Lesson 67 of 71
Introduction to Hashset and Important Problems | DSA in Java Full Course for Beginners | Lecture 62
Lessons71 lessons
- 1Introduction to Java | Java Architecture | Lecture 1 | Java and DSA Foundation Course
- 2Java in One Shot | Revision - 1 | Output, Input, Variables, Operators | Java Course
- 3Visual Studio Code Installation on M1 Mac, Windows & Intel Mac | VS Code for Java, C & C++
- 4IntelliJ Idea Installation | Lecture 2 | Java and DSA Foundation Course
- 5Variables & Input/Output in Java | Lecture 3 | Java and DSA Foundation Course
- 6Taking Input in Java : Scanner Class | Lecture 4 | Java and DSA Foundation Course
- 7Operators in Java | Lecture 5 | Java and DSA Foundation Course
- 8Bitwise Operators | Java and DSA Foundation Course
- 9If Else in Java | Revision 2 | Java and DSA Course
- 10If Else & Switch Statement | Conditionals in Java | Lecture 6 | Java and DSA Foundation Course
- 11Loops in Java | For/While/Do-while | Lecture 7 | Java and DSA Foundation Course
- 12Problems on Loops - Part 1 | Using Operators | Lecture 8 | Java and DSA Foundation Course
- 13The author has deleted or hidden this video.
- 14Problems on Loops - Part 2 | Pattern Printing Problems | Lecture 9 | Java and DSA Foundation Course
- 15Number Systems | Decimal & Binary | Lecture 10 | Java and DSA Foundation Course
- 16Introduction to OOPs | Classes and Objects | Lecture 11 | Java and DSA Foundation Course
- 17Java Methods | Declaring and Calling Methods | Lecture 12 | Java and DSA Foundation Course
- 18Methods & Scope | Pass by Value & Pass by Reference | Lecture 13 | Java and DSA Foundation Course
- 19Arrays | Types, Declaration, Creation, Operations | Lecture 14 | Java and DSA Foundation Course
- 20Arrays- 2| Taking Input, Array Reference, Cloning and Copy |Lecture 15| Java & DSA Foundation Course
- 21Target Sum | Intermediate Coding Practice in Arrays | Lecture 16 | Java and DSA Foundation
- 22Arrays 4 | Basic Problem Solving - 2 | Lecture 17 | Java and DSA Foundation Course
- 23Two Pointers | Advanced Problem Solving in Arrays | Lecture 18 | Java and DSA Foundation
- 24Arrays 6 | Prefix Sum Problems Solving | Lecture 19 | Java and DSA Foundation Course
- 252D Arrays | Why use them, Taking 2D Arrays as Input | Lecture 20 | Java and DSA Foundation Course
- 262D Arrays Practice | Matrix Transpose & Rotation, Pascal's Triangle | Lecture 21 | Java & DSA Course
- 272D Arrays Problem Solving-2 | Spiral Matrix Traversal & Generation | Lecture 22 | Java & DSA Course
- 28Problem Solving in 2D Arrays - 3 | Prefix Sum | Lecture 23 | Java and DSA Foundation Course
- 29Java & DSA Course | Arraylist in Java | Collections, Lists, Arraylist Methods & Problem | Lecture 24
- 30Time and Space Complexity and Big O Notation | How to avoid TLE | Lecture 25 | Java and DSA Course
- 31Calculating Time Complexity | Problem Solving | Lecture 26 | Java and DSA Foundation Course
- 32Recursion | Recursion concept and problems | Lecture 27 | Java and DSA Course
- 33Problem Solving on Recursion-1 | Factorial & nth fibonacci number | Lecture 28 | Java and DSA Course
- 34Problem Solving on Recursion 2 | Sum of digits & power of a number | Lecture 29 | Java & DSA Course
- 35Recursion Questions - 3 | k multiples | Alternate Sum Series | | Lecture 30 | Java and DSA Course
- 36Recursion Questions - 4 | GCD | Euclids Algorithm | Lecture 31 | Java & DSA Course
- 37Recursion Questions 5 | Recursion on Arrays | Max Value | Sum of arrays | 32 | Java & DSA Course
- 38Recursion Questions - 6 | Linear Search | Find all indices | Lecture 33 | Java and DSA Course
- 39Recursion Questions - 7 | Recursion on Strings | Remove occurences | Lecture 34 | Java & DSA Course
- 40Recursion Questions - 8 | Find Subsequences | Subsets | Lecture 35 | Java and DSA Course
- 41Recursion Questions 9 | Recursion on Array & Strings | Frog Problem | Lecture 36 | Java & DSA Course
- 42Bubble Sort Algorithm | Optimized Bubble Sort | Lecture-37 | Java and DSA Foundation course
- 43Selection Sort Algorithm | Lecture-38 | Java and DSA Foundation course
- 44Insertion Sort Algorithm | Lecture-39 | Java and DSA Foundation course
- 45Problem on Sorting Algorithms-1 | Lecture-40 | Java and DSA Foundation course
- 46Merge Sort Algorithm | Lecture-41 | Java and DSA Foundation course
- 47Quick Sort Algorithm | Lecture-42 | Java and DSA Foundation course
- 48Count Sort | Bucket Sort | Radix Sort | Lecture-43 | Java and DSA Foundation course
- 49Problem Solving on Sorting Algorithms-2 | Lecture-44 | Java and DSA Foundation Course
- 50Binary Search Algorithm | Lecture-45 | Java and DSA Foundation course
- 51Search in Rotated Sorted Array Pattern 1 | Lecture-46 | Java & DSA Foundation course
- 52Binary Search Problems - 2 | Lecture-47 | Java and DSA Foundation course
- 53Binary Search on answer value Pattern| Lecture - 48 | Java and DSA Foundation Course
- 54Strings in One Shot | Java Lecture 49 | java srings | strings | stringbuilder |
- 55Java OOPS One Shot | Java and DSA Foundation course
- 56Linked List in Java - Part 1 | Lecture 51 | Java and DSA Foundation Course
- 57Linked List INTERVIEW QUESTIONS in 5 Hours | Java and DSA Foundation course
- 58Doubly Linked List and Circular Linked List in Java | Lecture 53 | Java and DSA Course
- 59Stacks : Basic, STL and Implementation | Lecture 54 | Java and DSA Course
- 60Stacks: Interview Questions | Leetcode Problems | DSA in Java Full Course for Beginners | Lecture 55
- 61Stacks - Infix, Prefix and Postfix expressions | DSA in Java Full Course for Beginners | Lecture 56
- 62Queues - Basic, STL and Implementation | DSA in Java Full Course for Beginners | Lecture 57
- 63Queue Interview Questions and LeetCode Problems in Java | DSA Lecture 58
- 64Java Collections Framework in One Shot | DSA in Java Full Course for Beginners | Lecture 59
- 65Hashmap in Java | Hashing, Collisions and Rehashing | DSA Lecture 60
- 66Hashmap - Important Problems | Anagram | DSA in Java Full Course for Beginners | Lecture 61
- 67Introduction to Hashset and Important Problems | DSA in Java Full Course for Beginners | Lecture 62
- 68Backtracking Part 1 in Java | N-Queens and Rat in a Maze | DSA Lecture 63
- 69Backtracking Part 2 in Java | Sudoku Solver and N-Knights | DSA Lecture 64
- 70C++ and Java Course Update | New Learning Content and Course Details
- 71Binary Trees in One Shot | Complete DSA in Java for Beginners