import java.io.IOException; import com.squareup.javapoet.JavaFile; import com.squareup.javapoet.TypeSpec; public class Main { public static void main(String... args) throws IOException { TypeSpec typeSpec = TypeSpec.classBuilder("Hoge").build(); JavaFile javaFile = JavaFile.builder("sample.javapoet", typeSpec).build(); javaFile.writeTo(System.out); } }