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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
41,593
questions
54,235
answers
573
users
Recent questions tagged JAVA
1
answer
70
views
How to generate a random RGB color code in Java
asked
Oct 9, 2025
by
avibootz
java
java-random
java-rgb
1
answer
77
views
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asked
Oct 7, 2025
by
avibootz
java
java-matrix
java-search
1
answer
79
views
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asked
Oct 7, 2025
by
avibootz
java
java-matrix
1
answer
91
views
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asked
Oct 5, 2025
by
avibootz
java
java-matrix
java-median
1
answer
78
views
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asked
Oct 4, 2025
by
avibootz
java
java-second-biggest
3
answers
117
views
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asked
Oct 3, 2025
by
avibootz
java
java-matrix
1
answer
80
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
92
views
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asked
Sep 30, 2025
by
avibootz
java
java-matrix
2
answers
136
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
84
views
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asked
Sep 26, 2025
by
avibootz
java
java-string
java-reverse
1
answer
102
views
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asked
Sep 24, 2025
by
avibootz
java
java-string
java-reverse
1
answer
96
views
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asked
Sep 20, 2025
by
avibootz
java
java-array
1
answer
80
views
How to generate a secure 80-bit random hexadecimal string in Java
asked
Sep 19, 2025
by
avibootz
java
java-hexadecimal
1
answer
95
views
How to generate a secure random hexadecimal string in Java
asked
Sep 19, 2025
by
avibootz
java
java-hexadecimal
1
answer
92
views
How to generate a random hexadecimal string in Java
asked
Sep 17, 2025
by
avibootz
java
java-hexadecimal
1
answer
78
views
How to execute 3 functions concurrently in Java
asked
Sep 16, 2025
by
avibootz
java
java-function
1
answer
90
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
91
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
105
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
97
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
96
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
75
views
How to convet decimal number base-12 number in Java
asked
Sep 10, 2025
by
avibootz
java
java-base-12
1
answer
68
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
80
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
70
views
How to find sum of the first N even numbers in Java
asked
Sep 6, 2025
by
avibootz
java
java-sum
1
answer
86
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
92
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
108
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
125
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
64
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
80
views
How to calculate compound interest in Java
asked
Aug 30, 2025
by
avibootz
java
java-compound-interest
1
answer
94
views
How to mirror a matrix across the main diagonal in Java
asked
Aug 28, 2025
by
avibootz
java
java-matrix
3
answers
148
views
How to combine 2 maps into a third map in Java
asked
Aug 24, 2025
by
avibootz
java
java-map
1
answer
87
views
How to create a queue, then enqueue and dequeue elements in Java
asked
Aug 21, 2025
by
avibootz
java
java-queue
1
answer
95
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
120
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
93
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
79
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
118
views
How to remove a subarray from an array in Java
asked
Aug 14, 2025
by
avibootz
java
java-array
java-remove
1
answer
86
views
How to sort the part of a list in Java
asked
Aug 12, 2025
by
avibootz
java
java-sort
1
answer
107
views
How to generate N pairs of random digits in Java
asked
Aug 11, 2025
by
avibootz
java
java-random
2
answers
101
views
How to use a custom type as a map key in Java
asked
Aug 11, 2025
by
avibootz
java
java-map
1
answer
78
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
143
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
115
views
How to insert elements and print a set in Java
asked
Aug 5, 2025
by
avibootz
java
java-set
1
answer
114
views
How to convert binary digits to a byte list in Java
asked
Aug 4, 2025
by
avibootz
java
java-byte-list
java-binary
1
answer
89
views
How to implement the FizzBuzz program in Java
asked
Aug 4, 2025
by
avibootz
java
java-fizzbuzz
2
answers
102
views
How to check if floating point is NaN in Java
asked
Aug 3, 2025
by
avibootz
java
java-floating-point
java-nan
1
answer
84
views
How to get the row of Pascal triangle given an integer rowIndex in Java
asked
Aug 3, 2025
by
avibootz
java
java-pascal-triangle
1
answer
85
views
How to calculate power for large numbers in Java
asked
Aug 2, 2025
by
avibootz
java
java-power
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