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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
155
views
How to move a word to the end of a string in Kotlin
asked
Feb 5
by
avibootz
kotlin
kotlin-move-word-to-end-of-string
move-word-to-end-of-string
1
answer
148
views
How to multiply every N consecutive items in a list with Kotlin
asked
Feb 2
by
avibootz
kotlin
kotlin-multiply-every-n-of-consecutive-items-in-list
multiply-every-n-of-consecutive-items-in-list
1
answer
167
views
How to create a list of dates between a start and end date in Kotlin
asked
Jan 31
by
avibootz
kotlin
kotlin-create-list-of-dates
create-list-of-dates
1
answer
140
views
How to find the number occurring an odd number of times in a list with Kotlin
asked
Jan 30
by
avibootz
kotlin
kotlin-find-number-occurring-odd-number-of-times-in-list
find-number-occurring-odd-number-of-times-in-list
1
answer
141
views
How to sort a list of data classes by multiple columns in Kotlin
asked
Jan 29
by
avibootz
kotlin
kotlin-sort-list-of-data-classes-by-multiple-columns
sort-list-of-data-classes-by-multiple-columns
1
answer
156
views
How to generate non‑overlapping random ranges (start,end),(start,end) in Kotlin
asked
Jan 28
by
avibootz
kotlin
kotlin-generate-non-overlapping-random-ranges
generate-non-overlapping-random-ranges
1
answer
158
views
How to merge overlapping ranges (start,end),(start,end) in Kotlin
asked
Jan 26
by
avibootz
kotlin
kotlin-merge-overlapping-ranges
merge-overlapping-ranges
1
answer
160
views
How to combine two nested lists by summing element‑by‑element in Kotlin
asked
Jan 25
by
avibootz
kotlin
kotlin-combine-two-nested-lists-by-summing-element-by-element
combine-two-nested-lists-by-summing-element-by-element
1
answer
150
views
How to zip two nested lists (combine corresponding inner lists) in Kotlin
asked
Jan 25
by
avibootz
kotlin
kotlin-zip-two-nested-lists-combine-corresponding-inner-lists
zip-two-nested-lists-combine-corresponding-inner-lists
1
answer
160
views
How to merge and flatten two nested lists in Kotlin
asked
Jan 25
by
avibootz
kotlin
kotlin-merge-flatten-two-nested-lists
merge-flatten-two-nested-lists
1
answer
140
views
How to merge two nested lists in Kotlin
asked
Jan 25
by
avibootz
kotlin
kotlin-merge-two-nested-lists
merge-two-nested-lists
1
answer
165
views
How to merge two strings based on shared suffix and prefix in Kotlin
asked
Jan 24
by
avibootz
kotlin
kotlin-merge-two-strings
merge-two-strings-based-on-shared-suffix-and-prefix
1
answer
141
views
How to sort by strings a mixed pair of string and number elements in a list with Kotlin
asked
Jan 23
by
avibootz
kotlin
kotlin-sort-list
sort-by-strings-mixed-pair-of-string-number-elements-in-list
1
answer
151
views
How to sort by numbers a mixed pair of string and number elements in a list with Kotlin
asked
Jan 23
by
avibootz
kotlin
kotlin-sort-list
sort-by-numbers-mixed-pair-of-string-number-elements-in-list
1
answer
157
views
How to check if a string is IPv4 or IPv6 or invalid in Kotlin
asked
Jan 20
by
avibootz
kotlin
kotlin-check-if-string-is-ipv4-or-ipv6-or-invalid
check-if-string-is-ipv4-or-ipv6-or-invalid
1
answer
161
views
How to print a calendar for a specific month and year in Kotlin
asked
Jan 19
by
avibootz
kotlin
kotlin-print-calendar-for-specific-month-and-year
print-calendar-for-specific-month-and-year
1
answer
147
views
How to print the calendar for a specific year in Kotlin
asked
Jan 17
by
avibootz
kotlin
kotlin-print-calendar-for-specific-year
print-calendar-for-specific-year
1
answer
143
views
How to group words by first letter in Kotlin
asked
Jan 17
by
avibootz
kotlin
kotlin-group-words-by-first-letter
group-words-by-first-letter
1
answer
150
views
How to extract only words with first-letter lowercase from a string in Kotlin
asked
Jan 16
by
avibootz
kotlin
kotlin-extract-words-with-first-letter-lowercase-from-string
extract-words-with-first-letter-lowercase-from-string
1
answer
153
views
How to find the volume of a capsule in Kotlin
asked
Jan 12
by
avibootz
kotlin
kotlin-find-volume-of-capsule
find-volume-of-capsule
1
answer
145
views
How to implement ternary search to find a value in a sorted list with Kotlin
asked
Jan 12
by
avibootz
kotlin
kotlin-implement-ternary-search-to-find-value-in-sorted-array
implement-ternary-search-to-find-value-in-sorted-array
1
answer
159
views
How to convert a character (flatten) matrix to a single string in Kotlin
asked
Jan 10
by
avibootz
kotlin
kotlin-convert-character-matrix-to-single-string
convert-character-matrix-to-single-string
flatten_char_matrix
1
answer
160
views
How to convert a specific column of a decimal matrix to a string in Kotlin
asked
Jan 9
by
avibootz
kotlin
kotlin-convert-specific-column-decimal-matrix-to-string
convert-specific-column-decimal-matrix-to-string
1
answer
147
views
How to convert a specific row of a decimal matrix to a string in Kotlin
asked
Jan 9
by
avibootz
kotlin
kotlin-convert-specific-row-decimal-matrix-to-string
convert-specific-row-decimal-matrix-to-string
1
answer
148
views
How to hash a set of GUIDs in Kotlin
asked
Jan 7
by
avibootz
kotlin
kotlin-hash-set-of-guids
1
answer
159
views
How to check if a number can be made prime by deleting a single digit in Kotlin
