Java 9\u306f\u91cd\u8981\u306a\u30ea\u30ea\u30fc\u30b9\u3067\u3042\u308a\u3001\u958b\u767a\u8005\u306b\u591a\u304f\u306e\u6a5f\u80fd\u3092\u3082\u305f\u3089\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Java 9\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
Java 10\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002Java 10\u306e\u30ea\u30ea\u30fc\u30b9\u306e\u5b8c\u5168\u306a\u6982\u8981\u306b\u3064\u3044\u3066\u306f\u3001Java 10\u306e\u7279\u5fb4\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n
Java 9\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u306e\u3044\u304f\u3064\u304b\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
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\u30aa\u30e9\u30af\u30eb\u682a\u5f0f\u4f1a\u793e\u306f\u30012017\u5e743\u6708\u672b\u9803\u306bJava SE 9\u3092\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u300cJava 9\u306e\u7279\u5fb4\u300d\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u8aac\u660e\u3057\u3001\u3044\u304f\u3064\u304b\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n
\u30aa\u30e9\u30af\u30eb\u682a\u5f0f\u4f1a\u793e\u306f\u3001\u300cjshell\u300d\u3068\u3044\u3046\u65b0\u3057\u3044\u30c4\u30fc\u30eb\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002\u300cjshell\u300d\u306fJava\u30b7\u30a7\u30eb\u306e\u7565\u3067\u3042\u308a\u3001REPL\uff08Read Evaluate Print Loop\uff09\u3068\u3082\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30b9\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001\u5217\u6319\u578b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u6587\u306a\u3069\u3001Java\u306e\u3042\u3089\u3086\u308b\u69cb\u6210\u8981\u7d20\u3092\u7c21\u5358\u306b\u5b9f\u884c\u304a\u3088\u3073\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002JDK 9 EA\uff08\u65e9\u671f\u30a2\u30af\u30bb\u30b9\uff09\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092https:\/\/jdk9.java.net\/download\/\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
G:\\>jshell\r\n| Welcome to JShell -- Version 9-ea\r\n| For an introduction type: \/help intro\r\n\r\n\r\njshell> int a = 10\r\na ==> 10\r\n\r\njshell> System.out.println(\"a value = \" + a )\r\na value = 10\r\n<\/code><\/pre>\n\u3082\u3057REPL\u30c4\u30fc\u30eb\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u77e5\u308a\u305f\u3044\u306e\u3067\u3042\u308c\u3070\u3001Java 9 REPL\u306e\u57fa\u790e\uff08\u30d1\u30fc\u30c81\uff09\u3068Java 9 REPL\u306e\u6a5f\u80fd\uff08\u30d1\u30fc\u30c82\uff09\u3092\u8aad\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u4e0d\u5909\u306a\u30ea\u30b9\u30c8\u3001\u30bb\u30c3\u30c8\u3001\u30de\u30c3\u30d7\u3001\u304a\u3088\u3073\u30de\u30c3\u30d7\u30a8\u30f3\u30c8\u30ea\u30fc\u306e\u305f\u3081\u306e\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e1\u30bd\u30c3\u30c9<\/h3>\n
\u30aa\u30e9\u30af\u30eb\u682a\u5f0f\u4f1a\u793e\u306f\u3001Immutable List\u3001Set\u3001Map\u3001Map.Entry\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u4fbf\u5229\u306a\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30fc\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u7a7a\u306e\u307e\u305f\u306f\u975e\u7a7a\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002Java SE 8\u304a\u3088\u3073\u305d\u308c\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001unmodifiableXXX\u306e\u3088\u3046\u306aCollections\u30af\u30e9\u30b9\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066Immutable Collection\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001Immutable