Create Thread in Java | Core Java Multithreading Concepts | AshokIT

Published: 02 February 2026
on channel: Ashok IT
650
24

🧵 How to Create a Thread in Java – Explained Simply

Multithreading is one of the most important concepts in Core Java and is frequently asked in Java interviews.

In this video by Ashok IT, you will learn how to create threads in Java, understand different approaches, and know when to use which method, with clear examples and interview tips.

🔥 What You’ll Learn in This Video
🔹 1. What is a Thread?

✔️ Definition of a thread
✔️ Single-thread vs Multi-thread
✔️ Why multithreading is needed

🔹 2. Creating Thread by Extending Thread Class
class MyThread extends Thread {
public void run() {
System.out.println("Thread running");
}

public static void main(String[] args) {
MyThread t = new MyThread();
t.start();
}
}


✔️ Simple approach
✔️ Less flexible
✔️ Cannot extend another class

🔹 3. Creating Thread by Implementing Runnable Interface (Recommended)
class MyRunnable implements Runnable {
public void run() {
System.out.println("Thread running");
}

public static void main(String[] args) {
Thread t = new Thread(new MyRunnable());
t.start();
}
}


✔️ More flexible
✔️ Supports multiple inheritance
✔️ Best practice in real-time projects

🔹 4. Important Points (Interview Focus)

✔️ Difference between start() and run()
✔️ Why we prefer Runnable over Thread
✔️ Can we restart a thread?
✔️ Thread lifecycle basics

🔹 5. Real-Time Use Cases

✔️ Background tasks
✔️ File processing
✔️ Web servers
✔️ Concurrent API calls

🧑‍💻 Who Should Watch This Video?

🔹 Java Beginners
🔹 Full Stack Java Learners
🔹 Backend Developers
🔹 Interview Preparation Candidates
🔹 Anyone learning Java Multithreading

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