Strings

3.2k+ posts

Last Updated: 11 December 2024

A string is a sequence of characters. The following facts make string an interesting data structure.Small set of elements. Unlike normal ar ...read more

Strings

DSA

Data Structure Types, Classifications and Applications

Last Updated: 11 February 2025

A data structure is a storage that is used to store and organize data. It is a way of arranging data on a computer so that it can be accesse...read more

Top 50 String Coding Problems for Interviews

Last Updated: 19 February 2025

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Java Strings

Last Updated: 12 December 2024

In Java, String is the type of objects that can store the sequence of characters enclosed by double quotes and every character is stored in ...read more

Strings

Java

Java-Strings

Caesar Cipher in Cryptography

Last Updated: 27 June 2024

The Caesar Cipher is one of the simplest and oldest methods of encrypting messages, named after Julius Caesar, who reportedly used it to pro...read more

C Program to Check for Palindrome String

Last Updated: 10 January 2025

A string is said to be palindrome if the reverse of the string is the same as the string. In this article, we will learn how to check whethe...read more

Basic Coding Problems

Longest Palindromic Substring

Last Updated: 10 March 2025

Given a string s, the task is to find the longest substring which is a palindrome. If there are multiple answers, then return the first appe ...read more

Check if two Strings are Anagrams of each other

Last Updated: 24 October 2024

Given two stringss1ands2consisting of lowercase characters, the task is to check whether the two given strings are anagrams of each other or...read more

Longest Substring Without Repeating Characters

Last Updated: 20 March 2025

Given a string s having lowercase characters, find the length of the longest substring without repeating characters.Examples:Input: s = "gee...read more

Longest Common Subsequence (LCS)

Last Updated: 04 March 2025

Given two strings, s1 and s2, the task is to find the length of the Longest Common Subsequence. If there is nocommon subsequence, return0. A...read more

KMP Algorithm for Pattern Searching

Last Updated: 25 February 2025

Given two strings txt and pat, the task is to return all indices ofoccurrencesof pat within txt. Examples:Input: txt = "abcab", pat = "ab"O...read more

Reverse words in a string

Last Updated: 18 March 2025

Given a string str, your task is to reverse the order of the words in the given string. Notethatstrmay contain leading or trailing dots(.) o...read more

Valid Parentheses in an Expression

Last Updated: 13 January 2025

Given a stringsrepresenting an expression containing various types of brackets: {}, (), and [], the task is to determine whether the bracket...read more

Array Reverse - Complete Tutorial

Last Updated: 25 September 2024

Given an array arr[], the task is to reverse the array. Reversing an array means rearranging the elements such that the first element become...read more

Permutations of given String

Last Updated: 19 March 2025

Given a string s, the task is to return all permutations of a given string in lexicographically sorted order.Note: A permutation is the rear...read more

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