Unlike many other programming languages, Java provides built-in support for multithreaded programming. Multithreaded programming contains two or more parts that can run concurrently. Each piece of such a program is called a thread, and each thread defines a separate path of execution. Thus multithreading can be said as a particular version of multitasking.
The process of executing multiple tasks (also called threads) simultaneously is called multithreading. The primary purpose of multithreading is to provide simultaneous execution of two or more parts of a program to make maximum use of CPU time. A multithreaded program contains two or more parts that can run concurrently. It enables programmers to write in a way where multiple activities can proceed simultaneously within a single application.
It is the way of executing multiple tasks at a time executing them concurrently over a specified period. Multitasking is done in two ways.
These are:-
1️⃣ Process-based multitasking: It is also called multiprocessing where each process has its address in memory, i.e., each process allocates separate memory area.
2️⃣ Thread-based multitasking: This thread-based multitasking is also termed as multithreading where threads share the same address spac.
A thread goes through various stages of its life cycle. Example, first of all, a thread is born, started its tasks, run a sequence of tasks concurrently, and then dies. Here is the diagram of the various stages of a life cycle.
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