Java & DSA in 30 days : Course for Placement (Hindi)

   Monday, July 13, 2026   

Starting a new Lecture Notes Series on Java & DSA in 30 days : Course for Placement

Youtube Lecture Playlist Credits 

Channel Name: Apna College

So Let Us Start to This Journey of Learning 

Java & DSA in 30 days : Course for Placement By Lecture Notes together!

Lecture 1: Introduction to Java Language | Lecture 1 | Complete Placement Course

Lecture 2: Variables in Java | Input Output | Complete Placement Course | Lecture 2

Lecture 3: Conditional Statements | If-else, Switch Break | Complete Java Placement Course | Lecture 3

Lecture 4: Loops in Java | Java Placement Full Course | Lecture 4

Lecture 5: 9 Best Patterns Questions In Java (for Beginners) | Java Placement Course | Lecture 5

Lecture 6: Advanced Pattern Questions | Java | Complete Placement Course - Lecture 6

Lecture 7: Functions & Methods | Java Complete Placement Course | Lecture 7

Lecture 8: Functions in Java | Practice Questions | Complete Placement Course | Lecture 8

Lecture 9: Basics of Time Complexity and Space Complexity | Java | Complete Placement Course | Lecture 9

Lecture 10: Arrays Introduction | Java Complete Placement Course | Lecture 10

Lecture 11: 2D Arrays | Java Complete Placement Course | Lecture 11

Lecture 12: Strings | Lecture 12 | Java Placement Series

Lecture 13: String Builder | Java Placement Course Lecture 13

Lecture 14: Operators & Binary Number System | Java Lecture 14

Lecture 15: Bit Manipulation | Java Placement Course | Lecture 15

Lecture 16: Sorting in Java | Bubble Sort, Selection Sort & Insertion Sort | Java Placement Course

Lecture 17: Recursion in One Shot | Theory + Question Practice + Code | Level 1 - Easy

Lecture 18: Recursion in One Shot | 9 Best Problems

Lecture 19: Recursion One Shot - Advanced Level Questions | Placement (Tech)

Lecture 20: Backtracking | N Queens Problem | Permutations | The Java Placement Course | Apna College |

Lecture 21: Java Sudoku Solver | Backtracking | Java Placement Course

Lecture 22: Merge Sort | For Beginners | Java Placement Course

Lecture 23: Quick Sort For Beginners | Java Placement Course | ‪@ApnaCollegeOfficial‬

Lecture 24: Java OOPs in One Shot | Object Oriented Programming | Java Language | Placement Course

Lecture 25: ArrayList In Java + Notes | Java Placement Course

Lecture 26: Java Collections Framework | Java Placement Course

Lecture 27: Introduction to Linked List | Data Structures & Algorithms | Java Placement Course

Lecture 28: How to Reverse a Linked List? | Iterative + Recursive | Java Placement Course

Lecture 29: Most IMPORTANT Linked List Questions for Placements | Java Full Course

Lecture 30: Stack Data Structure in One Video | Java Placement Course

Lecture 31: Complete Queue Data Structure | in One Shot | Java Placement Course

Lecture 32: Binary Tree in Data Structures | All about Binary Tree | DSA Course

Lecture 33: Binary Search Trees | BST in One Video | Java Placement Course | Data Structures & Algorithms

Lecture 34: HashSet in Java | Hashing | Java Placement Course | Data Structures & Algorithms

Lecture 35: HashMap in Java | Hashing | Java Placement Course | Data Structures & Algorithms

Lecture 36: HashMap Implementation in Java | HashMap | Java with DSA

Lecture 37: Hashing in Java | One Shot | 5 Best Questions

Lecture 38: Trie Data Structure | Java DSA Course

Lecture 39: Graph Data Structure | Tutorial for Graphs in Data Structures