asked
Jan 7
by
avibootz
kotlin
kotlin-number-made-prime-deleting-single-digit
number-made-prime-deleting-single-digit
1
answer
165
views
How to check if each letter in a string maps to the first letter of a word in another string with Kotlin
asked
Jan 6
by
avibootz
kotlin
kotlin-each-letter-string-maps-first-letter-word-another-string
each-letter-string-maps-first-letter-word-another-string
1
answer
136
views
How to check if a string can be constructed by using the letters of another string in Kotlin
asked
Jan 5
by
avibootz
kotlin
kotlin-string-constructed-letters-another-string
string-constructed-letters-another-string
1
answer
136
views
How to product of array except self (arr[i] is equal to the product of all the elements except arr[i]) in Kotlin
asked
Jan 4
by
avibootz
kotlin
kotlin-product-array-except-self-arr_i
product-array-except-self-arr_i
2
answers
223
views
How to convert days into human-readable years, months and days in Kotlin
asked
Jan 1
by
avibootz
kotlin
kotlin-days-to-human-readable-years-months-days
days-to-human-readable-years-months-days
1
answer
183
views
How to convert days into human-readable weeks and days in Kotlin
asked
Dec 31, 2025
by
avibootz
kotlin
kotlin-convert-days-human-readable-weeks-days
convert-days-human-readable-weeks-days
1
answer
164
views
How to clear bits in the given range in Kotlin
asked
Dec 30, 2025
by
avibootz
kotlin
kotlin-clear-bits-given-range
clear-bits-given-range
1
answer
175
views
How to get the square root rounded down to the nearest integer of a positive integer in Kotlin
asked
Dec 29, 2025
by
avibootz
kotlin
kotlin-square-root-rounded-down-to-nearest-integer
square-root-rounded-down-to-nearest-integer
1
answer
150
views
How to get the 4 least significant bits in a byte with Kotlin
asked
Dec 28, 2025
by
avibootz
kotlin
kotlin-get-4-least-significant-bits-byte
get-4-least-significant-bits-byte
2
answers
214
views
How to check whether a user string contains any forbidden words from a list in Kotlin
asked
Dec 27, 2025
by
avibootz
kotlin
kotlin-check-user-string-contains-forbidden-words
check-user-string-contains-forbidden-words
1
answer
153
views
How to find a pair with maximum product from int array in Kotlin
asked
Dec 26, 2025
by
avibootz
kotlin
kotlin-pair-maximum-product-array
pair-maximum-product-array
1
answer
176
views
How to reverse the middle words of a string in Kotlin
asked
Dec 25, 2025
by
avibootz
kotlin
kotlin-reverse-middle-words-string
reverse-middle-words-string
1
answer
140
views
How to delete the middle element from a list in Kotlin
asked
Dec 24, 2025
by
avibootz
kotlin
kotlin-delete-middle-element-list
delete-middle-element-list
1
answer
163
views
How to check if the sum of two halves of a number is equal in Kotlin
asked
Dec 23, 2025
by
avibootz
kotlin
kotlin-sum-two-halves-number-equal
sum-two-halves-number-equal
1
answer
162
views
How to check if two halves of a number are equal in Kotlin
asked
Dec 22, 2025
by
avibootz
kotlin
kotlin-two-halves-number-equal
two-halves-number-equal
1
answer
170
views
How to check if two equal-length strings are at least 50% equal in Kotlin
asked
Dec 21, 2025
by
avibootz
kotlin
kotlin-two-equal-length-strings-at-least-50-percent-equal
two-equal-length-strings-at-least-50-percent-equal
2
answers
214
views
How to check if two strings are isomorphic in Kotlin
asked
Dec 19, 2025
by
avibootz
kotlin
kotlin-check-two-strings-isomorphic
check-two-strings-isomorphic
1
answer
169
views
How to remove text between parentheses in a string using Kotlin
asked
Dec 18, 2025
by
avibootz
kotlin
kotlin-remove-text-between-parentheses-in-string
remove-text-between-parentheses-in-string
1
answer
191
views
How to calculate the area of a triangle using Heron’s formula in Kotlin
asked
Dec 15, 2025
by
avibootz
kotlin
kotlin-area-triangle-herons-formula
area-triangle-herons-formula
1
answer
177
views
How to get the number of the day from the beginning of the year to a given date in Kotlin
asked
Dec 13, 2025
by
avibootz
kotlin
kotlin-number-day-beginning-year
number-day-beginning-year
1
answer
184
views
How to move all special characters to the beginning of a string in Kotlin
asked
Dec 12, 2025
by
avibootz
kotlin
kotlin-move-special-characters-beginning-string
move-special-characters-beginning-string
1
answer
169
views
How to find the missing number in a list containing numbers from 1 to n in O(1) time complexity with Kotlin
asked
Dec 11, 2025
by
avibootz
kotlin
kotlin-missing-number-array-o1-time-complexity
missing-number-array-o1-time-complexity
1
answer
162
views
How to calculate time if we have the distance and speed (kilometers per hour) in Kotlin
asked
Dec 6, 2025
by
avibootz
kotlin
kotlin-calculate-time-distance-speed
calculate-time-distance-speed
1
answer
160
views
How to get the absolute value of a number in Kotlin
asked
Dec 5, 2025
by
avibootz
kotlin
kotlin-absolute-value
absolute-value
1
answer
177
views
How to shift letters in a string x times by giving a slice of shifts in Kotlin
asked
Dec 4, 2025
by
avibootz
kotlin
kotlin-shift-letters-string-array-shifts
shift-letters-string-array-shifts
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