Java and DSA Foundation Course

Currently Playing: Strings in One Shot | Java Lecture 49 | java srings | strings | stringbuilder |

Strings in One Shot | Java Lecture 49 | java srings | strings | stringbuilder | In this video, Raghav Sir will teach you Strings in Java in one shot. In this video, you will learn input / output of Strings, basic functions of Strings, substrings, Interning, new keyword, immutability, performance and str.equals . You will also learn about StringBuilder and its builtin functions and some good questions. 00:00 Introduction 01:04 Declaration, Output and Input 09:04 charAt() & length() 14:15 Builtin String functions 32:25 String + int / char / String 40:28 substring(i,j) & substring(i) 47:46 Ques 1 : MCQ 49:43 Ques 2 : Print all substrings 56:56 Interning in Strings 1:00:08 int[ ] brr = arr 1:02:10 “new” keyword 1:07:37 Immutability of Strings 1:16:24 Performance of Strings 1:21:08 str.equals() & == 1:29:16 StringBuilder 1:34:10 Builtin StringBuilder functions 1:49:04 Ques 3 : Toggle the characters of a given string 2:08:06 Ques 4 : Count the number of palindromic substrings 2:23:56 Ques 5 : Reverse each word in a sentence 2:35:26 Ques 6 : Compress the given String (LeetCode Medium) 2:50:59 Summary 2:53:35 Maza aa gaya? 📌 𝐏𝐇𝐘𝐒𝐈𝐂𝐒 𝐖𝐀𝐋𝐋𝐀𝐇 𝐎𝐓𝐇𝐄𝐑 𝐘𝐎𝐔𝐓𝐔𝐁𝐄 𝐂𝐇𝐀𝐍𝐍𝐄𝐋𝐒 : 🌐 PhysicsWallah -Alakh Pandey: https://youtube.com/@PhysicsWallah 🌐 Alakh Pandey: https://youtube.com/@alakhpandey1414 🌐 JEE Wallah: https://youtube.com/@jee_wallah 🌐 Competition Wallah: https://youtube.com/@PW-NEETWallah 🌐 PW Foundation: https://youtube.com/c/PhysicsWallahFoundation 🌐 NCERT Wallah: https://www.youtube.com/channel/UC8zCnnfhz-dvIpVdZ1CheuA 🌐 Defence Wallah: https://youtube.com/channel/UC8OCoGX9tmMneOzIFUTWq2Q 🌐 PhysicsWallah English: https://youtube.com/@EnglishPW 🌐 PW Vidyapeeth: https://youtube.com/@VidyapeethPW 🌐 Commerce Wallah by PW: https://youtube.com/@commercewallahpw 🌐 CA Wallah bt PW: https://www.youtube.com/channel/UC2amkJX5zDyQJ0mDajAWRSA 🌐 PW Sarkari Exam: https://youtube.com/@PWSarkariExams 🌐 PW - Hindi Medium: https://youtube.com/@physicswallahhindimedium 🌐 PW Bangla: https://youtube.com/@pwbangla 🌐 PW Maharashtra: https://youtube.com/@PWMaharashtra 🌐 PW Telugu: https://youtube.com/@PWTelugu 🌐 PW Kannada: https://youtube.com/@PWKannada 🌐 PW Gujarati: https://youtube.com/@PWGujarati 🌐 PW Facts: https://youtube.com/@pwfacts 🌐 PW Insiders: https://youtube.com/channel/UCHMWQFr9Nwo3wJsAap2Wnfw 🌐 PW Little Champs: https://youtube.com/@pwlittlechamps 🌐 PW Pathshala: https://youtube.com/channel/UCcXUY9NSMyYbkOvUD97CUmA 🌐 Banking Wallah : https://www.youtube.com/channel/UCg5_K50hLTKerLkSE7I1yWQ 🌐 SSC Wallah : https://www.youtube.com/channel/UCcaEVV7A47J4k9GFcqOOYkg 🌐 JEE Challengers by PW : https://www.youtube.com/channel/UCyf71tWV2abeN-l_UKiJ-5g 🌐 UPSC Wallah : https://www.youtube.com/channel/UCqOy6oOu6RPJNHYQ8f_Ybvg 🌐 UPSC Wallah हिन्दी : https://www.youtube.com/channel/UCmrP-DYdZuThp8AO9lnnwNw 🌐 GATE Wallah : https://www.youtube.com/channel/UC9PoSJoftLvEnXT-PtQ5Wtw 🌐 GATE Wallah - EC,EE & CS : https://www.youtube.com/channel/UCuGWIkiNaWjsCqybgxGuxfg 🌐 GATE Wallah - ME, CE & XE : https://www.youtube.com/channel/UCGrrw9x3_B_fItUIBMvqAUw 🌐 GATE English : https://www.youtube.com/channel/UCOsV75fSUr8gnMbhx-Qh3Lg 🌐 College Wallah : https://www.youtube.com/channel/UCDrf0V4fcBr5FlCtKwvpfwA 🌐 PW IIT JAM & CSIR NET : https://www.youtube.com/channel/UCuj28Zll58sztDqLiDhzgtQ 🌐 Teaching Wallah: https://www.youtube.com/channel/UCUzqJZOkCejFoc5eqWWA9Eg 🌐 CUET Wallah: https://www.youtube.com/@cuetwallahpw 📌 𝐏𝐇𝐘𝐒𝐈𝐂𝐒 𝐖𝐀𝐋𝐋𝐀𝐇 𝐒𝐎𝐂𝐈𝐀𝐋 𝐌𝐄𝐃𝐈𝐀 𝐏𝐑𝐎𝐅𝐈𝐋𝐄𝐒 : 🌐 Telegram : https://t.me/Physics_Wallah_Official_Channel 🌐 Facebook : https://www.facebook.com/physicswallah 🌐 Instagram : https://www.instagram.com/physicswallah/?hl=en 🌐 Twitter : https://twitter.com/physics__wallah 🌐 Linkedin : https://www.linkedin.com/company/78087354/admin/ 📌 For any queries or complaints Visit : https://bit.ly/PW_Queries