between the languages that use them. Because of the way these VMs, and their corresponding languages, were built, each functions slightly differently in order to provide the functional capabilities that their creators wanted to provide.
What do you think about the differences between the CLR and JVM? Will you choose your next programming language based on which VM it uses? Let us know in the comments below!
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