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SSSk Shoyebskshoyebjavascript.hashnode.dev

All String Permutations - Backtracking Method - JavaScript Solution

In this article we will solve the all string permutation problem with javascript by backtracking method. We will generate the solution tree and write the code accordingly, Solution Tree Code class

3d ago2 min read

TTuanhdotnettuanhnet.hashnode.dev

Series of Interview Questions for Backend Developers Part 1

Source: Series of Interview Questions for Backend Developers Part 1 1. Question 1: How does the JVM work? From class loading to initialization When you hit “Run” on a Java program, a lot of machinery spins into action before main is even touch...

Feb 217 min read

HDharshad dhongadedsaexamples.hashnode.dev

Palindrome Check in JavaScript: 3 Approaches from Good to Great

"A man, a plan, a canal: Panama" - Is this a palindrome? Most beginners say NO because of spaces and punctuation. But here's the thing: it is a palindrome when you know how to check properly. Let me show you why this simple problem teaches you string...

Jan 296 min read

ASAKASH Svariableinjava.hashnode.dev

Variables, Scope, Type Conversion, Arrays & Strings in Java

1️⃣ Variables in Java (Storage Units) A variable is a named storage location in memory. In Java, a variable is defined by five things: Type + Name + Value + Scope + Lifetime int x = 10; int → Data type x → Variable name 10 → Value Scope → Wher...

Jan 253 min read

SKSuraj Kumardemontroooper.hashnode.dev

The Power of Strings: Unlocking the Potential of Text Manipulation

The Power of Strings: Unlocking the Potential of Text Manipulation The world of strings is a vast and complex one, full of hidden patterns and untapped potential. For developers, marketers, and writers, understanding the intricacies of strings can be...

Jan 83 min read

RSRehan Sayyedpatterns-dsa.hashnode.dev

Solution: 409. Longest Palindrome

class Solution { public: int longestPalindrome(string s) { int result = 0; unordered_set<int> setForLetters; for (char &ch : s) { if (setForLetters.count(ch)) { result += 2; set...

Dec 30, 20251 min read

SAShahwar Alam Naqviis-power-of-two.hashnode.dev

LeetCode: Check If String Is a Prefix of Array

Problem: https://leetcode.com/problems/check-if-string-is-a-prefix-of-array/description/ Code: class Solution: def isPrefixString(self, s: str, words: List[str]) -> bool: index=0 for word in words: if not s.startswith(...

Dec 16, 20252 min read

SAShahwar Alam Naqviis-power-of-two.hashnode.dev

LeetCode: Longest Common Prefix

Problem https://leetcode.com/problems/longest-common-prefix/ Code: class Solution: def longestCommonPrefix(self, strs: List[str]) -> str: current_prefix = strs[0] for word in strs: while not word.startswith(current_pre...

Dec 14, 20252 min read

SAShahwar Alam Naqviis-power-of-two.hashnode.dev

LeetCode: Largest Odd Number in String

Problem: https://leetcode.com/problems/largest-odd-number-in-string/description/ Code: class Solution: def largestOddNumber(self, num: str) -> str: for i in range(len(num)-1,-1, -1): if int(num[i])%2!=0: return...

Dec 9, 20252 min read

SAShahwar Alam Naqviis-power-of-two.hashnode.dev

LeetCode: Length of Last Word

https://leetcode.com/problems/length-of-last-word/description/ Code: class Solution: def lengthOfLastWord(self, s: str) -> int: return len(s.strip().split()[-1]) Key Points: Problem in Simple Words We need to return the length of the las...

Dec 9, 20251 min read

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#string

All String Permutations - Backtracking Method - JavaScript Solution

Series of Interview Questions for Backend Developers Part 1

Palindrome Check in JavaScript: 3 Approaches from Good to Great

Variables, Scope, Type Conversion, Arrays & Strings in Java

The Power of Strings: Unlocking the Potential of Text Manipulation

Solution: 409. Longest Palindrome

LeetCode: Check If String Is a Prefix of Array

LeetCode: Longest Common Prefix

LeetCode: Largest Odd Number in String

LeetCode: Length of Last Word

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#string

All String Permutations - Backtracking Method - JavaScript Solution

Series of Interview Questions for Backend Developers Part 1

Palindrome Check in JavaScript: 3 Approaches from Good to Great

Variables, Scope, Type Conversion, Arrays & Strings in Java

The Power of Strings: Unlocking the Potential of Text Manipulation

Solution: 409. Longest Palindrome

LeetCode: Check If String Is a Prefix of Array

LeetCode: Longest Common Prefix

LeetCode: Largest Odd Number in String

LeetCode: Length of Last Word