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Multithreading: Essential Coding Questions for Interviews

Anusha SP
8 min readMar 5, 2025

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Multithreading is a programming concept that enables concurrent execution of multiple threads within a single process, improving performance and responsiveness. It is widely used in Java, Python, and other languages to handle tasks like parallel processing and resource sharing efficiently.

Understanding multithreading is crucial for optimizing applications and avoiding issues like race conditions and deadlocks. In interviews, Multithreading plays a crucial role so let us understand some of the programming questions on Multithreading.

  1. What is a thread in Java?

A thread is the smallest unit of execution in a process. In Java, a thread is an independent path of execution that allows multiple operations to be performed concurrently.

2. How can you create a thread in Java?

There are two ways to create a thread in Java:

  1. Extending Thread class
class MyThread extends Thread {
public void run() {
System.out.println("Thread is running...");
}
}
public class Main {
public static void main(String[] args) {
MyThread t1 = new MyThread();
t1.start();
}
}

2. Implementing Runnable interface

class MyRunnable implements…

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Anusha SP
Anusha SP

Written by Anusha SP

Software Developer | Technical Content Writer | Freelancer | Aiming to Understand the technologies well

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