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Programming & Software Q&A | CollectiveSolver
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Welcome to collectivesolver - Programming & Software Q&A with code examples. A website with trusted programming answers. All programs are tested and work.
Contact: aviboots(AT)netvision.net.il
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Recent questions tagged kotlin
43,835
questions
57,202
answers
573
users
Recent questions tagged kotlin
1
answer
201
views
How to convert a Roman number to an integer in Kotlin
asked
Dec 3, 2025
by
avibootz
kotlin
kotlin-roman-integer
roman-integer
1
answer
175
views
How to format an array of strings in lines with maxWidth without breaking the words in Kotlin
asked
Dec 2, 2025
by
avibootz
kotlin
kotlin-format-array-strings-lines-maxwidth
format-array-strings-lines-maxwidth
1
answer
183
views
How to convert an integer to Roman numerals in Kotlin
asked
Dec 2, 2025
by
avibootz
kotlin
kotlin-integer-roman-numerals
integer-roman-numerals
1
answer
200
views
How to check if the last index of an array is reachable by jumping based on element values from index 0 in Kotlin
asked
Dec 1, 2025
by
avibootz
kotlin
kotlin-last-index-array-jumping-by-elements-value
last-index-array-jumping-by-elements-value
1
answer
145
views
How to merge two sorted lists in Kotlin
asked
Nov 30, 2025
by
avibootz
kotlin
kotlin-merge-two-sorted-lists
merge-two-sorted-lists
1
answer
188
views
How to find two prime numbers that, when concatenated, form another prime number in Kotlin
asked
Nov 28, 2025
by
avibootz
kotlin
kotlin-prime-concatenate
prime-concatenate
1
answer
160
views
How to generate an N-digit integer random number in Kotlin
asked
Nov 27, 2025
by
avibootz
kotlin
kotlin-n-digit-integer-random
n-digit-integer-random
1
answer
153
views
How to select random two digits from anywhere in a number with Kotlin
asked
Nov 26, 2025
by
avibootz
kotlin
kotlin-random-two-anywhere-digits
random-two-anywhere-digits
1
answer
156
views
How to select random two consecutive digits from a number in Kotlin
asked
Nov 26, 2025
by
avibootz
kotlin
kotlin-random-two-consecutive-digits
random-two-consecutive-digits
1
answer
164
views
How to convert a degree to a compass direction in Kotlin
asked
Nov 24, 2025
by
avibootz
kotlin
kotlin-degree-compass-direction
degree-compass-direction
1
answer
162
views
How to inverse N x M matrix in Kotlin
asked
Nov 23, 2025
by
avibootz
kotlin
kotlin-inverse-matrix
inverse-matrix
1
answer
162
views
How to calculate the sum of all Fibonacci numbers between two left and right indices in Kotlin
asked
Nov 23, 2025
by
avibootz
kotlin
kotlin-sum-fibonacci-numbers
sum-fibonacci-numbers
1
answer
159
views
How to initialize a matrix with random characters in Kotlin
asked
Nov 22, 2025
by
avibootz
kotlin
kotlin-matrix-random-characters
matrix-random-characters
1
answer
159
views
How to create an M x N matrix with random numbers in Kotlin
asked
Nov 22, 2025
by
avibootz
kotlin
kotlin-matrix-random-numbers
matrix-random-numbers
1
answer
170
views
How to generate all possible permutations and combinations of an array of chars in Kotlin
asked
Nov 22, 2025
by
avibootz
kotlin
kotlin-array-all-permutations-combinations
all-permutations-combinations
1
answer
188
views
How to find the first 4-digit prime number where all digits are unique in Kotlin
asked
Nov 21, 2025
by
avibootz
kotlin
kotlin-4-digit-prime-unique
4-digit-prime-unique
1
answer
198
views
How to generate a random integer from a range [0, N] that is not in a unique integer list with Kotlin
asked
Nov 19, 2025
by
avibootz
kotlin
kotlin-random
kotlin-random-excluding-list
random-excluding-list
1
answer
172
views
How to replace all occurrences of a specific digit in a floating-point number with Kotlin
asked
Nov 18, 2025
by
avibootz
kotlin
kotlin-replace-all-occurrences-digit-float
replace-all-occurrences-digit-float
1
answer
172
views
How to calculate an angle of a right triangle given opposite and hypotenuse in Kotlin
asked
Nov 18, 2025
by
avibootz
kotlin
kotlin-right-triangle-angle
right-triangle-angle
1
answer
198
views
How to replace a digit in a floating-point number by index with Kotlin
asked
Nov 17, 2025
by
avibootz
kotlin
kotlin-replace-digit-float
replace-digit-float
1
answer
164
views
How to check whether each substring range (L to R) from an array of substring ranges is a palindrome in Kotlin
asked
Nov 17, 2025
by
avibootz
kotlin
kotlin-substring-range-palindrome
substring-range-palindrome
1
answer
181
views
How to convert a list of strings and group all the anagrams into sublists in Kotlin
