Get the available processor

int availableProcessors()
Returns the number of processors available to the Java virtual machine.

public class Main {
  public static void main(String[] args) {
    Runtime runtime = Runtime.getRuntime();

    System.out.println(runtime.availableProcessors());
  }
}

The output:


2
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Runtime:
  1. Runtime class
  2. Get the instance of a runtime
  3. Get the memory in your Java virtual machine
  4. Shut down hook
  5. Get the available processor
  6. Exit and halt Java virtual machine
  7. Run garbage collector and finalization methods
  8. Execuate a system command