Curated Learning Tracks & Playlists
Tech Lectures & Courses
Step-by-step course tracks organized strictly by domain and YouTube channel playlist. No mixed lectures, no confusing jumps.
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Java DSA Series
Data Structure & Algorithm (DSA)Love Babbar (Code Help)Showing all 122 sequential lectures in this course • Complete curriculum track
9:09
Data Structure & Algorithm (DSA)
DSA Complete Series 🚀 : Data Structures & Algorithms || 150 day Challenge
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1:16:09
Data Structure & Algorithm (DSA)
Lecture 1: Flowchart & Pseudocode + Basics || DSA Series by Babbar || Java
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14:55
Data Structure & Algorithm (DSA)
Lecture 2: How a Java Program Run || DSA Series by Babbar
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8:29
Data Structure & Algorithm (DSA)
Lecture 3: IDE Setup for Coding || DSA Series by Babbar || Java
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22:38
Data Structure & Algorithm (DSA)
Lecture 4: Write your FIRST Java Program || DSA Series by Babbar
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15:17
Data Structure & Algorithm (DSA)
Lecture 5: VARIABLES in Java || DSA Series by Babbar
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27:37
Data Structure & Algorithm (DSA)
Lecture 6: DataTypes in Java || DSA Series by Babbar
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30:29
Data Structure & Algorithm (DSA)
Lecture 7: Operators in Java || DSA Series by Babbar
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12:01
Data Structure & Algorithm (DSA)
Lecture 8: Input/Output in Java || DSA Series by Babbar
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34:38
Data Structure & Algorithm (DSA)
Lecture 9: Conditionals in Java || DSA Series by Babbar
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1:08:59
Data Structure & Algorithm (DSA)
Lecture 10: Loops in Java || DSA Series by Babbar
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2:06:33
Data Structure & Algorithm (DSA)
Lecture 11: Solve any PATTERN Printing Problem using this TRICK || DSA Series by Babbar
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58:17
Data Structure & Algorithm (DSA)
Lecture 12: Methods in Java || DSA Series by Babbar
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1:19:23
Data Structure & Algorithm (DSA)
Lecture 13: Arrays in Java || DSA Series by Babbar
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1:06:44
Data Structure & Algorithm (DSA)
Lecture 14: Strings in Java || DSA Series by Babbar
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1:16:36
Data Structure & Algorithm (DSA)
Lecture 15: Basic Maths needed for DSA || DSA Series by Babbar
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44:10
Data Structure & Algorithm (DSA)
Lecture 16: Intro to OOPs Concepts || DSA Series by Babbar
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30:01
Data Structure & Algorithm (DSA)
Lecture 17: Classes, Objects, Constructors, Object Lifecycle in JAVA || DSA Series by Babbar
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33:08
Data Structure & Algorithm (DSA)
Lecture 18: Encapsulation in JAVA || DSA Series by Babbar
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1:35:58
Data Structure & Algorithm (DSA)
Lecture 19: Inheritance in Java || DSA Series by Babbar
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38:10
Data Structure & Algorithm (DSA)
Lecture 20: Polymorphism in Java || DSA Series by Babbar
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55:49
Data Structure & Algorithm (DSA)
Lecture 21: Abstraction in Java || DSA Series by Babbar
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37:28
Data Structure & Algorithm (DSA)
Lecture 22: Time & Space Complexity || DSA Series by Babbar
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1:24:47
Data Structure & Algorithm (DSA)
Lecture 23: Java Collection Framework ( Part-1 ) || DSA Series by Babbar
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57:46
Data Structure & Algorithm (DSA)
Lecture 24: Java Collection Framework ( Part-2 ) || DSA Series by Babbar
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1:05:07
Data Structure & Algorithm (DSA)
Lecture 25: Java Collection Framework ( Part-3 ) || DSA Series by Babbar
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59:21
Data Structure & Algorithm (DSA)
Lecture 26: Bitwise Operators in Java || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 27: Array Problem Solving Part-1 || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 28: Array Manipulation Problems || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 29: Array Problem Solving Part-3 || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 30: Array Problem Solving Part-4 || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 31: Missing Elements from an Array of Duplicates || Array Problem || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 32: Maximum Sum Contiguous SubArray || Kadane's Algorithm || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 33: Solving 2D Array Problems || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 34: Rotate and Spiral Print a Matrix || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 35: Sorting Algorithms || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 36: Binary Search in 1 Video || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 37: Upper/Lower Bound, Number of Occurrences Binary Search || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 38: Find PEAK of MOUNTAIN Array || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 39: Search in a Rotated Sorted Array || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 40: Binary Search on Answers PATTERN || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 41: Book