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Remove first and last character of a string in Java

Last Updated: 03 October 2022

Given string str, the task is to write Java Program to remove the first and the last character of the string and print the modified string.Examples:Input: str = "GeeksForG ...read more

How to get Day, Month and Year from Date in Java

Last Updated: 01 February 2023

Given a date in the form of a string, the task is to write a Java Program to get the day, month, and year from the given date.Examples:Input: date = "2020-07-18"Output:Day ...read more

Why Java Strings are Immutable?

Last Updated: 31 July 2023

Before proceeding further with the fuss of immutability, let's just take a look into the String class and its functionality a little before coming to any conclusion. In th ...read more

Longest prefix which is also suffix

Last Updated: 16 August 2023

Given a string s, find the length of the longest prefix, which is also a suffix. The prefix and suffix should not overlap.Examples:Input : S = aabcdaabcOutput : 4Explanati ...read more

Program to print all substrings of a given string

Last Updated: 17 August 2023

Given a string as an input. We need to write a program that will print all non-empty substrings of that given string.Examples :Input : abcdOutput : a b ...read more

Strings

strings

DSA

Basic Coding Problems

Minimum characters to be added at front to make string palindrome

Last Updated: 26 September 2023

Given string str we need to tell minimum characters to be added in front of the string to make string palindrome.Examples:Input : str = "ABC"Output : 2We can make above s ...read more

Count Distinct Subsequences

Last Updated: 04 July 2023

Given a string, find the count of distinct subsequences of it.Examples:Input : str = "gfg"Output : 7The seven distinct subsequences are "", "g", "f","gf", "fg", "gg" and ...read more

Write your own atoi()

Last Updated: 04 June 2023

The atoi() function in C takes a string (which represents an integer) as an argument and returns its value of type int. So basically the function is used to convert a stri...read more

Longest Palindromic Substring

Last Updated: 21 September 2023

Given a string str, the task is to find the longest substring which is a palindrome.Examples:Input: str = "forgeeksskeegfor"Output: "geeksskeeg"Explanation: There are seve...read more

Longest Palindromic Subsequence (LPS)

Last Updated: 29 August 2023

Given a string 'S', find the length of the Longest Palindromic Subsequence in it.The Longest Palindromic Subsequence (LPS) is the problem of finding a maximum-length subse...read more

Longest Common Subsequence (LCS)

Last Updated: 18 September 2023

Given two strings, S1 and S2, the task is to find the length of the Longest Common Subsequence, i.e. longest subsequence present in both of the strings.A longest common su...read more

Permutations of given String

Last Updated: 25 August 2023

Given a string S, the task is to write a program to print all permutations of a given string.A permutation also called an "arrangement number" or "order," is a rearrangeme...read more

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