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41 results

DiscoDurodeRoer
HashMap in Java explained simply: keys, values ​​and real-world examples

In this video, you'll learn how to use HashMaps in Java SE from scratch through a practical and very common exercise ...

8:59
HashMap in Java explained simply: keys, values ​​and real-world examples

54 views

1 day ago

DiscoDurodeRoer
HashSet in Java explained easily | Sets without duplicates

In this video, you'll learn how to use HashSet in Java, a dynamic structure ideal for quick searches and avoiding duplicate ...

8:38
HashSet in Java explained easily | Sets without duplicates

55 views

6 days ago

Franco Callipo | Profesor particular
Java | HashSets

Repositorio en GitHub con ejercicios: https://github.com/fcallipo/ejerciciosYouTube/tree/main/c%2B%2B.

4:50
Java | HashSets

0 views

4 days ago

Harshit Trehan
Fastest Way to Learn DSA in Java | Full Roadmap 2026

Checkout GeeksforGeeks Three 90 Challenge:- https://gfgcdn.com/tu/WO4/ Fastest Way to Learn DSA in Java | Full Roadmap ...

10:50
Fastest Way to Learn DSA in Java | Full Roadmap 2026

7,949 views

2 days ago

NM Shakib
1. Two Sum || Using JAVA HashTable

Follow me here: Linkedin: https://www.linkedin.com/in/md-sihab8777262b2/ Leetcode: https://leetcode.com/u/mdshihab1122/ ...

5:16
1. Two Sum || Using JAVA HashTable

0 views

4 days ago

Franco Callipo | Profesor particular
Java | HashMaps

Repositorio en GitHub con ejercicios: https://github.com/fcallipo/ejerciciosYouTube/tree/main/c%2B%2B.

7:45
Java | HashMaps

0 views

1 day ago

Craft In Tech
Two Sum Problem in Java | Optimized HashMap Solution Explained | 2026

In this video, we solve the Two Sum problem in Java, one of the most frequently asked coding interview questions. You will learn: ...

8:34
Two Sum Problem in Java | Optimized HashMap Solution Explained | 2026

0 views

1 day ago

EDUCATA - MP Dte Counselling & Placement Prep
13.3 | Bit manipulation | Store negative numbers in binary | Java and DSA

Welcome to the Java Data Structures and Algorithms (DSA) Course on Educata Placement Prep! Playlist of the complete ...

14:02
13.3 | Bit manipulation | Store negative numbers in binary | Java and DSA

3 views

6 days ago

Yashaswee Kesharwani
Valid Anagram Explained from First Principles | 7 Core Intuitions & 6 Interview Approaches | Java

In this video, we solve the **Valid Anagram** problem by building the solution step by step using **first-principles thinking**, ...

15:00
Valid Anagram Explained from First Principles | 7 Core Intuitions & 6 Interview Approaches | Java

10 views

4 days ago

Vocational Door
LeetCode #13 – Roman to Integer | Java Logic That You'll Never Forget!

Welcome to this quick and clear explanation of LeetCode 13: Roman to Integer using Java! In this video, we break down the ...

9:50
LeetCode #13 – Roman to Integer | Java Logic That You'll Never Forget!

21 views

11 hours ago

EDUCATA - MP Dte Counselling & Placement Prep
13.5 | Bit Manipulation | Set,Get,Clear,Update methods using bitwise operators| Java and DSA

Welcome to the Java Data Structures and Algorithms (DSA) Course on Educata Placement Prep! Playlist of the complete ...

18:13
13.5 | Bit Manipulation | Set,Get,Clear,Update methods using bitwise operators| Java and DSA

22 views

6 days ago

Shan SDET
how to find the character count in int array java #interviewquestions #javaprogramming
14:09
how to find the character count in int array java #interviewquestions #javaprogramming

10 views

5 days ago

EDUCATA - MP Dte Counselling & Placement Prep
13.6 | Bitwise Manipulation| Problem | Clear last I bits | Java and DSA

Welcome to the Java Data Structures and Algorithms (DSA) Course on Educata Placement Prep! Playlist of the complete ...

6:02
13.6 | Bitwise Manipulation| Problem | Clear last I bits | Java and DSA

2 views

4 days ago

EDUCATA - MP Dte Counselling & Placement Prep
13.10 | Bit Manipulation | Fast Exponentiation | Java and DSA

Welcome to the Java Data Structures and Algorithms (DSA) Course on Educata Placement Prep! Playlist of the complete ...

9:13
13.10 | Bit Manipulation | Fast Exponentiation | Java and DSA

0 views

4 days ago

EDUCATA - MP Dte Counselling & Placement Prep
13.9 | Bit Manipulation | Problem | Count set bits | Java and DSA

Welcome to the Java Data Structures and Algorithms (DSA) Course on Educata Placement Prep! Playlist of the complete ...

6:01
13.9 | Bit Manipulation | Problem | Count set bits | Java and DSA

0 views

4 days ago

EDUCATA - MP Dte Counselling & Placement Prep
13.8 | Bit Manipulation| Problem | Check if a number is power of 2 | Java and DSA

Welcome to the Java Data Structures and Algorithms (DSA) Course on Educata Placement Prep! Playlist of the complete ...

4:58
13.8 | Bit Manipulation| Problem | Check if a number is power of 2 | Java and DSA

6 views

4 days ago

EDUCATA - MP Dte Counselling & Placement Prep
13.2 | Bit Manipulation | Bitwise operators | Java and DSA

Welcome to the Java Data Structures and Algorithms (DSA) Course on Educata Placement Prep! Playlist of the complete ...

14:03
13.2 | Bit Manipulation | Bitwise operators | Java and DSA

2 views

6 days ago

KumarsLogic
Master Arrays for Coding Interviews: Complexity, Operations & Hidden Mechanics

Stop memorizing code and start understanding how computers actually think. In this video, we tear down the most fundamental ...

6:02
Master Arrays for Coding Interviews: Complexity, Operations & Hidden Mechanics

3 views

3 days ago

EDUCATA - MP Dte Counselling & Placement Prep
13.7 | Bit Manipulation| | Problem| Clear a range of bits | Java and DSA

Welcome to the Java Data Structures and Algorithms (DSA) Course on Educata Placement Prep! Playlist of the complete ...

11:18
13.7 | Bit Manipulation| | Problem| Clear a range of bits | Java and DSA

4 views

4 days ago

CodeLucky
Insert Delete GetRandom O(1) - Duplicates Allowed | Coding Interview Problem

Learn how to design a data structure that supports Insert, Delete, and GetRandom operations in constant time O(1), even when ...

4:40
Insert Delete GetRandom O(1) - Duplicates Allowed | Coding Interview Problem

6 views

6 days ago