Everything in Java (well, almost) is an object. If we want to start a new thread, we will need an object and, therefore, a class that represents the thread. This class is java.lang.Thread, which is built into the JDK. When you start a Java code, the JVM automatically creates a few Thread objects and uses them to run different tasks that are needed by it. If you start up VisualVM, you can select the Threads tab of any JVM process and see the actual threads that are in the JVM. For example, the VisualVM as I started has 29 live threads. One of them is the thread named main. This is the one that starts to execute the main method (surprise!). The main thread started most of the other threads. When we want to write a multithread ...
java.lang.Thread
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