SARL Basic

• 1. Exercise 1
• 2. Exercise 2
• 3. Exercise 3
• 4. Exercise 4
• 5. Exercise 5
• 6. Exercise 6
• 7. Exercise 7
• 8. Exercise 8
• 9. Exercise 9
• 10. Exercise 10
• 11. Exercise 11
• 12. Exercise 12
• 13. Exercise 13
• 14. Exercise 14
• 15. Exercise 15
• 16. Exercise 16
• 17. Exercise 17
• 18. Exercise 18
• 19. Exercise 19
• 20. Exercise 20
• 21. Exercise 21
• 22. Exercise 22
• 23. Exercise 23
• 24. Exercise 24
• 25. Exercise 25
• 26. Exercise 26
• 27. Exercise 27
• 28. Exercise 28
• 29. Exercise 29
• 30. Exercise 30
• 31. Exercise 31
• 32. Exercise 32
• 33. Exercise 33
• 34. Exercise 34
• 35. Exercise 35
• 36. Exercise 36
• 37. Exercise 37
• 38. Exercise 38
• 39. Exercise 39
• 40. Exercise 40
• 41. Exercise 41
• 42. Exercise 42
• 43. Exercise 43
• 44. Exercise 44
• 45. Exercise 45
• 46. Exercise 46
• 47. Exercise 47
• 48. Exercise 48
• 49. Exercise 49
• 50. Exercise 50
• 51. Exercise 51
• 52. Exercise 52
• 53. Exercise 53
• 54. Exercise 54
• 55. Exercise 55
• 56. Exercise 56
• 57. Exercise 57
• 58. Exercise 58
• 59. Exercise 59
• 60. Legal Notice

Note If you don’t know how to solve an problem, or what is the function to be used, you could search on Internet for the answer using the API of the Java programming language. Indeed, since SARL is fully compatible with the Java API, you could use all the types or functions that are defined in this Java API.

1. Exercise 1

Write a SARL program to print the following string in a specific format (see the output).

• Sample String: Twinkle, twinkle, little star, How I wonder what you are! Up above the world so high, Like a diamond in the sky. Twinkle, twinkle, little star, How I wonder what you are
• Output:

Twinkle, twinkle, little star,
	How I wonder what you are! 
		Up above the world so high,   		
		Like a diamond in the sky. 
Twinkle, twinkle, little star, 
	How I wonder what you are

Solution

2. Exercise 2

Write a SARL program to display the current date and time.

• Sample Output :

Current date and time:
2014-07-05 14:34:14

Solution

3. Exercise 3

Write a SARL program that calculates the area of a circle based on the radius entered by the user from the command line when your are launching the agent.

• Sample Output:

r = 1.1
Area = 3.8013271108436504

Solution

4. Exercise 4

Write a SARL program that accepts the user’s first and last name as inputs from the command line, and prints them in reverse order with a space between them.

Solution

5. Exercise 5

Write a SARL program that accepts a sequence of comma-separated numbers from the command line and generates a list of those numbers.

• Sample data: 3, 5, 7, 23
• Output:

List : ['3', ' 5', ' 7', ' 23']

Solution

6. Exercise 6

Write a SARL program that accepts a filename from the command line, and prints the extension of the file.

• Sample filename: abc.sarl
• Output: sarl

Solution

7. Exercise 7

Write a SARL program to display the first and last colors from the following list.

color_list = ["Red","Green","White" ,"Black"]

Solution

8. Exercise 8

Write a SARL program that accepts an integer (n) on the command line and computes the value of n+nn+nnn.

• Sample value of n is 5
• Expected Result : 615

Solution

9. Exercise 9

Write a SARL program that prints the calendar for a given month and year.

• Note: Use ‘GregorianCalendar’ java type.

Solution

10. Exercise 10

Write a SARL program to calculate the number of days between two dates.

• Sample dates: (2014, 7, 2), (2014, 7, 11)
• Expected output : 9 days

Solution

11. Exercise 11

Write a SARL program to get the volume of a sphere with radius six.

Solution

12. Exercise 12

Write a SARL program to calculate the difference between a given number and 17. If the number is greater than 17, return twice the absolute difference.

Solution

13. Exercise 13

Write a SARL program to test whether a number is within 100 of 1000 or 2000.

Solution

14. Exercise 14

Write a SARL program to calculate the sum of three given numbers, that are provided on the command line. If the values are equal, return three times their sum.

Solution

15. Exercise 15

Write a SARL program to get a newly-generated string from a given string where Is has been added to the front. Return the string unchanged if the given string already begins with Is.

Solution

16. Exercise 16

Write a SARL program that returns a string that is n (non-negative integer) copies of a given string (from the command line).

Solution

17. Exercise 17

Write a SARL program that determines whether a given number (accepted from the command line) is even or odd, and prints an appropriate message to the user.

Solution

18. Exercise 18

Write a SARL program to count the number 4 in a given list, provided on the command line.

Solution

19. Exercise 19

Write a SARL program to get n (non-negative integer) copies of the first 2 characters of a given string (from the command line). Return n copies of the whole string if the length is less than 2.

