The priority of java thread, the concept of daemon thread

1. Thread scheduling

Preemptive scheduling
Non-preemptive scheduling

1.1 Preemptive Scheduling

The higher the priority, the higher the probability of grabbing the CPU

1.2 Daemon threads

Daemon thread, non-daemon thread. When other non-daemon threads finish executing, the daemon threads will end one after another.

Application Scenarios of Daemon Threads