java-design-patterns com.iluwatar 1.26.0-SNAPSHOT 4.0.0 subclass-sandbox 2.0.17 1.5.18 com.github.stefanbirkner system-lambda org.slf4j slf4j-api ${slf4j.version} ch.qos.logback logback-classic ${logback.version} ch.qos.logback logback-core ${logback.version} org.junit.jupiter junit-jupiter-engine test