Ruby interview questions part 1
Ruby interview questions part 1
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Ruby was designed and developed by who and in what year?
Correct Answer is : Yukihiro Matsumoto in 1993
2. $LOAD_PATH is used to
Correct Answer is : Make Ruby aware that included files must be searched in the current directory
3. Which of the following is not a feature of object-oriented programming language?
Correct Answer is : Morphism
4. The blueprint from which individual objects are created is
Correct Answer is : A class
5. Which of the following variables are not available across classes?
Correct Answer is : Global variables
6. Arrays can be used to store multiple values in one single variable.
Correct Answer is : TRUE
7. What will be output of the given code? my_array = [1, 2, 3, 4] print my_array
Correct Answer is : [1, 2, 3, 4].
8. Each element in an array has an index and the starting index is index 1.
Correct Answer is : FALSE
9. What will be the output of the following? array = [100, 200, 300, 400, 500] print array[4]
Correct Answer is : 500
10. What will be the output of the following? array = [100, 200, 300, 400, 500] print array[5]
Correct Answer is : Nil
11. What will be the output of the following? array = [100, 200, 300, 400, 500] print "array[5]"
Correct Answer is : array[5].
12. What will be the output of the following? array1 = [100, 200, 300, 400, 500] array2 = [1,2,3,4,5] if array1 == array2 print "They are equal" else print "Not equal" end
Correct Answer is : Not equal
13. What will be the output of the following? array1 = [0,0,0] array2 = [0,0,0] if array1 == array2 print "They are equal" else print "Not equal" end
Correct Answer is : They are equal
14. What will be the output of the following? array1 = [1,2,3] array2 = [0,0,0] if array1 >= array2 print "Greater or equal" else print "Not equal" end
Correct Answer is : Error
15. What will be the output of the following? array1 = [1,2,3] array2 = [0,0,0] if array1 == array2 print "Equal" else print "Not equal" end
Correct Answer is : Equal
16. Array of arrays are called multidimensional arrays.
Correct Answer is : TRUE
17. Array of arrays are called multidimensional arrays.
Correct Answer is : TRUE
18. What is the output of the given code? multi_d_array = [[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0]] print multi_d_array
Correct Answer is : [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]].
19. What is the output of the given code? multi_d_array = [[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0]] print multi_d_array
Correct Answer is : [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]].
20. What is the output of the given code? multi_d_array = [[1,2,3,4],[0,0,0,0]] multi_d_array.each { |x| puts "#{x}\n" }
Correct Answer is : [1, 2, 3, 4].