List\u3092\u4f5c\u6210\u3057\u305f\u3044\u5834\u5408\u306f\u3001Collections.unmodifiableList\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3089\u306eCollections.unmodifiableXXX\u30e1\u30bd\u30c3\u30c9\u306f\u624b\u9593\u304c\u304b\u304b\u308a\u5197\u9577\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001\u30aa\u30e9\u30af\u30eb\u682a\u5f0f\u4f1a\u793e\u306fList\u3001Set\u3001Map\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u3044\u304f\u3064\u304b\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30fc\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002List\u3068Set\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306f\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u7a7a\u306e\u307e\u305f\u306f\u975e\u7a7a\u306eImmutable List\u307e\u305f\u306fSet\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u300cof()\u300d\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u7a7a\u306e\u30ea\u30b9\u30c8\u306e\u4f8b\uff1a<\/p>\n
List immutableList = List.of();\r\n<\/code><\/pre>\n\u975e\u7a7a\u30ea\u30b9\u30c8\u306e\u4f8b<\/p>\n
List immutableList = List.of(\"one\",\"two\",\"three\");\r\n<\/code><\/pre>\n\u5730\u56f3\u306b\u306f\u3001of() \u30e1\u30bd\u30c3\u30c9\u3068 ofEntries() \u30e1\u30bd\u30c3\u30c9\u3068\u3044\u30462\u3064\u306e\u30bb\u30c3\u30c8\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306a\u30de\u30c3\u30d7\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306a\u30de\u30c3\u30d7\u30a8\u30f3\u30c8\u30ea\u30fc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7a7a\u306e\u5730\u56f3\u306e\u4f8b\u3067\u3059\u3002<\/p>\n
jshell> Map emptyImmutableMap = Map.of()\r\nemptyImmutableMap ==> {}\r\n<\/code><\/pre>\n\u975e\u7a7a\u30de\u30c3\u30d7\u306e\u4f8b<\/p>\n
jshell> Map nonemptyImmutableMap = Map.of(1, \"one\", 2, \"two\", 3, \"three\")\r\nnonemptyImmutableMap ==> {2=two, 3=three, 1=one}\r\n<\/code><\/pre>\n\u3053\u308c\u3089\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u8aad\u307f\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30ea\u30f3\u30af\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 (Korera no y\u016btiriti mesodemo motto yomitai baai wa, ikk\u014d no rinku o sansh\u014d shite kudasai.)<\/p>\n
\n- Java 9 Factory Methods for Immutable List<\/li>\n
- Java 9 Factory Methods for Immutable Set<\/li>\n
- Java 9 Factory Methods for Immutable Map and Map.Entry<\/li>\n<\/ul>\n
\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5185\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9<\/h3>\n
Java 8\u3067\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30e1\u30bd\u30c3\u30c9\u3068\u9759\u7684\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u5185\u3067\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u88c5\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u5185\u306b\u306f\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u5197\u9577\u306a\u30b3\u30fc\u30c9\u3092\u907f\u3051\u3001\u518d\u5229\u7528\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u3001Oracle Corp\u306fJava SE 9\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3067\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u3092\u5c0e\u5165\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002Java SE 9\u4ee5\u964d\u3067\u306f\u3001\u300cprivate\u300d\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u5185\u306b\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u9759\u7684\u30e1\u30bd\u30c3\u30c9\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u306f\u4ed6\u306e\u30af\u30e9\u30b9\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u69d8\u3067\u3042\u308a\u3001\u305d\u306e\u9593\u306b\u306f\u4f55\u306e\u9055\u3044\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
public interface Card{\r\n\r\n private Long createCardID(){\r\n \/\/ Method implementation goes here.\r\n }\r\n\r\n private static void displayCardDetails(){\r\n \/\/ Method implementation goes here.\r\n }\r\n\r\n}\r\n<\/code><\/pre>\n\u3082\u3057\u65b0\u6a5f\u80fd\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8a73\u3057\u304f\u8aad\u307f\u305f\u3044\u306a\u3089\u3001\u3053\u306e\u30ea\u30f3\u30af\u3092\u901a\u3058\u3066\u8aad\u3093\u3067\u304f\u3060\u3055\u3044\uff1aJava 9\u306b\u304a\u3051\u308bInterface\u5185\u306ePrivate\u30e1\u30bd\u30c3\u30c9\u3002<\/p>\n
