{}
public class BootSequence {
public static class Bootloader {
public static final KeyStore keyStore = new KeyStore();
static {
// Call to trigger KeyStore's static initializer
keyStore.observeFinalVariable();
}
}
public static class KeyStore {
public static final KeyStore cachedKeyStore;
static {
cachedKeyStore = Bootloader.keyStore;
}
public void observeFinalVariable() {}
}
public static void main(String[] args) {
// Trigger static initializer in Bootloader which
// cascades to trigger KeyStore's static initializer
System.out.println(Bootloader.keyStore); // Current value
// So what value did we observe?
System.out.println(KeyStore.cachedKeyStore); // Value that KeyStore saw
}
}