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thread pool

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thread pool

Three implementation methods for the use and advantages of thread pools (main chat callable)

Usage and advantages 1. The context switch is omitted Extracurricular expansion: int availableProcessors = Runtime.getRuntime().availableProcessors(); System.out.println("可用的处理器: "+availableProcessors); Advantages and characteristics of thread pool Three implementation methods of thread: 1. Inherit the Thread class, no exception can be thrown, no return value public class MyThread extends Thread{