Java 9\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0<\/h3>\n
Java 9\u306e\u5927\u304d\u306a\u5909\u66f4\u3084\u6a5f\u80fd\u306e\u4e00\u3064\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002Oracle Corp\u306fJigsaw\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u6a5f\u80fd\u3092\u5c0e\u5165\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n
\n- Modular JDK<\/li>\n
- Modular Java Source Code<\/li>\n
- Modular Run-time Images<\/li>\n
- Encapsulate Java Internal APIs<\/li>\n
- Java Platform Module System<\/li>\n<\/ul>\n
Java SE 9\u4ee5\u524d\u306f\u3001Java\u30d9\u30fc\u30b9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u305f\u3081\u306b\u30e2\u30ce\u30ea\u30b7\u30c3\u30af\u306aJars\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u306f\u591a\u304f\u306e\u5236\u7d04\u3084\u6b20\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5236\u7d04\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3001Java SE 9\u3067\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002JDK 9\u306b\u306f92\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\uff08\u6700\u7d42\u30ea\u30ea\u30fc\u30b9\u6642\u306b\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff09\u3002\u4ee5\u4e0b\u306b\u793a\u3059\u3088\u3046\u306b\u3001JDK\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3001\u72ec\u81ea\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\uff1a\u30b7\u30f3\u30d7\u30eb\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4f8b\u3002<\/p>\n
module com.foo.bar { }\r\n<\/code><\/pre>\n\u4ee5\u4e0b\u3067\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u300c\u30e2\u30b8\u30e5\u30fc\u30eb\u300d\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u5404\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u306f\u540d\u524d\u3001\u95a2\u9023\u3059\u308b\u30b3\u30fc\u30c9\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u65b0\u3057\u3044\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u8a73\u7d30\u3084\u5b9f\u8df5\u7684\u306a\u7d4c\u9a13\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u8aad\u307f\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u3061\u3089\u306e\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
\n- Java 9 Module System Basics<\/li>\n
- Java 9 Module Examples using command prompt<\/li>\n
- Java 9 Hello World Module Example using Eclipse IDE<\/li>\n<\/ul>\n
\u30d7\u30ed\u30bb\u30b9API\u306e\u6539\u5584<\/h3>\n
Java SE 9\u3067\u306f\u3001Process API\u306b\u3044\u304f\u3064\u304b\u306e\u6539\u5584\u304c\u52a0\u308f\u308a\u307e\u3059\u3002OS\u30d7\u30ed\u30bb\u30b9\u306e\u5236\u5fa1\u3068\u7ba1\u7406\u3092\u7c21\u5358\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u3044\u304f\u3064\u304b\u306e\u65b0\u3057\u3044\u30af\u30e9\u30b9\u3068\u30e1\u30bd\u30c3\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002Process API\u306b\u306f2\u3064\u306e\u65b0\u3057\u3044\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n- java.lang.ProcessHandle<\/li>\n
- java.lang.ProcessHandle.Info<\/li>\n<\/ul>\n
\u30d7\u30ed\u30bb\u30b9API\u306e\u4f8b<\/p>\n
ProcessHandle currentProcess = ProcessHandle.current();\r\n System.out.println(\"Current Process Id: = \" + currentProcess.getPid());\r\n<\/code><\/pre>\nTry With Resources \u306e\u6539\u5584\u8a66\u884c<\/h3>\n
