{"id":54287,"library":"jna","title":"Java Native Access (JNA)","description":"Provides easy access to native shared libraries from Java without using JNI.","status":"active","version":"5.19.0","language":"java","source_language":null,"source_url":"https://github.com/java-native-access/jna","tags":["native","jni","library","binding"],"install":[{"cmd":"<dependency>\n  <groupId>net.java.dev.jna</groupId>\n  <artifactId>jna</artifactId>\n  <version>5.19.0</version>\n</dependency>","lang":"xml","label":"Maven"},{"cmd":"implementation 'net.java.dev.jna:jna:5.19.0'","lang":"groovy","label":"Gradle"}],"dependencies":[],"imports":[{"symbol":"Native","correct":"com.sun.jna.Native"}],"quickstart":{"code":"import com.sun.jna.Library;\nimport com.sun.jna.Native;\nimport com.sun.jna.Platform;\n\npublic class Main {\n  public interface CLibrary extends Library {\n    CLibrary INSTANCE = (CLibrary) Native.load(Platform.isWindows() ? \"msvcrt\" : \"c\", CLibrary.class);\n    void printf(String format, Object... args);\n  }\n\n  public static void main(String[] args) {\n    CLibrary.INSTANCE.printf(\"Hello from JNA!\\n\");\n  }\n}","lang":"java","description":"Load a native library and call a function"},"warnings":[{"fix":"Consider using JNI or direct buffer operations for performance-critical code.","message":"JNA may have performance overhead compared to JNI for high-frequency calls.","severity":"gotcha","affected_versions":"all"}],"env_vars":null,"search_vec":"'access':3,7 'bind':20 'easi':6 'java':1,13 'jna':4 'jni':16,18 'librari':11,19 'nativ':2,9,17 'provid':5 'share':10 'use':15 'without':14","created_at":"2026-06-15T08:57:40.721589+00:00","updated_at":"2026-06-15T08:57:40.721589+00:00","problems":[],"ecosystem":"maven","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://github.com/java-native-access/jna","github":"https://github.com/java-native-access/jna","docs":"https://appdoc.app/artifact/net.java.dev.jna/jna/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["utility"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-15","next_check":"2026-12-12","install_tag":null}}