التخطي إلى المحتوى الرئيسي

Most Important String based question for Javascript, Python & Java Developers

 String Question List:

If you want to select on any top company or startup then you should solve these String based problems that is mandatory for tech round interview.

Solve the question and post on comment

  • Reverse a String
  • Check if a String is a Palindrome
  • Count the Number of Vowels in a String
  • Find the First Non-Repeating Character in a String
  • Check if Two Strings are Anagrams
  • Check if a String Contains Only Digits
  • Find the Longest Word in a String
  • Count the Occurrences of a Character in a String
  • Capitalize the First Letter of Each Word in a String
  • Remove Duplicate Characters from a String
  • Find All Permutations of a String
  • Longest Palindromic Substring
  • Implement a String Search Algorithm (Knuth-Morris-Pratt or Rabin-Karp)
  • Group Anagrams Together
  • Find the Longest Substring Without Repeating Characters
  • Convert a String to an Integer (Implement parseInt())
  • Check if a String is a Valid Number
  • Minimum Window Substring
  • Regular Expression Matching
  • String Compression
  • Edit Distance (Levenshtein Distance)
  • Count and Say Sequence
  • Z-Algorithm for Pattern Matching
  • Wildcard Pattern Matching
  • Longest Common Subsequence (LCS)
  • String Rotation Check
  • Longest Repeating Substring
  • Convert Infix Expression to Postfix (or Prefix) Notation
  • Find All Subsequences of a String
  • Check if a String is a Valid Palindrome Considering Punctuation and Space 


    • Other Question List:

    Q1)  WAP to print factorial of prime elements of Fibonacci series?

    Q2)  WAP to  merge three string into one string where first string contains set of vowel, second string contains 5 consonants and third string contains set of 5 numbers. created string should contains at least one vowel one consonant and one numeric.


    s1="aeiou"
    s2="klmnp"
    s3="56789"

    ak5, ak6, ak7,ak8,ak9, ek5,ek6

    Q3)  WAP to convert any binary number to decimal binary?

    111

    Q4)  WAP to find max prime element into two array?

    [1,6,9,7]
    [2,3,17,5]

    17


    Q5)  WAP to reverse array elements but reverse only even elements not odd elements?

    [2,3,7,9,11,23,22,5]

    [22,2]


    التسميات:

    تعليقات

    إرسال تعليق

    POST Answer of Questions and ASK to Doubt

    المشاركات الشائعة من هذه المدونة

    Uncontrolled form input in React-JS

      Uncontrolled form input in React-JS? If we want to take input from users without any separate event handling then we can uncontrolled the data binding technique. The uncontrolled input is similar to the traditional HTML form inputs. The DOM itself handles the form data. Here, the HTML elements maintain their own state that will be updated when the input value changes. To write an uncontrolled component, you need to use a ref to get form values from the DOM. In other words, there is no need to write an event handler for every state update. You can use a ref to access the input field value of the form from the DOM. Example of Uncontrolled Form Input:- import React from "react" ; export class Info extends React . Component {     constructor ( props )     {         super ( props );         this . fun = this . fun . bind ( this ); //event method binding         this . input = React . createRef ();...
    إرسال تعليق
    قراءة المزيد

    JSP Page design using Internal CSS

      JSP is used to design the user interface of an application, CSS is used to provide set of properties. Jsp provide proper page template to create user interface of dynamic web application. We can write CSS using three different ways 1)  inline CSS:-   we will write CSS tag under HTML elements <div style="width:200px; height:100px; background-color:green;"></div> 2)  Internal CSS:-  we will write CSS under <style> block. <style type="text/css"> #abc { width:200px;  height:100px;  background-color:green; } </style> <div id="abc"></div> 3) External CSS:-  we will write CSS to create a separate file and link it into HTML Web pages. create a separate file and named it style.css #abc { width:200px;  height:100px;  background-color:green; } go into Jsp page and link style.css <link href="style.css"  type="text/css" rel="stylesheet"   /> <div id="abc"> </div> Exam...
    إرسال تعليق
    قراءة المزيد

    JDBC using JSP and Servlet

    JDBC means Java Database Connectivity ,It is intermediates from Application to database. JDBC has different type of divers and provides to communicate from database server. JDBC contain four different type of approach to communicate with Database Type 1:- JDBC-ODBC Driver Type2:- JDBC Vendor specific Type3 :- JDBC Network Specific Type4:- JDBC Client-Server based Driver  or JAVA thin driver:- Mostly we prefer Type 4 type of Driver to communicate with database server. Step for JDBC:- 1  Create Database using MYSQL ,ORACLE ,MS-SQL or any other database 2   Create Table using database server 3   Create Form according to database table 4  Submit Form and get form data into servlet 5  write JDBC Code:-     5.1)   import package    import java.sql.*     5.2)  Add JDBC Driver according to database ide tools     5.3)  call driver in program         ...
    4 تعليقات
    قراءة المزيد