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Java Programming

@Java_Programming_Notes

On this record: Topic · Growth · Engagement · Reactions · Posts · Polls · Citations · Telegram's recommendations · Cite this entry

32,908subscribers

-351 since we began measuring on 6 August 2026

Risers and fallers across the register · movement among entries of 31,623–100,000.

Register entry

Telegram ID-1002139463293
TypeChannel
Username@Java_Programming_Notes
CreatedBetween 1 November 2023 and 31 May 2024 — estimated from Telegram’s id allocation, not measured. How this range is calculated.
First recorded6 August 2026
Last confirmed live11 November 2026
Measurements held65
Confirmed unchanged1 time, most recently 11 November 2026
On Telegramt.me/Java_Programming_Notes

Topic

Education — a classification, not a measurement. An on-box language model (Qwen3.6-35B-A3B-FP8, prompt version 1) read this channel’s own recent posts on 9 September 2026 and assigned it the closest of 31 fixed categories, at 100% confidence. This is a model’s judgement about what the channel is likely to be about, not a fact this register measured the way a subscriber count or a view count is measured — it can be revised on a later pass, and it carries no weight anywhere else on this page. How this classification works, and the other topics.

Growth

32,90833,39333,150.56 August 202611 November 2026
65 measurements spanning 97 days, net -351. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 32,835–33,466 and does not start at zero.
Measurement log — every subscribers count we have recorded, most recent 20 of 65
Measured (UTC)SubscribersChange
11 Nov 2026, 10:0632,908-9
9 Nov 2026, 16:3632,917-33
8 Nov 2026, 10:1632,950-22
7 Nov 2026, 05:3732,972-20
6 Nov 2026, 04:1832,992-4
5 Nov 2026, 04:1032,996-19
4 Nov 2026, 04:4933,015-10
3 Nov 2026, 07:3033,025+2
2 Nov 2026, 07:1833,023-2
1 Nov 2026, 07:3733,025-12
31 Oct 2026, 07:2833,037-2
30 Oct 2026, 04:4933,039-14
29 Oct 2026, 08:1733,053-6
28 Oct 2026, 08:3033,059-9
27 Oct 2026, 06:1533,068-4
26 Oct 2026, 02:5633,072-11
25 Oct 2026, 03:1833,083-9
24 Oct 2026, 03:0233,092-11
23 Oct 2026, 03:2833,103-5
22 Oct 2026, 00:3833,108first reading

Engagement

30 posts held, back to 22 February 2026 — the reader has not yet reached the start of this channel’s public history, so older posts may sit further back, unread. Read across 174 pages of Telegram’s post history, 20 posts per page.

ERR · 30 days
2.28%
avg views ÷ 32,908 subscribers
Avg views / post
750
3 posts measured
Reaction rate
1.73%
reactions ÷ views · ER floor
Posts in window
3
of 30 held

ERR is average views per post over the last 30 days divided by subscribers, the definition TGStat uses, so this figure is comparable with the one you will see elsewhere. It falls structurally as a channel grows: a high ERR on a small channel and a low one on a large channel describe reach mathematics, not quality. We publish the figure and the sample it came from and pass no verdict on it.

ER is defined industry-wide as (forwards + reactions + comments) ÷ views — note the denominator is views, not subscribers. Telegram’s public web preview carries views and reactions but not forward or comment counts, so the reaction rate above is the reactions term only and is therefore a floor: the true ER for this channel is higher by an amount we have not measured and will not estimate.

What these figures were computed from
WindowRolling 30 days · latest post in window 8 November 2026
Posts held30 (22 February 2026 – 8 November 2026)
Views total2,251
Reactions total39
Forwards / commentsnot exposed by the public surface — not measured, not estimated
Readings taken11 Nov 2026, 07:23 UTC

Views are a single reading per post, taken at the time above. A post published in the last day or two is still accumulating views, which pulls the 30-day average down slightly. That is a property of the standard definition rather than a fault in it, so we keep the definition rather than “correcting” the number into something nobody can reproduce.

Precision. Telegram publishes view counts on its public widget in short form — 8.12K, 3.7M — so any reading at or above 1,000 reaches us rounded to three significant figures, and only counts below 1,000 are exact. Averages and rates derived from them are shown to the same precision rather than to the unit: a figure like 3,701,250 would assert digits nobody measured.