\u79c1\u305f\u3061\u306f\u3001Java SE 7\u3067\u65b0\u3057\u3044\u4f8b\u5916\u51e6\u7406\u69cb\u6587\u3067\u3042\u308bTry-With-Resources\u304c\u5c0e\u5165\u3055\u308c\u305f\u3053\u3068\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u65b0\u3057\u3044\u69cb\u6587\u306e\u4e3b\u306a\u76ee\u6a19\u306f\u3001\u300c\u81ea\u52d5\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u5411\u4e0a\u300d\u3067\u3059\u3002Java SE 9\u3067\u306f\u3001\u3053\u306e\u69cb\u6587\u306b\u3044\u304f\u3064\u304b\u306e\u6539\u5584\u304c\u884c\u308f\u308c\u3001\u5197\u9577\u6027\u3092\u6e1b\u3089\u3057\u3001\u53ef\u8aad\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u4e88\u5b9a\u3067\u3059\u3002Java SE 7\u306e\u4f8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
void testARM_Before_Java9() throws IOException{\r\n BufferedReader reader1 = new BufferedReader(new FileReader(\"scdev.txt\"));\r\n try (BufferedReader reader2 = reader1) {\r\n System.out.println(reader2.readLine());\r\n }\r\n}\r\n<\/code><\/pre>\nJava 9\u306e\u4f8b\u3092\u65e5\u672c\u8a9e\u3067\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u300cJava 9\u306e\u5177\u4f53\u7684\u306a\u4e8b\u4f8b\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
void testARM_Java9() throws IOException{\r\n BufferedReader reader1 = new BufferedReader(new FileReader(\"scdev.txt\"));\r\n try (reader1) {\r\n System.out.println(reader1.readLine());\r\n }\r\n}\r\n<\/code><\/pre>\n\u3053\u306e\u65b0\u6a5f\u80fd\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u8a73\u3057\u304f\u8aad\u307f\u305f\u3044\u5834\u5408\u306f\u3001Java 9\u306eTry-With-Resources\u6539\u5584\u306b\u95a2\u3059\u308b\u79c1\u306e\u5143\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002<\/p>\n
CompletableFuture API\u306e\u6539\u5584<\/h3>\n
Java SE 9\u3067\u306f\u3001\u30aa\u30e9\u30af\u30eb\u682a\u5f0f\u4f1a\u793e\u306fJava SE 8\u3067\u767a\u751f\u3057\u305f\u3044\u304f\u3064\u304b\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u3001CompletableFuture API\u3092\u6539\u5584\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002\u305d\u308c\u306b\u306f\u3001\u9045\u5ef6\u3084\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306e\u30b5\u30dd\u30fc\u30c8\u3001\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e1\u30bd\u30c3\u30c9\u3001\u305d\u3057\u3066\u3088\u308a\u512a\u308c\u305f\u30b5\u30d6\u30af\u30e9\u30b9\u5316\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n
Executor exe = CompletableFuture.delayedExecutor(50L, TimeUnit.SECONDS);\r\n<\/code><\/pre>\n\u3053\u3053\u3067\u3001delayedExecutor()\u306f\u3001\u4e0e\u3048\u3089\u308c\u305f\u9045\u5ef6\u6642\u9593\u5f8c\u306b\u30bf\u30b9\u30af\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30a8\u30b0\u30bc\u30ad\u30e5\u30fc\u30bf\u30fc\u306b\u9001\u4fe1\u3059\u308b\u65b0\u3057\u3044\u30a8\u30b0\u30bc\u30ad\u30e5\u30fc\u30bf\u30fc\u3092\u8fd4\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u9759\u7684\u306a\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n
\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30b9\u30c8\u30ea\u30fc\u30e0<\/h3>\n
\u6700\u8fd1\u3001\u7f8e\u3057\u3044\u5229\u70b9\u3092\u5f97\u308b\u305f\u3081\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3067\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u304c\u975e\u5e38\u306b\u4eba\u6c17\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002Scala\u3001Play\u3001Akka\u306a\u3069\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u3059\u3067\u306b\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u7d71\u5408\u3057\u3001\u591a\u304f\u306e\u5229\u70b9\u3092\u5f97\u3066\u3044\u307e\u3059\u3002Oracle Corps\u3082\u307e\u305f\u3001Java SE 9\u3067\u65b0\u3057\u3044\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30b9\u30c8\u30ea\u30fc\u30e0API\u3092\u5c0e\u5165\u3057\u3066\u3044\u307e\u3059\u3002Java SE 