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?
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