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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 java
41,298
questions
53,808
answers
573
users
Recent questions tagged java
1
answer
3
views
How to find keyword matching between multiple text blocks in Java
asked
5 hours
ago
by
avibootz
java
java-find-keyword-matching-between-multiple-text-blocks
find-keyword-matching-between-multiple-text-blocks
1
answer
3
views
How to find keyword matching between 2 text blocks in Java
asked
5 hours
ago
by
avibootz
java
java-find-keyword-matching-between-2-text-blocks
find-keyword-matching-between-2-text-blocks
1
answer
5
views
How to create a constructor using generic types with an interface for numbers and strings in Java
asked
7 hours
ago
by
avibootz
java
java-constructor-using-generic-types-interface-numbers-strings
constructor-using-generic-types-interface-numbers-strings
1
answer
5
views
How to create a constructor using generic types in Java
asked
8 hours
ago
by
avibootz
java
java-constructor-using-generic-types
constructor-using-generic-types
1
answer
10
views
How to print every single date pattern in Java
asked
1 day
ago
by
avibootz
java
java-print-every-single-date-pattern
print-every-single-date-pattern
1
answer
10
views
How to format a date using different formats in Java
asked
2 days
ago
by
avibootz
java
java-format-date-different-formats
format-date-different-formats
1
answer
13
views
How to convert seconds into weeks, days, hours, minutes, and seconds in Java
asked
2 days
ago
by
avibootz
java
java-seconds-into-weeks-days-hours-minutes-seconds
seconds-into-weeks-days-hours-minutes-seconds
1
answer
13
views
How to move a character from left to right on the console screen in Java
asked
3 days
ago
by
avibootz
java
java-move-character-left-right-console-screen
move-character-left-right-console-screen
1
answer
19
views
How to sort a list of files by name, extension, dates, and size in Java
asked
5 days
ago
by
avibootz
java
java-sort-list-files-by-name-extension-dates-size
sort-list-files-by-name-extension-dates-size
1
answer
20
views
How to create a list of random file names, including extension, dates, and file size in Java
asked
6 days
ago
by
avibootz
java
java-file
java-list-random-file-names-extension-dates-size
list-random-file-names-extension-dates-size
1
answer
19
views
How to create a list of random dates in Java
asked
May 15
by
avibootz
java
java-create-list-random-dates
create-list-random-dates
1
answer
19
views
How to compress and decompress repeated string characters by storing the repeated length (RLE) in Java
asked
May 14
by
avibootz
java
java-compress-decompress-repeated-string-characters
compress-decompress-repeated-string-characters
1
answer
17
views
How to calculate the 100th term of the sequence 8, 64, 80, 136, 152 in Java
asked
May 12
by
avibootz
java
java-calculate-100th-term-of-sequence-8-64-80-136-152
calculate-100th-term-of-sequence-8-64-80-136-152
1
answer
15
views
How to calculate the next number in the sequence 8, 64, 80, 136, 152 with Java
asked
May 11
by
avibootz
java
java-calculate-next-number-sequence-8-64-80-136-152
calculate-next-number-sequence-8-64-80-136-152
1
answer
23
views
How to merge two sorted linked lists in Java
asked
May 10
by
avibootz
java
java-merge-two-sorted-linked-lists
merge-two-sorted-linked-lists
1
answer
22
views
How to verify that a string is serialized to a byte array in Java
asked
May 10
by
avibootz
java
java-verify-string-serialized-byte-array
verify-string-serialized-byte-array
1
answer
25
views
How to get accurate ticks from a timer (high‑resolution timer) in Java
asked
May 9
by
avibootz
java
java-accurate-ticks-timer
accurate-ticks-timer
1
answer
27
views
How to calculate the CRC32 of a string in Java
asked
May 8
by
avibootz
java
java-calculate-crc32-string
calculate-crc32-string
1
answer
28
views
How to create a sorted unique array from a matrix in Java
asked
May 7
by
avibootz
java
java-sorted-unique-array-from-matrix
sorted-unique-array-from-matrix
1
answer
29
views
How to create a common sorted unique list from 3 integer lists in Java
asked
May 6
by
avibootz
java
java-common-sorted-unique-list-from-lists
common-sorted-unique-list-from-lists
1
answer
27
views
How to convert an integer into its written‑out English words in Java
asked
May 5
by
avibootz
java
java-convert-integer-english-words
convert-integer-english-words
1
answer
23
views
How to calculate all the less than 500 additive prime numbers in Java
asked
May 4
by
avibootz
java
java-calculate-additive-prime
calculate-additive-prime
1
answer
24
views
How to define a terabyte constant in Java
asked
May 3
by
avibootz
java
java-terabyte-constant
terabyte-constant
1
answer
26
views
How to define an exabyte constant in Java
asked
May 3
by
avibootz
java
java-exabyte-constant
exabyte-constant
1