Allocation Problem || Min-Max Binary Search Pattern || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 42: Painter's Partition Problem || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 43: Aggressive Cows Problem || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 44: EKO SPOJ Problem || Binary Search || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 45: ROTI PRATA SPOJ Problem || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 46: Search in Nearly Sorted Array || Binary Search || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 47: Find Single Non-Duplicate element using Binary Search || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 48: Search in 2D Matrix I and II (Binary Search) || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 49: Row with Maximum 1's || Binary Search || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 50: Unbounded Search using Binary Search Concept || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 51: Reverse Words in a Strings || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 52: String Interview Questions Part-2 || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 53: String Interview Problems Part-3 || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 54: Recursion Basics || Recursion Series Day-1 || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 55: Recursive Time & Space Complexity || Recursion Series Day-2 || DSA Series by Babbar
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10:00
Data Structure & Algorithm (DSA)
Lecture 56: Climbing Stairs problem || Recursion Series Day-3
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10:00
Data Structure & Algorithm (DSA)
Lecture 57: Recursion Basics || Recursion Day-4
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10:00
Data Structure & Algorithm (DSA)
Lecture 58: Recursive BINARY SEARCH || Recursion Day-5
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10:00
Data Structure & Algorithm (DSA)
Lecture 59: Subsequences of String || Recursion Series Day-6
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10:00
Data Structure & Algorithm (DSA)
Lecture 60: House Robber Problem || Recursion Series Day-7
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10:00
Data Structure & Algorithm (DSA)
Lecture 61: Coin Change 2 Problem || Recursion Series Day-8
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10:00
Data Structure & Algorithm (DSA)
Lecture 62: COin Change I Problem || Recursion Series Day-9
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10:00
Data Structure & Algorithm (DSA)
Lecture 64: Minimize the Difference Between Target and Chosen Elements || Recursion Series Day-11
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10:00
Data Structure & Algorithm (DSA)
Lecture 63: Partition Equal Subset Sum Problem || Recursion Series Day-10
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10:00
Data Structure & Algorithm (DSA)
Lecture 65: Jump Game Problem || Recursion Series Day-12
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10:00
Data Structure & Algorithm (DSA)
Lecture 66: Leetcode Triangle Problem || Recursive Series Day-13
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10:00
Data Structure & Algorithm (DSA)
Lecture 67: Subsequences with Sum K || Recursion Series Day-14
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10:00
Data Structure & Algorithm (DSA)
Lecture 68: Subsets 1 & Subsets II Problem || Recursion Series Day-15
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10:00
Data Structure & Algorithm (DSA)
Lecture 69: Combination Sum (All 3 *variants*) || Recursion Series Day-16
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10:00
Data Structure & Algorithm (DSA)
Lecture 70: Permutations of String || Recursion Series Day-17
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10:00
Data Structure & Algorithm (DSA)
Lecture 71: Intro to Backtracking || Recursion Series Day-18
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10:00
Data Structure & Algorithm (DSA)
Lecture 72: Phone Keypad Problem || Recursion Series Day-19
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10:00
Data Structure & Algorithm (DSA)
Lecture 73: N-Queen Problem || Recursion Series Day-20
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10:00
Data Structure & Algorithm (DSA)
Lecture 74: Sudoku Solver Problem || Recursion Series Day-21
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10:00
Data Structure & Algorithm (DSA)
Lecture 75: Merge Sort in 1 Video || Recursion Series Day-22
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10:00
Data Structure & Algorithm (DSA)
Lecture 76: Inversion Count in an Array || Recursion Day-23
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10:00
Data Structure & Algorithm (DSA)
Lecture 77: Quick Sort in 1 Video || Recursion Day - 24
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10:00
Data Structure & Algorithm (DSA)
Lecture 78: Starting Linked List Series || Day - 1
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10:00
Data Structure & Algorithm (DSA)
Lecture 79: All about Doubly Linked List || Linked List Series Day - 2
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10:00
Data Structure & Algorithm (DSA)
Lecture 80: Circular Linked List || Linked List Series Day-3
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10:00
Data Structure & Algorithm (DSA)
Lecture 81: Reverse a Linked List || Linked List Series Day-4
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10:00
Data Structure & Algorithm (DSA)
Lecture 82: Middle Node of Linked List || Linked List Series Day-5
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10:00
Data Structure & Algorithm (DSA)
Lecture 83: Check Palindrome Linked List || Linked List Series Day-6
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10:00
Data Structure & Algorithm (DSA)
