Processor count

In this chapter you will learn:

1. How to get the number of processors available to the Java virtual machine

Processor count

int availableProcessors() from Runtime class returns the number of processors available to the Java virtual machine.

public class Main {
  public static void main(String[] args) {
    Runtime runtime = Runtime.getRuntime();
//ja v  a 2  s  .  c  o  m
    System.out.println(runtime.availableProcessors());
  }
}

The output:

Next chapter...

What you will learn in the next chapter:

1. How to execute a system command
2. How to get and set working directory

Java standard stream

Java system property get and set

Current time in millis second and nano second

Random UUID

JVM memory

JVM garbage collector

JVM shutting down

Processor count

OS system commands

Random class

Random value

Random value range

Compile Java source code

Timer and TimerTask