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String: All you need to know

In this blog, we are going to learn about Strings, and how do we use them in Java. A string is a sequence of characters. String is a class in Java. String is immutable; the value once created can't be changed. String is not a premitive data type. https://www.youtube.com/live/ZuXe-v0hlyg?si=PFMWkIZcfMs0848n Why are String immutable? Strings are immutable on purpose. Because in order to optimize Strings in Java, we have String Pool, where all the strings recides.Whenever…

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February 16, 2026
DSA

Array: All we need to know

We have all worked with arrays, and Arrays are the first collection on which every developer works on. Through this live, I have gone through various concepts, along with Practice Question on Array as well as 2-D Array. NOTE: The live is recorded in two Parts, because there was some glich while recoding the 1st time. https://www.youtube.com/live/Oqk2Hb5-bqI?si=WbYszvkzYF6Icbh_ https://www.youtube.com/watch?v=Kg7PxTL59ho What is Array? Continuous Memory Allocation Contains elements of Same Data Type Starts from 0 index Ends…

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February 13, 2026
DSA

The Ultimate DSA Plan

The first thing before starting is to know about the game. In order to know more, first we need to know about various data structures and common algorithms. Here is the list of data structures. https://www.youtube.com/watch?v=sihsGdigAWo NOTE: Every Link will be updated while we progress. Stage 1: Understanding the Data Structures Here is the starting point. First, we need to go through the following data structures: Data StructuresPublished (Blog Link) /Not PublishedVideo LinkArraysArray: All we…

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February 13, 2026