First Multithreading Program in Java - Thread, Runnable, Lifecycle, interrupt(), sleep(), join()

Опубликовано: 02 Май 2026
на канале: IT Bulls
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Tutor: Andrii Piatakha / Andrey Pyatakha | Learn IT Online University

In this lesson, we will create the first multithreading program in Java and understand how Thread and Runnable work in practice.

You will learn the thread lifecycle, different ways to start a thread, important Thread methods, interruption handling, and why deprecated methods like stop(), suspend(), and resume() should not be used.

In this lesson you will learn:
Thread lifecycle and possible states of a thread
How to start a thread - 5 ways
Thread class
Runnable interface
Main properties of Thread object (id, name, priority, daemon)
TimeUnit
How to interrupt thread of execution
How to stop execution - deprecated stop(), suspend() and resume() methods
interrupt() VS interrupted() VS isInterrupted()
currentThread()
sleep()
join() method


Attachments to the lesson:
Source code of the First multithreading program - https://github.com/AndriiPiatakha/lea...
Source code of thread interruption demo - https://github.com/AndriiPiatakha/lea...

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#Java #Multithreading #JavaThreads #Runnable #JavaProgramming