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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
40,948
questions
53,412
answers
573
users
Recent questions tagged java
1
answer
62
views
How to calculate the Euclidean distance between two points in Java
asked
Oct 12, 2025
by
avibootz
java
java-euclidean-distance
1
answer
69
views
How to initialize a stack with random numbers up to the stack size in Java
asked
Oct 11, 2025
by
avibootz
java
java-stack
java-random
1
answer
73
views
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asked
Oct 11, 2025
by
avibootz
java
java-stack
java-remove
1
answer
80
views
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asked
Oct 11, 2025
by
avibootz
java
java-stack
java-random
1
answer
66
views
How to generate a random HEX RGB color code in Java
asked
Oct 9, 2025
by
avibootz
java
java-rgb
java-random
1
answer
60
views
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asked
Oct 9, 2025
by
avibootz
java
java-random
java-rgb
1
answer
62
views
How to search for a number in a sorted matrix in Java
asked
Oct 7, 2025
by
avibootz
java
java-matrix
java-search
1
answer
71
views
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asked
Oct 7, 2025
by
avibootz
java
java-matrix
1
answer
82
views
How to calculate the median of a matrix in Java
asked
Oct 5, 2025
by
avibootz
java
java-matrix
java-median
1
answer
65
views
How to find the second biggest number in a set of random numbers in Java
asked
Oct 4, 2025
by
avibootz
java
java-second-biggest
3
answers
105
views
How to find a common element in all rows of a given matrix with sorted rows in Java
asked
Oct 3, 2025
by
avibootz
java
java-matrix
1
answer
65
views
How to count the number of sorted rows in either increasing or decreasing order in a matrix using Java
asked
Oct 1, 2025
by
avibootz
java
java-matrix
1
answer
81
views
How to check whether a matrix is a magic square or not in Java
asked
Sep 30, 2025
by
avibootz
java
java-matrix
2
answers
120
views
How to check whether a string can be segmented into a sequence of words from a dictionary in Java
asked
Sep 27, 2025
by
avibootz
java
java-string
1
answer
76
views
How to reverse a word in a string with Java
asked
Sep 26, 2025
by
avibootz
java
java-string
java-reverse
1
answer
87
views
How to reverse the order of the words in a string with Java
asked
Sep 24, 2025
by
avibootz
java
java-string
java-reverse
1
answer
82
views
How to find the smallest letter in a sorted array that is larger than a given letter in Java
asked
Sep 20, 2025
by
avibootz
java
java-array
1
answer
61
views
How to generate a secure 80-bit random hexadecimal string in Java
asked
Sep 19, 2025
by
avibootz
java
java-hexadecimal
1
answer
84
views
How to generate a secure random hexadecimal string in Java
asked
Sep 19, 2025
by
avibootz
java
java-hexadecimal
1
answer
77
views
How to generate a random hexadecimal string in Java
asked
Sep 17, 2025
by
avibootz
java
java-hexadecimal
1
answer
65
views
How to execute 3 functions concurrently in Java
asked
Sep 16, 2025
by
avibootz
java
java-function
1
answer
81
views
How to check if a number is lead number (sum of even digits is equal to the sum of odd digits) in Java
asked
Sep 16, 2025
by
avibootz
java
java-digits
1
answer
84
views
How to find the length of the longest consecutive zeroes in the binary representation of a number in Java
asked
Sep 14, 2025
by
avibootz
java
java-binary
1
answer
88
views
How to find the two elements in a list whose sum is closest to zero in Java
asked
Sep 12, 2025
by
avibootz
java
java-list
1
answer
85
views
How to check if two given words are present in a string in Java
asked
Sep 12, 2025
by
avibootz
java
java-string
1
answer
85
views
How to check if two given words are present in a string in Java
asked
Sep 12, 2025
by
avibootz
java
java-string
1
answer
64
views
How to convet decimal number base-12 number in Java
asked
Sep 10, 2025
by
avibootz
java
java-base-12
1
answer
61
views
How to print the season name of the year based on the month number in Java
asked
Sep 9, 2025
by
avibootz
java
java-season-month
1
answer
73
views
How to simplify path (remove ".." and "." and replace multiple “////” with one single “/”) in Java
asked
Sep 8, 2025
by
avibootz
java
java-path
1
answer
64
views
How to find sum of the first N even numbers in Java
asked
Sep 6, 2025
by
avibootz
java
java-sum
1
answer
70
views
How to find the position of the first set bit (1-bit) of a number in Java
asked
Sep 4, 2025
by
avibootz
java
java-bits
1
answer
85
views
How to sort an array that consists of only 0s and 1s in Java
asked
Sep 2, 2025
by
avibootz
java
java-sort
java-array
1
answer
99
views
How to sort an array of strings where each string represents a decimal number in Java
asked
Sep 1, 2025
by
avibootz
java
java-array
java-sort
1
answer
111
views
How to sort a list of strings where each string represents a decimal number in Java
asked
Sep 1, 2025
by
avibootz
java
java-sort
java-list
1
answer
58
views
How to find the number of squares in an N*N grid with Java
asked
Aug 31, 2025
by
avibootz
java
java-grid-squares
1
answer
76
views
How to calculate compound interest in Java
asked
Aug 30, 2025
by
avibootz
java
java-compound-interest
1
answer
83
views
How to mirror a matrix across the main diagonal in Java
asked
Aug 28, 2025
by
avibootz
java
java-matrix
3
answers
137
views
How to combine 2 maps into a third map in Java
asked
Aug 24, 2025
by
avibootz
java
java-map
1
answer
79
views
How to create a queue, then enqueue and dequeue elements in Java
asked
Aug 21, 2025
by
avibootz
java
java-queue
1
answer
88
views
How to assign a random number using a cryptographically secure random number generator in Java
asked
Aug 20, 2025
by
avibootz
java
java-random
1
answer
103
views
How to find the length of the longest consecutive sequence of an unsorted list of integers in Java
asked
Aug 18, 2025
by
avibootz
java
java-list
java-sequence
java-consecutive-sequence
1
answer
82
views
How to convert an integer to a string in base b with Java
asked
Aug 17, 2025
by
avibootz
java
java-convert
1
answer
65
views
How to write "Ni Hao" ("Hello") in Chinese to standard output using UTF-8 in Java
asked
Aug 14, 2025
by
avibootz
java
java-utf8
2
answers
107
views
How to remove a subarray from an array in Java
asked
Aug 14, 2025
by
avibootz
java
java-array
java-remove
1
answer
66
views
How to sort the part of a list in Java
asked
Aug 12, 2025
by
avibootz
java
java-sort
1
answer
96
views
How to generate N pairs of random digits in Java
asked
Aug 11, 2025
by
avibootz
java
java-random
2
answers
88
views
How to use a custom type as a map key in Java
asked
Aug 11, 2025
by
avibootz
java
java-map
1
answer
71
views
How to create a map with key type point (x, y) and value type string in Java
asked
Aug 10, 2025
by
avibootz
java
java-map
3
answers
124
views
How to check if a string is a palindrome ignoring case and non-alphanumeric characters in Java
asked
Aug 9, 2025
by
avibootz
java
java-palindrome
4
answers
108
views
How to insert elements and print a set in Java
asked
Aug 5, 2025
by
avibootz
java
java-set
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