Reaction counts are published per emoji and rounded the same way, so a total below 1,000 is exact and a larger one is a sum that may carry a rounded component from each emoji above 1,000. Because it is a sum, it does not look rounded — read a large reaction total as three significant figures per contributing emoji rather than as the figure it prints.

Reaction mix

319 reactions across 27 posts, in 7 distinct kinds. The most used accounts for 89.0% of them.

Every reaction kind recorded on the sample, most used first
ReactionCountShareShare, drawn
❤28489.0%
👍278.46%
🔥30.94%
👌20.627%
👨‍💻10.313%
🖕10.313%
😁10.313%

No sentiment is inferred, and none should be read in. This table is ordered by count and by nothing else. Emoji do not carry stable meaning across languages or communities — 🙏 is thanks in one channel and mourning in another — so we publish which ones were pressed and how often, and pass no judgement on what an audience meant by them.

Precision. Telegram publishes reaction counts per emoji and short-forms each one — 4.34K, 1.2M — so any single kind at or above 1,000 reaches us at three significant figures, and only counts below 1,000 are exact. The shares above are ratios of those figures and carry the same error. This is also why the total here can differ slightly from a reaction total printed elsewhere on the page: both are sums of the same rounded parts, taken over samples with different edges.

Coverage. Reactions were read on 28 of the 30 sampled posts in this sample. Summed by Telegram’s own count on each post — not by adding up the per-emoji breakdown above — those same posts carry 319 reactions in total: the kind of figure the paragraph above means by “a reaction total printed elsewhere on the page”.

Measured over the 30 most recent posts we hold, published 22 February 2026 to 8 November 2026, using the newest reading held for each. Telegram Stars are excluded: they are a payment, not a reaction, and they have their own section.

Recent posts

Telegram’s own ‘edited’ marker: 1 of 3 posts held from the last 30 days (33.3%) carried it when this register last read them. The marker says a post was changed after publishing, not what it said before — this register holds the earlier wording only where an edit fell between two of its own reads (see the edit ledger and how it is measured).

8 Nov 2026, 11:59 UTC582 views11 reactionsread 11 November 2026

5. What Are .java and .class Files? .java file: • Contains Java source code. • Written by the programmer. • Human-readable. • Compiled using javac. .class file: • Contains compiled Java bytecode. • Generated by the Java compiler. • Executed by the JVM. 6. Basic Java Program Structure Let's understand the previous program line by line. Explanation: • public: Access modifier. • class: Used to define a cla…

❤9🔥2

8 Nov 2026, 11:59 UTC539 views1 reactionsread 11 November 2026

☕ Hi guys! Thanks for the amazing response on the last post. Let's start our Java Programming Fundamentals series Day 1: Introduction to Java Programming 1. What is Java? Java is a high-level, object-oriented programming language used to develop different types of applications. It was developed by James Gosling and his team at Sun Microsystems and officially released in 1995. Java is widely used for: • Web app…

❤1

3 Nov 2026, 11:18 UTC≈1,130 views27 reactionsread 11 November 2026
Photo

Double Tap ❤️ For Detailed Explanation of Each Topic

❤26👍1

23 Sept 2026, 19:20 UTC≈3,390 views9 reactionsread 11 November 2026
Photo

Important LLM Terms 🔹 Transformer Architecture 🔹 Attention Mechanism 🔹 Pre-training 🔹 Fine-tuning 🔹 Parameters 🔹 Self-Attention 🔹 Embeddings 🔹 Context Window 🔹 Masked Language Modeling (MLM) 🔹 Causal Language Modeling (CLM) 🔹 Multi-Head Attention 🔹 Tokenization 🔹 Zero-Shot Learning 🔹 Few-Shot Learning 🔹 Transfer Learning 🔹 Overfitting 🔹 Inference 🔹 Language Model Decoding 🔹 Hallucination 🔹 Latency

❤8🔥1

19 Sept 2026, 20:55 UTC≈3,410 views14 reactionsread 11 November 2026

Java projects with tutorial 🚀 Supermarket Management: https://youtube.com/playlist?list=PL-cxzMmn1xXEvQLajE2zYEfeF11lISJ0c&si=RwNa9HRFsrfFYvIy Bank Management: https://youtube.com/playlist?list=PL_6klLfS1WqE1-_MJgZiJqAaccjLGHh0H&si=mw6PqEsAhrYskQjg Cafe Management: https://youtube.com/playlist?list=PLdRq0mbeEBmwdwZF3lWwCcWmD76GfEFVT&si=opkQC14_5p3t0xBp Chatbot: https://youtu.be/QP4HsdEPd-M?si=flwWw07VrWxr8qVY Vo…

