jackson 사용하기 compile "com.fasterxml.jackson.module:jackson-module-kotlin:2.9.+" [build.gradle - dependencies 에 추가] plugins { id 'java' id 'org.jetbrains.kotlin.jvm' version '1.4.32' } group 'org.example' version '1.0-SNAPSHOT' repositories { mavenCentral() } dependencies { implementation "org.jetbrains.kotlin:kotlin-stdlib" testImplementation 'org.junit.jupiter:junit-jupiter-api:5.7.0' testRunti..