在Java中打印线程实例的意义是什么？ [英] What's the meaning of printing a thread instance in Java?

问题描述

例如，

System.out.println( Thread.currentThread() );

给予

Thread[main,5,main] 

[main，5，main]是什么参考？我猜也许其中一个是名字，但我想知道这一切究竟是什么意思。

What does [main,5,main] refer to? I am guessing perhaps one of them is the name, but I want to know what it all means precisely.

推荐答案

来自javadoc 线程：

From the javadoc of Thread:

public String toString()

返回此线程的字符串表示形式，包括线程的名称，优先级和线程组。

Returns a string representation of this thread, including the thread's name, priority, and thread group.

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