///usr/bin/env jbang "$0" "$@" ; exit $?

//JAVA 25+

//JAVAC_OPTIONS --enable-preview --release 25

//JAVA_OPTIONS --enable-preview

import java.util.function.*;

import java.util.logging.*;

/// Proof: stable-values

/// Source: content/concurrency/stable-values.yaml

///

/// Note: The snippet calls logger.get() on a StableValue<Logger>. In JDK 25,

/// StableValue.supplier() returns a Supplier<T> whose get() provides the same

/// lazy, thread-safe initialization semantics.

class LoggerHolder {

private final Supplier<Logger> logger =

StableValue.supplier(this::createLogger);

Logger getLogger() {

return logger.get();

}

Logger createLogger() {

return Logger.getLogger(getClass().getName());

}

}

void main() {

new LoggerHolder().getLogger();

}