Initializing interface fields with non-constant initializers : Interface « Class Definition « Java Tutorial

1. Java Tutorial
2. Class Definition
3. Interface

import java.util.Random;

public class MainClass {
  public static void main(String[] args) {
    System.out.println(RandVals.randomInt);
    System.out.println(RandVals.randomLong);
    System.out.println(RandVals.randomFloat);
    System.out.println(RandVals.randomDouble);
  }
}


interface RandVals {
  Random rand = new Random();
  int randomInt = rand.nextInt(10);
  long randomLong = rand.nextLong() * 10;
  float randomFloat = rand.nextLong() * 10;
  double randomDouble = rand.nextDouble() * 10;
}

3
-6942612165866507216
-8.1946244E18
5.045338828500432