In java, when it comes to threads, Thread is essential. A thread is a lighter scheduled executor than a process. Why use threads? By using threads, you can separate resource allocation and execution scheduling in operating system processes. Each thread can not only share process resources (memory address, file I/O, etc.), but can also be scheduled independently (thread is the basic unit of CPU scheduling).
Explanation
1. Thread is the most important class for making threads. The word itself also represents thread.
2. The Thread class implements the Runnable interface.
Example
public class ThreadDemo extends Thread {
public void run() {
for (int i = 0; i < 60; i++) {
System.out.println(getName() + ":" + i);
}
}
}
public class Demo{
public static void main(String[] args) {
ThreadDemo t1 = new ThreadDemo();
ThreadDemo t2 = new ThreadDemo();
t1.start();
t2.start();
}
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