Random UUID

In this chapter you will learn:

1. Get a Random UUID

Get a Random UUID

UUID represents an immutable universally unique identifier (UUID). A UUID has a 128-bit value.

The following Java uses the java.util.UUID to generate a random immutable universally unique identifier.

import java.util.UUID;
//j  av a 2 s. com
public class Main {
  public static void main(String arg[]) {
    System.out.println(UUID.randomUUID());
  }
}

Output:

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What you will learn in the next chapter:

1. Get the memory in your Java virtual machine

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