what is java multithreading

What is java multithreading?

A java thread is an execution path or a control unit within a process; java multi-threading refers to the existence of multiple threads in a process, and multi-threading can improve program execution efficiency.

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1. Processes and threads:

Process: an ongoing program. Each process execution has an execution sequence, which is an execution path, or a control unit.

Thread: an execution path or a control unit within a process.

The difference between the two:

A process has at least one thread

The process has an independent memory unit during execution, and multiple threads Shared memory;

2. What is multi-threading:

There are multiple threads in a process, which is called multi-threading.

3. Advantages of multi-threading:

Solve the problem of multiple parts running at the same time and improve efficiency

4. Disadvantages of threads :

Too many threads will lead to a reduction in efficiency, because the execution of threads relies on the CPU switching back and forth.

5. Methods to implement multi-threading:

Java can implement multi-threading by inheriting the Thread class and implementing the Runnable interface.

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