Lecture 84: Check Cycle in Linked List || Linked List Series Day-7
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10:00
Data Structure & Algorithm (DSA)
Lecture 86: Remove Duplicate Nodes from LL || Linked List Series Day-9
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10:00
Data Structure & Algorithm (DSA)
Lecture 87: Kth node from end of LL || Linked List Series Day-10
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10:00
Data Structure & Algorithm (DSA)
Lecture 88: Odd-Even Linked List || Linked List Series Day-11
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10:00
Data Structure & Algorithm (DSA)
Lecture 89: Merge Nodes in between Zeroes || Linked List Series Day-12
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10:00
Data Structure & Algorithm (DSA)
Lecture 90: Add 1 to LL || Linked List Series Day-13
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10:00
Data Structure & Algorithm (DSA)
Lecture 91: Intersection of 2 Linked List || Linked List Series Day-14
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10:00
Data Structure & Algorithm (DSA)
Lecture 92: Rotate Linked List || Linked List Series Day-15
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10:00
Data Structure & Algorithm (DSA)
Lecture 93: Sort LL of 0's, 1's and 2's || Linked List Series Day-16
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10:00
Data Structure & Algorithm (DSA)
Lecture 94: Swap Nodes in LL || Linked List Series day-17
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10:00
Data Structure & Algorithm (DSA)
Lecture 95: Delete N Nodes After M Nodes || Linked List Series Day-18
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10:00
Data Structure & Algorithm (DSA)
Lecture 97: DETECT Starting Node of CYCLE in Linked List || LL Series Day-20
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10:00
Data Structure & Algorithm (DSA)
Lecture 98: Partition a Linked List || LL Series Day-22
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10:00
Data Structure & Algorithm (DSA)
Lecture 96: Add 2 numbers in Linked List || LL Series Day-19
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10:00
Data Structure & Algorithm (DSA)
Lecture 99: Split a LL into Parts || Linked List Series Day-22
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10:00
Data Structure & Algorithm (DSA)
Lecture 100: Reverse LL in Groups of K || Linked List Series Day-23
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10:00
Data Structure & Algorithm (DSA)
Lecture 101: Flatten a Multi-Level LL || Linked List Series Day-24
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10:00
Data Structure & Algorithm (DSA)
Lecture 102: Find Nodes between Critical Points || Linked List Series Day-25
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10:00
Data Structure & Algorithm (DSA)
Lecture 103: Double a Number in Linked List || Linked List Series Day-26
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10:00
Data Structure & Algorithm (DSA)
Lecture 104: Deep Copy a Linked List || Linked List Series Day-27
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10:00
Data Structure & Algorithm (DSA)
Lecture 105: Starting Stack Series || Day-1
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10:00
Data Structure & Algorithm (DSA)
Lecture 106: STACK warm-up Coding Problems || Day-2
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10:00
Data Structure & Algorithm (DSA)
Lecture 107: Check STACK is Sorted or Not || Stack Series Day-3
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10:00
Data Structure & Algorithm (DSA)
Lecture 108: Insert Element in a Sorted Stack || Stack Series Day-4
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10:00
Data Structure & Algorithm (DSA)
Lecture 109: Check String is VALID or NOT Stack Problem || Stack Series Day-5
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10:00
Data Structure & Algorithm (DSA)
Lecture 110: Min Addition to make Parentheses Valid || Stack Series Day-6
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10:00
Data Structure & Algorithm (DSA)
Lecture 111: Minimum Bracket Reversal || Stack Series Day-7
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10:00
Data Structure & Algorithm (DSA)
Lecture 113: Remove all Adjacent duplicates in String || Stack Series Day-9
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10:00
Data Structure & Algorithm (DSA)
Lecture 112: Longest Valid Parentheses || Stack Series Day-8
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10:00
Data Structure & Algorithm (DSA)
Lecture 114: Simplify Path || Stack Series Day-10
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10:00
Data Structure & Algorithm (DSA)
Lecture 115: Decode String || Stack Series Day-11
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10:00
Data Structure & Algorithm (DSA)
Lecture 116: Monotonic Stack Pattern Problem || Stack Series Day-12
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10:00
Data Structure & Algorithm (DSA)
Lecture 117: Stock Span Problem || Stack Series Day-13
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10:00
Data Structure & Algorithm (DSA)
Lecture 118: Next Greater Node in Linked List || Stack Series Day-14
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10:00
Data Structure & Algorithm (DSA)
Lecture 119: Remove K Digits Problem || Stack Series Day-15
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10:00
Data Structure & Algorithm (DSA)
Lecture 120: Celebrity Problem || Stack Series Day-16
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10:00
Data Structure & Algorithm (DSA)
Lecture 121: Design Browser History || Stack Series Day-17
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10:00
Data Structure & Algorithm (DSA)
Lecture 122: N Stacks in an Array || Stack Series Day-18
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