The Life Cycle of a Thread
A thread can undergo one of any five states during the complete life cycle (see Figure 11.4). The five states are
Figure 11.4. The life cycle of a thread can illustrate all five states.
New
Runnable
Running
Not Runnable
Dead
When the SimpleThread class was instantiated in the previous section, the thread was in the New state. No system resources are allocated to a thread in the New state. The only method that can be called on a new thread is the start method; otherwise an IllegalThreadStateException will be thrown.
When the start method is called on a new thread, the thread enters the Runnable state and is considered to ...
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