❤13👨‍💻1

15 Sept 2026, 18:23 UTC≈1,590 views2 reactionsread 11 November 2026

📁 Java File Handling (Important ⭐) File Handling allows Java programs to create, read, write, update, and delete files. It is useful when your application needs to work with data stored outside the program. Examples: • 📄 Reading a text file • 📝 Writing data to a file • 📊 Processing CSV files • 📋 Creating reports • 💾 Storing application data ✅ 1️⃣ What is File Handling? File Handling means performing operati…

❤2

15 Sept 2026, 18:23 UTC≈2,340 views3 reactionsread 11 November 2026

import java.io.BufferedWriter; import java.io.FileWriter; import java.io.IOException; class WriteFile { public static void main(String[] args) throws IOException { BufferedWriter writer = new BufferedWriter(new FileWriter("data.txt")); writer.write("Java File Handling"); writer.newLine(); writer.write("Learning Java"); writer.close(); } } 🔥 1️⃣0️⃣ Delet…

❤3

15 Sept 2026, 18:23 UTC≈3,290 views8 reactionsread 11 November 2026

Q5. Why should files be closed? 👉 To release resources and ensure pending data is properly written. Q6. What is try-with-resources? 👉 A feature that automatically closes resources implementing "AutoCloseable". 🚀 Quick Revision File → File information & operations FileWriter → Write characters FileReader → Read characters BufferedWriter → Efficient text writing BufferedReader → Efficient line-by-line reading …

❤7👍1

14 Sept 2026, 12:50 UTC≈2,090 views5 reactionsread 11 November 2026

Best YouTube Playlists to learn Programming 👇 1/ Python: https://www.youtube.com/playlist?list=PL-osiE80TeTt2d9bfVyTiXJA-UTHn6WwU 2/ Java: https://www.youtube.com/playlist?list=PLZPZq0r_RZOMhCAyywfnYLlrjiVOkdAI1 3/ C++: https://www.youtube.com/playlist?list=PLlrATfBNZ98dudnM48yfGUldqGD0S4FFb 4/ C: https://www.youtube.com/playlist?list=PLhQjrBD2T382_R182iC2gNZI9HzWFMC_8 5/ Machine Learning: https://www.youtube.co…

❤5

6 Sept 2026, 20:25 UTC≈3,280 views10 reactionsread 11 November 2026

When to Use Which Programming Language? C ➝ OS Development, Embedded Systems, Game Engines C++ ➝ Game Dev, High-Performance Apps, Finance Java ➝ Enterprise Apps, Android, Backend C# ➝ Unity Games, Windows Apps Python ➝ AI/ML, Data, Automation, Web Dev JavaScript ➝ Frontend, Full-Stack, Web Games Golang ➝ Cloud Services, APIs, Networking Swift ➝ iOS/macOS Apps Kotlin ➝ Android, Backend PHP ➝ Web Dev (WordPress, Larav…

❤9👍1

5 Aug 2026, 07:42 UTC≈5,470 views1 reactionsread 11 November 2026
Photo

🚨 BREAKING: PW Skills x Microsoft just launched The Complete Live Gen AI Engineering Program Generative AI isn't the future anymore, it's the present. And now you can master it live, with Microsoft's backing behind you. Learn Agentic AI, LLMOps & real-world AI Development, taught through live interactive classes, in Hinglish, over a structured 5-month journey. 🎓 Bonus: Includes a Premium Microsoft Module, added cr…

❤1

24 Jul 2026, 15:14 UTC≈5,760 views12 reactionsread 11 November 2026

Java Basics every beginner should learn to build a strong foundation: 1. Hello World & Setup Install JDK and an IDE (like IntelliJ or Eclipse) Write your first program: public class HelloWorld 2. Data Types & Variables Primitive types: int, double, char, boolean Non-primitive types: String, Arrays, Objects Type casting (implicit & explicit) 3. Operators Arithmetic: + - * / % Comparison: == != > < >= <= Log…

❤12

Showing the 12 most recent of 30 posts we hold for @Java_Programming_Notes. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked ≈ was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.

Polls

The 6 most recent of 9 polls we hold for this entry, as Telegram rendered them when we read the post. A poll’s figures keep moving after that, so each one is dated.