asked
Nov 15, 2025
by
avibootz
kotlin
kotlin-list-anagram
group-anagrams
1
answer
197
views
How to get all the substrings with exactly k distinct characters from a given string in Kotlin
asked
Nov 14, 2025
by
avibootz
kotlin
kotlin-substring
kotlin-string
substrings-with-k-distinct-characters
1
answer
166
views
How to check if two strings are anagram (same letters different words) in Kotlin
asked
Nov 13, 2025
by
avibootz
kotlin
kotlin-string-anagram
string-anagram
1
answer
222
views
How to find the Kth smallest number in an unsorted list with Kotlin
asked
Nov 12, 2025
by
avibootz
kotlin
kotlin-find-list
kotlin-find-k-smallest-number-unsorted-list
find-k-smallest-number-unsorted-list
1
answer
189
views
How to find a list of numbers up to a limit that is a palindrome in base 10 and base 2 in Kotlin
asked
Nov 11, 2025
by
avibootz
kotlin
kotlin-bouble-base-palindrome
1
answer
158
views
How to check if a number is circular prime (cyclically rotate left will also be prime) in Kotlin
asked
Nov 10, 2025
by
avibootz
kotlin
kotlin-circular-prime
1
answer
185
views
How to find all the numbers that are equal to the sum of the factorials of their digits in Kotlin
asked
Nov 10, 2025
by
avibootz
kotlin
kotlin-numbers
kotlin-factorials
1
answer
161
views
How to find the numbers that are the sum of fifth powers of their digits in Kotlin
asked
Nov 9, 2025
by
avibootz
kotlin
kotlin-numbers
kotlin-fifth-power
1
answer
225
views
How to find the floor and ceiling of the value N in an unsorted list with Kotlin
asked
Nov 8, 2025
by
avibootz
kotlin
kotlin-list
kotlin-ceil
kotlin-floor
1
answer
171
views
How to find the longest increasing not sorted subsequence (LIS) of a sequence of numbers in Kotlin
asked
Nov 7, 2025
by
avibootz
kotlin
kotlin-subsequence
1
answer
171
views
How to write a recursive function to generate all permutations of a string in Kotlin
asked
Nov 6, 2025
by
avibootz
kotlin
kotlin-recursion
1
answer
189
views
How to set specific bits and find the set bits indexes in Kotlin
asked
Nov 4, 2025
by
avibootz
kotlin
kotlin-bits
1
answer
203
views
How to generate random floating point numbers in Kotlin
asked
Nov 3, 2025
by
avibootz
kotlin
kotlin-generate-random-floating-point-numbers
generate-random-floating-point-numbers
1
answer
164
views
How to pass a nested case class (struct-like object) to a function in Kotlin
asked
Nov 1, 2025
by
avibootz
kotlin
kotlin-case-class
kotlin-struct
1
answer
179
views
How to pass a case class (struct-like object) to a function in Kotlin
asked
Nov 1, 2025
by
avibootz
kotlin
kotlin-struct
kotlin-case-class
1
answer
175
views
How to round a number to the nearest power of 2 in Kotlin
asked
Oct 31, 2025
by
avibootz
kotlin
kotlin-round
1
answer
176
views
How to round a number to the previous power of 2 in Kotlin
asked
Oct 30, 2025
by
avibootz
kotlin
kotlin-round
1
answer
174
views
How to round a number to the next power of 2 in Kotlin
asked
Oct 29, 2025
by
avibootz
kotlin
kotlin-round
1
answer
171
views
How to check if a word is all uppercase or lowercase or capitalized in Kotlin
asked
Oct 28, 2025
by
avibootz
kotlin
kotlin-word
1
answer
162
views
How to swap all odd and even bits in Kotlin
asked
Oct 26, 2025
by
avibootz
kotlin
kotlin-bits
1
answer
196
views
How to rotate list elements left N times in Kotlin
asked
Oct 23, 2025
by
avibootz
kotlin
kotlin-list
1
answer
148
views
How to find the digit previous to a given digit in a number with Kotlin
asked
Oct 22, 2025
by
avibootz
kotlin
kotlin-digits
1
answer
146
views
How to find the digit next to a given digit in a number with Kotlin
asked
Oct 19, 2025
by
avibootz
kotlin
kotlin-digits
1
answer
187
views
How to add a range of elements of a list to another list at a specific position in Kotlin
asked
Oct 17, 2025
by
avibootz
kotlin
kotlin-list
kotlin-range
1
answer
179
views
How to add a range of elements of a list to another list in Kotlin
asked
Oct 17, 2025
by
avibootz
kotlin
kotlin-list
kotlin-range
1
answer
161
views
How to resize a list in Kotlin
asked
Oct 14, 2025
by
avibootz
kotlin
kotlin-list
kotlin-resize
2
answers
247
views
How to resize an array in Kotlin
asked
Oct 14, 2025
by
avibootz
kotlin
kotlin-array
kotlin-resize
1
answer
151
views
How to calculate the Euclidean distance between two points in Kotlin
asked
Oct 13, 2025
by
avibootz
kotlin
kotlin-euclidean-distance
1
answer
180
views
How to group elements of an array based on their first occurrence in Kotlin
asked
Oct 11, 2025
by
avibootz
kotlin
kotlin-array
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