Status of the thread

Java In the thread 7 States

1. newly build (NEW)： A new thread object is created , But it's not called yet start() Method start up .
2. Can run (RUNNABLE)：Java The thread will be ready （ready） And in the operation of the （running） The two states are generally called “ function ”. After the thread object is created , Other threads ( such as main Threads ） Called the object's start() Method . The thread in this state is in the runnable thread pool , Waiting to be selected by thread scheduling , obtain CPU Right to use , It's in a ready state （ready）. The thread in the ready state is getting CPU After the time slice, it becomes the running state （running）.
3. Blocking (BLOCKED)： Indicates that the thread is blocked by a lock .
4. wait for (WAITING)： A thread entering this state needs to wait for some specific action from another thread （ Notification or interruption ）.
5. Overtime waiting (TIMED_WAITING)： This state is different from WAITING, It can return on its own after a specified time .
6. End (TERMINATED)： Indicates that the thread has finished executing .

State transition diagram of thread