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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
42,849
questions
55,678
answers
573
users
Recent questions tagged JAVA
1
answer
109
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
120
views
How to sort an array that consists of only 0s and 1s in Java
asked
Sep 2, 2025
by
avibootz
java
java-sort
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1
answer
139
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
144
views
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asked
Sep 1, 2025
by
avibootz
java
java-sort
java-list
1
answer
85
views
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asked
Aug 31, 2025
by
avibootz
java
java-grid-squares
1
answer
104
views
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asked
Aug 30, 2025
by
avibootz
java
java-compound-interest
1
answer
128
views
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asked
Aug 28, 2025
by
avibootz
java
java-matrix
3
answers
192
views
How to combine 2 maps into a third map in Java
asked
Aug 24, 2025
by
avibootz
java
java-map
1
answer
113
views
How to create a queue, then enqueue and dequeue elements in Java
asked
Aug 21, 2025
by
avibootz
java
java-queue
1
answer
120
views
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asked
Aug 20, 2025
by
avibootz
java
java-random
1
answer
147
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
121
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
110
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
163
views
How to remove a subarray from an array in Java
asked
Aug 14, 2025
by
avibootz
java
java-array
java-remove
1
answer
110
views
How to sort the part of a list in Java
asked
Aug 12, 2025
by
avibootz
java
java-sort
1
answer
156
views
How to generate N pairs of random digits in Java
asked
Aug 11, 2025
by
avibootz
java
java-random
2
answers
141
views
How to use a custom type as a map key in Java
asked
Aug 11, 2025
by
avibootz
java
java-map
1
answer
103
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
180
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
180
views
How to insert elements and print a set in Java
asked
Aug 5, 2025
by
avibootz
java
java-set
1
answer
140
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
118
views
How to implement the FizzBuzz program in Java
asked
Aug 4, 2025
by
avibootz
java
java-fizzbuzz
2
answers
152
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
113
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
118
views
How to calculate power for large numbers in Java
asked
Aug 2, 2025
by
avibootz
java
java-power
2
answers
117
views
How to sum the digits of the number 2^N in Java
asked
Aug 1, 2025
by
avibootz
java
java-power-digits-sum
2
answers
141
views
How to declare a function argument that can accept any type in Java
asked
Jul 31, 2025
by
avibootz
java
java-argument
1
answer
112
views
How to set specific bits in a char with Java
asked
Jul 30, 2025
by
avibootz
java
java-bits
1
answer
123
views
How to remove the last digit from an integer in Java
asked
Jul 30, 2025
by
avibootz
java
java-remove
1
answer
112
views
How to get the hostname of the local machine in Java
asked
Jul 29, 2025
by
avibootz
java
java-hostname
1
answer
110
views
How to find the largest palindrome made from the product of two 3-digit numbers in Java
asked
Jul 29, 2025
by
avibootz
java
java-palindrome
1
answer
116
views
How to extract a float from a string in Java
asked
Jul 28, 2025
by
avibootz
java
java-string
java-extract
1
answer
135
views
How to create a string with a repeated character N times in Java
asked
Jul 28, 2025
by
avibootz
java
java-string
1
answer
117
views
How to check if an integer contains an even or odd number of bits set in Java
asked
Jul 27, 2025
by
avibootz
java
java-bits
1
answer
106
views
How to replace multiple consecutive question marks (?) with a single question mark in Java
asked
Jul 24, 2025
by
avibootz
java
java-replace
3
answers
167
views
How to iterating over 2D array in Java
asked
Jul 22, 2025
by
avibootz
java
java-array
1
answer
77
views
How to format time hours-minutes-seconds in Java
asked
Jul 22, 2025
by
avibootz
java
java-time
1
answer
148
views
How to create an empty list of strings in Java
asked
Jul 22, 2025
by
avibootz
java
java-list
1
answer
139
views
How to split a string with multiple separators in Java
asked
Jul 21, 2025
by
avibootz
java
java-string
4
answers
170
views
How to count backwards (Print the numbers N, N - 1, ..., 0 (included)) in Java
asked
Jul 20, 2025
by
avibootz
java
java-loop
1
answer
142
views
How to match a substring within 2 square brackets using RegEx in Java
asked
Jul 19, 2025
by
avibootz
java
java-substring
java-regex
1
answer
148
views
How to remove stop words from a string in Java
asked
Jul 17, 2025
by
avibootz
java
java-string
1
answer
130
views
How to pick a random value from a map in Java
asked
Jul 16, 2025
by
avibootz
java
java-map
1
answer
108
views
How to find the 100001 prime number in Java
asked
Jul 16, 2025
by
avibootz
java
java-prime
1
answer
122
views
How to extract a file name from a path, replace whitespaces, and make it lowercase using RegEx in Java
asked
Jul 15, 2025
by
avibootz
java
java-regex
1
answer
124
views
How to convert multiple <br/> tags to a single <br/> tag using RegEx in Java
asked
Jul 14, 2025
by
avibootz
java
java-string
1
answer
141
views
How to assign the same values to multiple variables in one line with Java
asked
Jul 14, 2025
by
avibootz
java
java-variable
1
answer
152
views
How to filter an ArrayList in-place with Java
asked
Jul 13, 2025
by
avibootz
java
java-list
java-filter
1
answer
146
views
How to print the distinct elements of a list in Java
asked
Jul 13, 2025
by
avibootz
java
java-list
1
answer
100
views
How to XOR byte arrays in Java
asked
Jul 12, 2025
by
avibootz
java
java-xor
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