Solution

20. Exercise 20

Write a SARL program to test whether a passed letter from the command line is a vowel or not.

Solution

21. Exercise 21

Write a SARL program that checks whether a specified value is contained within a group of values.

• Test Data:

3 -> [1, 5, 8, 3] : True
-1 -> [1, 5, 8, 3] : False

Solution

22. Exercise 22

Write a SARL program that concatenates all elements in a list into a string and returns it.

Solution

23. Exercise 23

Write a SARL program to print all even numbers from a given list of numbers in the same order and stop printing any after 237 in the sequence.

• Sample numbers list:

numbers = [    
    386, 462, 47, 418, 907, 344, 236, 375, 823, 566, 597, 978, 328, 615, 953, 345, 
    399, 162, 758, 219, 918, 237, 412, 566, 826, 248, 866, 950, 626, 949, 687, 217, 
    815, 67, 104, 58, 512, 24, 892, 894, 767, 553, 81, 379, 843, 831, 445, 742, 717, 
    958,743, 527
    ]

Solution

24. Exercise 24

Write a SARL program that prints out all colors from color_list_1 that are not present in color_list_2.

• Test Data:

color_list_1 = set(["White", "Black", "Red"])
color_list_2 = set(["Red", "Green"])

• Expected Output:

{'Black', 'White'}

Solution

25. Exercise 25

Write a SARL program that will accept the base and height of a triangle and compute its area.

Solution

26. Exercise 26

Write a SARL program that computes the greatest common divisor (GCD) of two positive integers.

Solution

27. Exercise 27

Write a SARL program to find the least common multiple (LCM) of two positive integers.

Solution

28. Exercise 28

Write a SARL program to sum three given integers. However, if two values are equal, the sum will be zero.

Solution

29. Exercise 29

Write a SARL program to sum two given integers. However, if the sum is between 15 and 20 it will return 20.

Solution

30. Exercise 30

Write a SARL program that returns true if the two given integer values are equal or their sum or difference is 5.

Solution

31. Exercise 31

Write a SARL program to add two objects if both objects are integers.

Solution

32. Exercise 32

Write a SARL program to solve (x + y) * (x + y).

• Test Data: x = 4, y = 3
• Expected Output: (4 + 3) ^ 2 = 49

Solution

33. Exercise 33

Write a SARL program to calculate the distance between the points (x1, y1) and (x2, y2).

Solution

34. Exercise 34

Write a SARL program to check whether a file exists, when the name of the file is provided from the command line. Use the Java API.

Solution

35. Exercise 35

Write a SARL program to parse a string to float or integer.

Solution

36. Exercise 36

Write a SARL program to list all files in a directory.

Solution

37. Exercise 37

Write a SARL program to print a message provided from the command line without a newline or space.

Solution

38. Exercise 38

Write a SARL program to print to STDERR (standard error output of the process).

Solution

39. Exercise 39

Write a SARL program to access environment variables.

Solution

40. Exercise 40

Write a SARL program to get the current username.

Solution

41. Exercise 41

Write a SARL program to sum the first n positive integers.

Solution

42. Exercise 42

Write a SARL program to convert height (in feet and inches) to centimeters, when the value is provided from the command line.

Solution

43. Exercise 43

Write a SARL program to calculate the hypotenuse of a right angled triangle.

Solution

44. Exercise 44

Write a SARL program to convert all units of time into seconds.

Solution

45. Exercise 45

Write a SARL program to get an absolute file path from a name that is provided on the command line.

Solution

46. Exercise 46

Write a SARL program that converts seconds into days, hours, minutes, and seconds.

Solution

47. Exercise 47

Write a SARL program to calculate the body mass index.

Solution

48. Exercise 48

Write a SARL program to convert pressure in kilopascals to pounds per square inch, a millimeter of mercury (mmHg) and atmosphere pressure.

Solution

49. Exercise 49

Write a SARL program to calculate sum of digits, from a string of characters, of a number.

Solution

50. Exercise 50

Write a SARL program to sort three integers without using conditional statements and loops.

Solution

51. Exercise 51

Write a SARL program to concatenate N strings.

Solution

52. Exercise 52

Write a SARL program to calculate the sum of all items of a container (array, list, set).

Solution

53. Exercise 53

Write a SARL program to test whether all numbers in a list, provided on the command line, are greater than a certain number, provided also on command line.

Solution

54. Exercise 54

Write a SARL program to count the number of occurrences of a specific character in a string.

Solution

55. Exercise 55

Write a SARL program to check whether a file path, provided on the command line, is a file or a directory.

Solution

56. Exercise 56

Write a SARL program to swap two variables.

Solution

57. Exercise 57

Write a SARL program to check whether a string is numeric.

Solution

58. Exercise 58

Write a SARL program to prove that two string variables of the same value point to the same memory location.

Solution

59. Exercise 59

Write a SARL program to determine the largest and smallest integers, longs, and floats.

Solution

60. Legal Notice

• Specification: SARL General-purpose Agent-Oriented Programming Language (“Specification”)
• Version: 0.14
• Status: Draft Release
• Release: 2023-09-26

Copyright © 2014-2023 SARL.io, the Original Authors and Main Authors.

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