20 Mar 2026, 15:56 UTCAnonymous Quiz1,200 voters approx.

Which primitive data type is used to store true or false values?

  1. A) char5%
  2. B) boolean90%
  3. C) int4%
  4. D) float2%

Shares as published, totalling 101%. No per-option vote count is published by Telegram, so none is shown.

20 Mar 2026, 15:56 UTCAnonymous Quiz1,140 voters approx.

Which keyword is used to create a constant in Java?

  1. A) static19%
  2. B) const46%
  3. C) final32%
  4. D) immutable3%

Shares as published. No per-option vote count is published by Telegram, so none is shown.

20 Mar 2026, 15:55 UTCAnonymous Quiz1,070 voters approx.

Which of the following is NOT a primitive data type in Java?

  1. A) int5%
  2. B) double14%
  3. C) String65%
  4. D) boolean16%

Shares as published. No per-option vote count is published by Telegram, so none is shown.

20 Mar 2026, 15:55 UTCAnonymous Quiz1,040 voters approx.

Which of the following is a valid declaration of a variable in Java?

  1. A) int 1age = 25;3%
  2. B) int age = 25;93%
  3. C) int age-1 = 25;3%
  4. D) int age# = 25;1%

Shares as published. No per-option vote count is published by Telegram, so none is shown.

4 Mar 2026, 15:45 UTCAnonymous Quiz1,010 voters approx.

Which method is the entry point of a Java program?

  1. A) start()10%
  2. B) run()3%
  3. C) main()85%
  4. D) execute()2%

Shares as published. No per-option vote count is published by Telegram, so none is shown.

4 Mar 2026, 15:44 UTCAnonymous Quiz1,020 voters approx.

What is the extension of a compiled Java file?

  1. A) .java56%
  2. B) .class36%
  3. C) .exe5%
  4. D) .byte2%

Shares as published, totalling 99%. No per-option vote count is published by Telegram, so none is shown.

Percentages only — there are no per-option vote counts here, because Telegram publishes none. The public post preview gives each option’s share and a single voter total, and nothing else. Multiplying one by the other would produce a per-option tally that looks measured and is not: the shares are rounded to whole numbers before we ever see them. We print what was published and leave the column that does not exist empty.

The shares need not add up to 100. Rounding alone puts many polls at 99 or 101. A poll that allows more than one answer per voter runs well past 100 by design, and several here do. The bars are drawn against a fixed 100% track at each option’s own percentage rather than normalised to the total, so a poll that exceeds it shows that it does instead of being quietly rescaled.

Read from the 30 most recent posts we hold, published 22 February 2026 to 8 November 2026. Telegram labels each poll by kind — an anonymous poll, a quiz, a closed set of final results — and that label is reproduced rather than paraphrased.

Mentions

Named by 4 registered channels — every channel on the register whose own posts have named this one, by its current username or any other username it currently holds, merged from two separately captured readings of the same fact so a namer caught by only one of them is not missed and a namer both caught is not counted twice. A username this channel has since dropped is not matched — that handle may belong to someone else now, and crediting today’s namer to yesterday’s owner would misattribute it.

A mention is a weaker signal than a forward and is counted separately for that reason — naming a channel is not republishing it, and a handle in a post body is easy to place deliberately. The post counts beside each row below are distinct posts in which the handle appeared, from posts we have read on both sides — the “Named by N registered channels” figure above is a different count, of distinct NAMING CHANNELS rather than posts, and is not the sum of the rows under it.

Appears in Telegram’s recommendations for other channels

The reverse of the list above, and a different kind of signal. This does not require this channel to have ever been asked about directly — each row below is a channel we DID ask Telegram about, whose Telegram-generated list happened to include this one. A channel can appear here with an empty list above it, because being named by someone else’s query is independent of having been queried itself.