9\u306e\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30b9\u30c8\u30ea\u30fc\u30e0API\u306f\u3001Java\u8a00\u8a9e\u3092\u4f7f\u7528\u3057\u3066\u975e\u540c\u671f\u3001\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u3001\u4e26\u884c\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u975e\u5e38\u306b\u7c21\u5358\u306b\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30b7\u30e5\/\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d6\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002Java\u30d9\u30fc\u30b9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u958b\u767a\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306eAPI\u304c\u5c0e\u5165\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n- java.util.concurrent.Flow<\/li>\n
- java.util.concurrent.Flow.Publisher<\/li>\n
- java.util.concurrent.Flow.Subscriber<\/li>\n
- java.util.concurrent.Flow.Processor<\/li>\n<\/ul>\n
Java 9\u306e\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30b9\u30c8\u30ea\u30fc\u30e0\u3067\u8a73\u3057\u304f\u8aad\u3080\u3002<\/p>\n
\u533f\u540d\u5185\u90e8\u30af\u30e9\u30b9\u306e\u305f\u3081\u306e\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u6f14\u7b97\u5b50<\/h3>\n
\u79c1\u305f\u3061\u306f\u3001Java SE 7\u3067\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u6f14\u7b97\u5b50\u3068\u3044\u3046\u65b0\u3057\u3044\u6a5f\u80fd\u304c\u5c0e\u5165\u3055\u308c\u3001\u5197\u9577\u306a\u30b3\u30fc\u30c9\u3092\u907f\u3051\u3066\u8a00\u8a9e\u306e\u8aad\u307f\u3084\u3059\u3055\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001Java SE 8\u3067\u306f\u3001\u30aa\u30e9\u30af\u30eb\u793e\uff08Java\u30e9\u30a4\u30d6\u30e9\u30ea\u958b\u767a\u8005\uff09\u304c\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u6f14\u7b97\u5b50\u3092\u533f\u540d\u5185\u90e8\u30af\u30e9\u30b9\u3068\u4f7f\u3046\u969b\u306e\u5236\u9650\u306b\u3044\u304f\u3064\u304b\u306e\u554f\u984c\u3092\u898b\u3064\u3051\u307e\u3057\u305f\u3002\u5f7c\u3089\u306f\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u4fee\u6b63\u3057\u3001\u305d\u308c\u3089\u3092Java 9\u306e\u4e00\u90e8\u3068\u3057\u3066\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n
public List getEmployee(String empid){\r\n \/\/ Code to get Employee details from Data Store\r\n return new List(emp){ };\r\n }\r\n<\/code><\/pre>\n\u3053\u3053\u3067\u306f\u3001\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u305b\u305a\u306b\u5358\u306b\u300c\u30ea\u30b9\u30c8\u300d\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u30af\u30e9\u30b9\u306e\u6539\u5584\u7b56<\/h3>\n
Java SE9\u3067\u306f\u3001\u30aa\u30e9\u30af\u30eb\u793e\u306fjava.util.Optional\u30af\u30e9\u30b9\u306b\u3044\u304f\u3064\u304b\u306e\u4fbf\u5229\u306a\u65b0\u3057\u3044\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002\u3053\u3053\u3067\u306f\u3001\u305d\u306e\u4e2d\u306e1\u3064\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u3001\u3044\u304f\u3064\u304b\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u4f8b\u3092\u7528\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\uff1astream\u30e1\u30bd\u30c3\u30c9\u3002\u3082\u3057Optional\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5024\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u3053\u306estream()\u30e1\u30bd\u30c3\u30c9\u306f\u305d\u306e\u5024\u3092\u6301\u3064\u9023\u7d9a\u3057\u305f\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u3001\u7a7a\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8fd4\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u793a\u3059\u3088\u3046\u306b\u3001Optional\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u4e0a\u3067\u9045\u5ef6\u7684\u306b\u52d5\u4f5c\u3059\u308b”stream()”\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002<\/p>\n
