SOLID: 5 Principles of Object Oriented Design
#swe
#java
Sep 02, 2022
SOLID is an acronym for five object-oriented design principles that are followed to keep code maintainable, scalable and understandable.
Alex Sikorski
Finding the Users Active Minutes (LeetCode #1817)
#java
#leetcode
#leetcode medium
Jul 12, 2022
An answer that utilises HashMap and HashSet written using two loops that achieves an optimal time and space complexity.
Alex Sikorski
Fizz Buzz (LeetCode #412)
#leetcode easy
#leetcode
#java
Jul 08, 2022
A Java solution that loops once and uses the modulo operator to check if integers are divisible by 3,5 or 3 and 5.
Alex Sikorski
Watering Plants (LeetCode #2079)
#leetcode medium
#leetcode
#java
Jun 26, 2022
A Java solution that uses one loop to count how many steps are required to water plants.
Alex Sikorski
Maximum 69 Number (LeetCode #1323)
#leetcode easy
#leetcode
#java
Jun 23, 2022
A Java solution that seeks the first '6' character and calculates a new maximum using just one for loop.
Alex Sikorski
Sorting the Sentence (LeetCode #1859)
#leetcode easy
#leetcode
#java
Jun 16, 2022
The most time and space efficient Java solution, where an array of fixed size is used to sort as specified by the problem.
Alex Sikorski
Find Target Indices After Sorting Array (LeetCode #2089)
#java
#leetcode
#leetcode easy
Jun 05, 2022
A Java solution that works around not having to sort an array, that would otherwise take more time to compute.
Alex Sikorski
Number of Segments in a String (LeetCode #434)
#leetcode easy
#leetcode
#java
Jun 02, 2022
A Java solution for finding segments determined by a contiguous sequence of non-space characters.
Alex Sikorski
Valid Parentheses (LeetCode #20)
#leetcode easy
#leetcode
#java
May 30, 2022
A Java solution using a LIFO (Last In First Out) stack, determine if a string is valid.
Alex Sikorski