answer
37
views
How to define a petabyte constant in Java
asked
May 2
by
avibootz
java
java-petabyte-constant
petabyte-constant
1
answer
27
views
How to remove comments from a string in Java
asked
May 1
by
avibootz
java
java-remove-comments-string
remove-comments-string
1
answer
32
views
How to use math functions and constants in Java
asked
Apr 30
by
avibootz
java
java-math-functions-constants
math-functions-constants
2
answers
38
views
How to create a function with an optional parameter in Java
asked
Apr 29
by
avibootz
java
java-function-optional-parameter
function-optional-parameter
1
answer
32
views
How to build a pyramid from the numbers 3, 7, 5, 2, 4, 8, 6, 9, 0, 3 in Java
asked
Apr 28
by
avibootz
java
java-build-pyramid-from-numbers
build-pyramid-from-numbers
1
answer
30
views
How to write a generic swap function in Java
asked
Apr 28
by
avibootz
java
java-generic-swap-function
generic-swap-function
1
answer
39
views
How to decode Leet Speak (where numbers resemble letters (7->T, 1->I, 5->S, 3 -> E)) in Java
asked
Apr 27
by
avibootz
java
java-decode-leet-speak
decode-leet-speak
1
answer
29
views
How to convert "7H15 M3554G3" into words in Java
asked
Apr 27
by
avibootz
java
java-convert-7h15-m3554g3-into-words
convert-7h15-m3554g3-into-words
2
answers
36
views
How to express a decimal number as a fixed-length string with leading zeros in Java
asked
Apr 26
by
avibootz
java
java-decimal-number-to-string-leading-zeros
decimal-number-to-string-leading-zeros
1
answer
31
views
How to validate a password (must contain uppercase, lowercase, digit, and special character) in Java
asked
Apr 25
by
avibootz
java
java-validate-password
validate-password
1
answer
39
views
How to reconstruct a full sparse matrix from a compact (triplet) matrix in Java
asked
Apr 25
by
avibootz
java
java-reconstruct-sparse-matrix-from-compact-triplet-matrix
reconstruct-sparse-matrix-from-compact-triplet-matrix
1
answer
33
views
How to compact a sparse matrix in Java
asked
Apr 24
by
avibootz
java
java-compact-sparse-matrix
compact-sparse-matrix
1
answer
37
views
How to search for a word in a grid of characters with Java
asked
Apr 23
by
avibootz
java
java-search
java-grid
java-search-word-grid-characters
search-word-grid-characters
1
answer
33
views
How to create a generic method with multiple type parameters in Java
asked
Apr 21
by
avibootz
java
java-create-generic-class-generic-method-multiple-type-parameters
create-generic-class-generic-method-multiple-type-parameters
1
answer
36
views
How to create a generic class with a generic method in Java
asked
Apr 21
by
avibootz
java
java-create-generic-class-generic-method
create-generic-class-generic-method
1
answer
45
views
How to localize date format in Java
asked
Apr 19
by
avibootz
java
java-localize-date-format
localize-date-format
1
answer
35
views
How to check if a string is title case in Java
asked
Apr 17
by
avibootz
java
java-check-string-title-case
check-string-title-case
11
answers
79
views
How to copy a string in Java
asked
Apr 16
by
avibootz
java
java-copy-string
copy-string
1
answer
44
views
How to represent the Boolean "true" and "false" in Java
asked
Apr 14
by
avibootz
java
java-represent-boolean-true-false
represent-boolean-true-false
1
answer
32
views
How to find the next number in the series 14, 25, 47, 91 with Java
asked
Apr 14
by
avibootz
java
java-next-number-series-14-25-47-91
next-number-series-14-25-47-91
2
answers
48
views
How to print all possible permutations (all possible orderings) of the words in Java
asked
Apr 14
by
avibootz
java
java-all-possible-permutations-words
all-possible-permutations-words
1
answer
35
views
How to calculate relative past time from a given date & time (e.g., 3 hours ago, 5 days ago, a month ago) in Java
asked
Apr 13
by
avibootz
java
java-calculate-relative-past-time-date-time
calculate-relative-past-time-date-time
1
answer
37
views
How to add a new interval into a sorted list of non‑overlapping intervals in Java
asked
Apr 9
by
avibootz
java
java-add-interval-into-sorted-list-non-overlapping-intervals
add-interval-into-sorted-list-non-overlapping-intervals
1
answer
31
views
How to print text diagonally from left to right recursively in Java
asked
Apr 8
by
avibootz
java
java-print-text-diagonally-from-left-to-right-recursively
print-text-diagonally-from-left-to-right-recursively
1
answer
39
views
How to detect whether any intervals overlap in an array of start and end times with Java
asked
Apr 8
by
avibootz
java
java-detect-intervals-overlap-array-start-end-times
detect-intervals-overlap-array-start-end-times
1
answer
36
views
How to print text diagonally from left to right in Java
asked
Apr 7
by
avibootz
java
java-print-text-diagonally-from-left-to-right
print-text-diagonally-from-left-to-right
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