Stream<Optional> emp = getEmployee(id)\r\nStream empStream = emp.flatMap(Optional::stream)\r\n<\/code><\/pre>\n\u3053\u3053\u3067\u306f\u3001Optional.stream()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001Employee\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306eOptional\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3092Employee\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u5909\u63db\u3057\u3001\u3053\u306e\u7d50\u679c\u3092\u9045\u5ef6\u8a55\u4fa1\u3067\u7d50\u679c\u30b3\u30fc\u30c9\u3067\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u3084\u4ed6\u306eOptional\u30af\u30e9\u30b9\u306b\u8ffd\u52a0\u3055\u308c\u305f\u65b0\u3057\u3044\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u7406\u89e3\u3057\u3001\u3088\u308a\u591a\u304f\u306e\u4f8b\u3092\u898b\u308b\u305f\u3081\u306b\u306f\u3001\u5143\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\uff1aJava SE 9\uff1aOptional\u30af\u30e9\u30b9\u306e\u6539\u5584\u3002<\/p>\n
\u30b9\u30c8\u30ea\u30fc\u30e0API\u306e\u6539\u5584<\/h3>\n
Java SE 9\u3067\u306f\u3001Oracle Corp\u304cjava.util.Stream\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306b4\u3064\u306e\u4fbf\u5229\u306a\u65b0\u3057\u3044\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002Stream\u306f\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306a\u306e\u3067\u3001\u3053\u308c\u3089\u306e\u65b0\u3057\u3044\u5b9f\u88c5\u30e1\u30bd\u30c3\u30c9\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u305d\u306e\u3046\u3061\u306e2\u3064\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3042\u308a\u3001dropWhile\u30e1\u30bd\u30c3\u30c9\u3068takeWhile\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u3082\u3057Scala\u8a00\u8a9e\u3084\u4ed6\u306e\u95a2\u6570\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u8a73\u3057\u3044\u306e\u3067\u3042\u308c\u3070\u3001\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u306f\u65e2\u306b\u77e5\u3063\u3066\u3044\u308b\u3067\u3057\u3087\u3046\u3002\u3053\u308c\u3089\u306f\u95a2\u6570\u578b\u30b9\u30bf\u30a4\u30eb\u306e\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u969b\u306b\u975e\u5e38\u306b\u4fbf\u5229\u306a\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u3053\u3053\u3067\u306ftakeWhile\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u8b70\u8ad6\u3057\u307e\u3059\u3002takeWhile()\u306f\u3001\u8ff0\u8a9e\u3092\u5f15\u6570\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001\u305d\u306e\u8ff0\u8a9e\u304c\u6700\u521d\u306bfalse\u3092\u8fd4\u3059\u307e\u3067\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u5024\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002\u6700\u521d\u306e\u5024\u304c\u305d\u306e\u8ff0\u8a9e\u3092\u6e80\u305f\u3055\u306a\u3044\u5834\u5408\u3001\u7a7a\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
jshell> Stream.of(1,2,3,4,5,6,7,8,9,10).takeWhile(i -> i < 5 )\r\n .forEach(System.out::println);\r\n1\r\n2\r\n3\r\n4\r\n<\/code><\/pre>\n\u300ctakeWhile\u300d\u3068\u300cdropWhile\u300d\u3068\u4ed6\u306e\u65b0\u3057\u3044\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001\u79c1\u306e\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u300cJava SE 9: Stream API \u6539\u5584\u70b9\u300d\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u5f37\u5316\u3055\u308c\u305f@Deprecated\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3<\/h3>\n
Java SE 8\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001@Deprecated\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u4f55\u306e\u30e1\u30bd\u30c3\u30c9\u3082\u6301\u305f\u306a\u3044\u30de\u30fc\u30ab\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u30af\u30e9\u30b9\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u30e1\u30bd\u30c3\u30c9\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3001\u5217\u6319\u578b\u306a\u3069\u3001Java API\u3092\u30de\u30fc\u30af\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002Java SE 9\u3067\u306f\u3001Oracle