Web Development - HTML, CSS & JavaScript
@javascript_courses · 55,621
Telegram ranks this channel #10 of 77 here — alongside 76 others — read 23 August 2026
Programming Resources | Python | Javascript | Artificial Intelligence Updates | Computer Science Courses | AI Books
@programming_guide · 55,731
Telegram ranks this channel #18 of 84 here — alongside 83 others — read 23 August 2026
SQL Programming Resources
@sqlanalyst · 76,328
Telegram ranks this channel #19 of 85 here — alongside 84 others — read 19 August 2026
Software Developer Jobs & IT Internships
@internshiptojobs · 48,365
Telegram ranks this channel #20 of 84 here — alongside 83 others — read 26 August 2026
Web Development
@webdevcoursefree · 79,292
Telegram ranks this channel #24 of 79 here — alongside 78 others — read 19 August 2026
Jobs | Internships | Placement | Interviews
@getjobss · 112,921
Telegram ranks this channel #29 of 83 here — alongside 82 others — read 14 August 2026
Coding Projects
@Programming_experts · 67,940
Telegram ranks this channel #30 of 84 here — alongside 83 others — read 20 August 2026
Coding Interview Resources
@crackingthecodinginterview · 51,888
Telegram ranks this channel #31 of 83 here — alongside 82 others — read 24 August 2026
Data Analyst Interview Resources
@dataanalystinterview · 52,191
Telegram ranks this channel #33 of 85 here — alongside 84 others — read 24 August 2026
Data Analysis Books | Python | SQL | Excel | Artificial Intelligence | Power BI | Tableau | AI Resources
@learndataanalysis · 53,250
Telegram ranks this channel #34 of 83 here — alongside 82 others — read 24 August 2026
Best AI Tools | ChatGPT | Perplexity | Deepseek | Artificial Intelligence
@AI_Best_Tools · 60,007
Telegram ranks this channel #34 of 82 here — alongside 81 others — read 23 August 2026
Python for Data Analysts
@pythonanalyst · 51,486
Telegram ranks this channel #37 of 82 here — alongside 81 others — read 24 August 2026
Python Projects & Resources
@pythondevelopersindia · 63,326
Telegram ranks this channel #37 of 86 here — alongside 85 others — read 21 August 2026
Python Programming Books
@dsabooks · 59,013
Telegram ranks this channel #39 of 89 here — alongside 88 others — read 22 August 2026
Power BI & Tableau Resources
@PowerBI_analyst · 55,653
Telegram ranks this channel #44 of 84 here — alongside 83 others — read 23 August 2026
Data Science Projects
@pythonspecialist · 56,410
Telegram ranks this channel #48 of 89 here — alongside 88 others — read 23 August 2026
Data Analyst Jobs
@jobs_SQL · 90,993
Telegram ranks this channel #49 of 86 here — alongside 85 others — read 17 August 2026
MS Excel for Data Analysis
@excel_analyst · 73,317
Telegram ranks this channel #52 of 84 here — alongside 83 others — read 20 August 2026
Data Science & Machine Learning
@datasciencefun · 77,697
Telegram ranks this channel #52 of 85 here — alongside 84 others — read 19 August 2026
Artificial Intelligence
@machinelearning_deeplearning · 56,702
Telegram ranks this channel #56 of 86 here — alongside 85 others — read 23 August 2026
Udemy Free Courses | Coding | ChatGPT | AI Crypto | Microsoft Certificate | Artificial Intelligence
@udemy_free_courses_with_certi · 70,309
Telegram ranks this channel #59 of 80 here — alongside 79 others — read 20 August 2026
Way2Freshers
@way2freshers · 108,443
Telegram ranks this channel #59 of 92 here — alongside 91 others — read 14 August 2026
STUDY MATERIAL - Placement Jobs & Materials
@studymaterial_IT · 90,003
Telegram ranks this channel #61 of 79 here — alongside 78 others — read 16 August 2026
AI Prompts | ChatGPT | Google Gemini | Claude
@aiindi · 60,146
Telegram ranks this channel #63 of 85 here — alongside 84 others — read 23 August 2026

This channel appears in 28 seed channels' Telegram-generated recommendation lists in total, of which the 24 where it ranks highest are shown above. Each is Telegram’s list for THAT channel, not this one — see how this is measured.

Cite this entry

A live page changes as we take new readings, so a citation should name the measurement it is based on, not just the URL. The line below cites the subscriber count as measured 11 November 2026 — this entry's latest reading, not the date you are reading this.

“Java Programming” (@Java_Programming_Notes), 32,908 subscribers as measured 11 November 2026. Telegram Register, tgregister.com/channel/Java_Programming_Notes.

Full measurement history, CC BY 4.0. Every reading this register holds for this entry, not just the latest one, as a dated, downloadable record: CSV · JSON. Free to use with attribution to tgregister.com. Each file carries its own generation timestamp, which is the figure to cite for exactly when the data was retrieved.