256.9K
SAHow to MASTER Java for FREE #coding #java #compsci #fyp
@sajjaad.khader
#Java Coding Best Practices
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29.8K
CODid you know that Java behaves differently when comparing wrapper classes like Integer? 🤯
In this quiz, we test a simple line of code:
Integer a = 128;
Integer b = 128;
System.out.println(a == b);
Most beginners expect true, but the correct output is: ❌
👇 Watch the video to learn why Java outputs false here!
This happens because of Integer caching mechanism in Java — only values between -128 to 127 are cached. Anything outside that range creates a new object, so == compares references, not values. 🧠💡
---
🎯 You'll Learn:
✔ Java wrapper class behavior
✔ Integer caching
✔ Difference between == and .equals()
✔ Common Java interview question
---
💬 Comment below:
Did you get it right? 😎
---
🔍 Keywords:
Java quiz, Integer caching, Java interview question, wrapper classes, Java comparison, Java coding challenge, Java beginner tips, Java programming trick
---
📌 Hashtags:
#Java #JavaQuiz #CodingQuiz #ProgrammerLife #JavaInterview #JavaTips #CodingChallenge #LearnJava #DeveloperCommunity #ProgrammingFacts #JavaDeveloper #CodeSmart #SoftwareEngineer #TechLearning #programminghumor
@codewithprashantt
1.0M
SIJava developer quickly❤️🔥
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@sindhu__raja
220.4K
GEJava Projects to get you hired ✅
Source Code :
1. Store POS 🏬 : https://github.com/inforkgodara/store-pos
2. LAN Chat App 💬: https://github.com/PushpinderSinghGrewal/lan-chat-app
3. Metro Systems 🚇 : https://github.com/Sparsh6496/Metro_systems
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@geekydev.in
866.1K
DUJava's golden rule: Old concepts (general methods) always take precedence. Remember that, and you'll get the right answer. #JavaProgramming #CodingTips #TechFacts #SoftwareDev #LearnToCode #CodingLife
@durgajobsinfo
597.7K
SWI broke into FAANG by learning Java, here’s everything I did so you can copy me #coding #codingforbeginners #learntocode #codingtips #cs #cs #computerscience #java #faang #softwareengineer #bigtech
@swerikcodes
2.0M
CUJava developer❤️🤯
#coding #codingchallenge #java #javaprogramming #interviewskills #interviewtips
@curious_freakss
86.0K
SHI always thought coding was kinda boring—until I found this site that actually makes it fun. If you’ve ever wanted to learn but felt overwhelmed, this is a game-changer.
Yeah, tech can seem intimidating at first, but if you like a good challenge, you’ll never be bored. That first time you get your code to work? It’s a feeling you won’t forget.
#tech #coding #fyp #learning #programming #aesthetic
@shigcodes
819.3K
GRHi I’m Gargee, software developer in Walmart.
Here I’m sharing that will solve 90% of your problem
🧠 Foundational Knowledge
Basic Data Structures:
Arrays
Linked Lists
Stacks
Queues
Hash Tables / Hash Maps
Strings
Fundamental Algorithms:
Sorting (Bubble Sort, Quick Sort, Merge Sort, etc.)
Searching (Binary Search, Linear Search)
—
🚀 Intermediate Knowledge
Basic String Manipulations:
Substrings
Palindromes
Anagrams
Advanced Data Structures:
Trees (Binary Trees, Binary Search Trees, AVL Trees, Segment Trees)
Heaps
Graphs (Representation, Traversal techniques - BFS, DFS)
Tries
—
🔍 Advanced Algorithms
Dynamic Programming
Greedy Algorithms
Backtracking
Divide and Conquer
Bit Manipulation
Advanced Topics
—
🧩 Complex Data Structures:
Red-Black Trees
B-Trees
Fenwick Trees (Binary Indexed Trees)
Suffix Trees / Arrays
Complex Algorithms:
Advanced Graph Algorithms (Dijkstra’s, Floyd-Warshall, A*)
Network Flow (Ford-Fulkerson)
Computational Geometry
String Matching Algorithms (KMP, Rabin-Karp)
Problem-Solving Skills
—
🛠️ Practice:
Solve problems on platforms like LeetCode, HackerRank, CodeSignal, and Codeforces.
Aim to solve problems of varying difficulty (Easy, Medium, Hard).
—
🧠 Understanding:
Understand the underlying principles and logic behind algorithms and data structures.
Be able to explain your thought process and solutions clearly.
—
⏳ Time and Space Complexity:
Analyze and optimize the time and space complexity of your solutions.
Be comfortable with Big O notation and its implications.
#DSA #DataStructures #Algorithms #CodingInterview #LeetCode #HackerRank #Codeforces #CodeSignal #ProblemSolving #BigONotation #SystemDesign #TechCareers #InterviewPreparation #FAANG #SoftwareEngineering #CodingLife #ProgrammersLife #CareerGrowth #ComputerScience #CodingCommunity #PlacementPreparation #100DaysOfCode #CodingPractice #TechInterview
@grow.with.gargee
8.4K
CHComment "Java" for such more content...
Keywords:
[ Java roadmap, Java programming, learn Java, Java basics, Java OOP, Java collections, Java multithreading, Java exception handling, Java JDBC, Java mini project, Java for beginners, Java development, Java coding, Java tutorial, Java best practices ]
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@charan_techstudio
256.9K
SAMaster Java in 30 Days with these resources 💯
Follow me , then comment “Java” and send this reel to my DM to get resources Link 🔗
https://drive.google.com/file/d/19HpNNcnwEGTkZn4irnCXA7QOzfPXdEQn/view?usp=sharing
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@sagar_mee_
23.1K
COWelcome to Day 1 of the Java Mastery Series!
In today’s video, we answer the most important question:
Why learn Java in 2025?
Especially when AI is booming and languages like .NET, C++, C#, Python, Go & Rust are already strong in the industry.
Java is still:
• Fast
• Secure
• Stable
• Platform Independent
• Trusted by top companies
• And perfect for beginners & professionals
This series will take you from Basic to Advanced,
with clear explanations, animations, real examples & step-by-step concepts.
🔔 Day 02 drops tomorrow — “What is Java + Your First Program”
💙 Follow @codexjava_ for daily coding lessons!
#java #JavaDevelopers #JavaForBeginners #LearnJava #coding #Programming #tips #tricks #codexjava_ #TechReels #TechCommunity #programmingtips #programmingtutorial #100daysofcode #codenewbie
@codexjava_
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