Corp\u306f@Deprecated\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5f37\u5316\u3057\u3001\u5ec3\u6b62API\u306b\u95a2\u3059\u308b\u3088\u308a\u8a73\u7d30\u306a\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b\u3068\u540c\u6642\u306b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u9759\u7684\u306a\u4f7f\u7528\u72b6\u6cc1\u3092\u5206\u6790\u3059\u308b\u30c4\u30fc\u30eb\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30d7\u30ea\u30b1\u30fc\u30c8\u3055\u308c\u305fAPI\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u3001\u3053\u306eDeprecated\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306fforRemoval\u30e1\u30bd\u30c3\u30c9\u3068since\u30e1\u30bd\u30c3\u30c9\u306e2\u3064\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
HTTP 2 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/h3>\n
Java SE 9\u3067\u306f\u3001\u30aa\u30e9\u30af\u30eb\u793e\u306fHTTP\/2\u30d7\u30ed\u30c8\u30b3\u30eb\u3068WebSocket\u306e\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u3001\u65b0\u3057\u3044HTTP 2\u30af\u30e9\u30a4\u30a2\u30f3\u30c8API\u3092\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002\u65e2\u5b58\u306e\u307e\u305f\u306f\u30ec\u30ac\u30b7\u30fc\u306eHTTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8API\u306b\u306f\u591a\u304f\u306e\u554f\u984c\u304c\u3042\u308a\u307e\u3059\uff08HTTP\/1.1\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u30b5\u30dd\u30fc\u30c8\u305b\u305a\u3001HTTP\/2\u30d7\u30ed\u30c8\u30b3\u30eb\u3084WebSocket\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u3001\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30e2\u30fc\u30c9\u306e\u307f\u3067\u52d5\u4f5c\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3082\u3042\u308a\u307e\u3059\uff09\u3002\u3053\u306e\u305f\u3081\u3001\u5f7c\u3089\u306f\u3053\u306eHttpURLConnection API\u3092\u65b0\u3057\u3044HTTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u7f6e\u304d\u63db\u3048\u308b\u4e88\u5b9a\u3067\u3059\u3002\u5f7c\u3089\u306f\u65b0\u3057\u3044HTTP 2\u30af\u30e9\u30a4\u30a2\u30f3\u30c8API\u3092\u300cjava.net.http\u300d\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4e0b\u306b\u5c0e\u5165\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002\u305d\u308c\u306fHTTP\/1.1\u3068HTTP\/2\u306e\u4e21\u65b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u540c\u671f\uff08\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30e2\u30fc\u30c9\uff09\u304a\u3088\u3073\u975e\u540c\u671f\u30e2\u30fc\u30c9\u306e\u4e21\u65b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002WebSocket API\u3092\u4f7f\u7528\u3057\u305f\u975e\u540c\u671f\u30e2\u30fc\u30c9\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u65b0\u3057\u3044API\u306fhttps:\/\/download.java.net\/java\/jdk9\/docs\/api\/java\/net\/http\/package-summary.html\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002HTTP 2\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u4f8b\u3067\u3059\u3002<\/p>\n
jshell> import java.net.http.*\r\n\r\njshell> import static java.net.http.HttpRequest.*\r\n\r\njshell> import static java.net.http.HttpResponse.*\r\n\r\njshell> URI uri = new URI(\"https:\/\/rams4java.blogspot.co.uk\/2016\/05\/java-news.html\")\r\nuri ==> https:\/\/rams4java.blogspot.co.uk\/2016\/05\/java-news.html\r\n\r\njshell> HttpResponse response = HttpRequest.create(uri).body(noBody()).GET().response()\r\nresponse ==> java.net.http.HttpResponseImpl@79efed2d\r\n\r\njshell> System.out.println(\"Response was \" + response.body(asString()))\r\n<\/code><\/pre>\n\u4ee5\u4e0b\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65e5\u672c\u8a9e\u3067\u8ff0\u3079\u3089\u308c\u305f\u30d1\u30e9\u30d5\u30ec\u30fc\u30ba\u3092\u63d0\u4f9b\u3057\u307e\u3059\uff1a
