What is the function of java multithreading
This article mainly explains "what is the function of java multithreading". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "what is the function of java multithreading"?
1. Description
Multithreading means that multiple threads are executed concurrently in a process, and each thread has a different function.
2. Function
(1) in single-core CPU, CPU is divided into very small time slices, and only one thread is executing at a time, which is a microscopic mechanism that takes turns occupying CPU. Because CPU polling is very fast, it looks as if it is being performed "at the same time". There will be thread context switching in multithreading, which will slow down the execution of the program.
(2) Multithreading will not improve the execution speed of the program, but will reduce the speed. But for users, it can reduce the waiting time of users and improve the efficiency of resource utilization.
(3) Multithreading concurrently makes use of the characteristics of CPU polling time slices. When a thread enters a blocking state, it can quickly switch to other threads to perform the rest of the operations, which helps to improve the utilization of resources, limit the processing capacity provided by the system, and effectively reduce the waiting time of users.
What are the basic data types of java? the basic data types of Java are as follows:
1. Integer type, which is used to represent the data type of integer.
2. Floating point type, which is used to represent the data type of decimals.
3. Character type. The keyword of character type is "char".
4. Boolean type, which is the basic data type that represents logical values.
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