\nHTTP\/2\u30d7\u30ed\u30c8\u30b3\u30eb\u3068WebSocket\u306e\u7406\u89e3\u306b\u306f\u3001Java SE 9: HTTP 2 Client\u306e\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002\u65b0\u3057\u3044API\u306e\u5229\u70b9\u3068\u65e7API\u306e\u6b20\u70b9\u306b\u3064\u3044\u3066\u3001\u3044\u304f\u3064\u304b\u306e\u6709\u7528\u306a\u4f8b\u3092\u4ea4\u3048\u3066\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30de\u30eb\u30c1\u89e3\u50cf\u5ea6\u306e\u753b\u50cfAPI<\/h3>\n
Java SE 9\u3067\u3001\u30aa\u30e9\u30af\u30eb\u682a\u5f0f\u4f1a\u793e\u306f\u65b0\u3057\u3044\u30de\u30eb\u30c1\u89e3\u50cf\u5ea6\u753b\u50cfAPI\u3092\u5c0e\u5165\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002\u3053\u306eAPI\u306e\u91cd\u8981\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306fMultiResolutionImage\u3067\u3059\u3002\u3053\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u3001java.awt.image\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002MultiResolutionImage\u306f\u3001\u7570\u306a\u308b\u9ad8\u3055\u3068\u5e45\uff08\u3064\u307e\u308a\u3001\u7570\u306a\u308b\u89e3\u50cf\u5ea6\uff09\u3092\u6301\u3064\u4e00\u9023\u306e\u753b\u50cf\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3001\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u305d\u308c\u3089\u3092\u30af\u30a8\u30ea\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
Java 9\u306e\u305d\u306e\u4ed6\u306e\u6a5f\u80fd<\/h3>\n
\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u3055\u307e\u3056\u307e\u306aJava SE 9\u306e\u65b0\u6a5f\u80fd\u3092\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u91cd\u8981\u306a\u6a5f\u80fd\u3067\u3042\u308b\u3068\u306f\u8a00\u3063\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3042\u308a\u3001\u3044\u304f\u3064\u304b\u306e\u6709\u7528\u306a\u4f8b\u3092\u7528\u3044\u3066\u3088\u304f\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u73fe\u6642\u70b9\u3067\u306f\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066\u306e\u60c5\u5831\u304c\u5341\u5206\u306b\u5f97\u3089\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u305d\u308c\u3086\u3048\u3001\u7c21\u5358\u306a\u7406\u89e3\u306e\u305f\u3081\u306b\u3053\u3053\u306b\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6a5f\u80fd\u3092\u4e00\u3064\u305a\u3064\u53d6\u308a\u4e0a\u3052\u3001\u4e0a\u8a18\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u7c21\u5358\u306a\u8b70\u8ad6\u3068\u4f8b\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u5f8c\u3067\u5225\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
\n- GC (Garbage Collector) Improvements<\/li>\n
- Stack-Walking API<\/li>\n
- Filter Incoming Serialization Data<\/li>\n
- Deprecate the Applet API<\/li>\n
- Indify String Concatenation<\/li>\n
- Enhanced Method Handles<\/li>\n
- Java Platform Logging API and Service<\/li>\n
- Compact Strings<\/li>\n
- Parser API for Nashorn<\/li>\n
- Javadoc Search<\/li>\n
- HTML5 Javadoc<\/li>\n<\/ul>\n
Java 9\u306e\u6a5f\u80fd\u3092\u4e00\u3064\u305a\u3064\u53d6\u308a\u4e0a\u3052\u3001\u5341\u5206\u306a\u8aac\u660e\u3068\u4f8b\u3092\u4ea4\u3048\u3066\u66f4\u65b0\u3057\u307e\u3059\u3002\u3053\u308c\u304cJava 9\u306e\u6a5f\u80fd\u306e\u7c21\u6f54\u306a\u8aac\u660e\u3068\u4f8b\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Java 9\u306f\u91cd\u8981\u306a\u30ea\u30ea\u30fc\u30b9\u3067\u3042\u308a\u3001\u958b\u767a\u8005\u306b\u591a\u304f\u306e\u6a5f\u80fd\u3092\u3082\u305f\u3089\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Java 9\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002 Java 10\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002Java 10\u306e\u30ea\u30ea\u30fc\u30b9\u306e\u5b8c\u5168\u306a\u6982\u8981\u306b\u3064\u3044\u3066\u306f\u3001J […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-735","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"\n
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