{"id":567,"date":"2023-09-04T10:43:46","date_gmt":"2022-11-16T01:47:30","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/java%e3%81%a72%e3%81%a4%e3%81%ae%e3%83%aa%e3%82%b9%e3%83%88%e3%82%92%e3%83%9e%e3%83%bc%e3%82%b8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%ef%bc%9f\/"},"modified":"2025-08-01T00:40:13","modified_gmt":"2025-07-31T15:40:13","slug":"java%e3%81%a72%e3%81%a4%e3%81%ae%e3%83%aa%e3%82%b9%e3%83%88%e3%82%92%e3%83%9e%e3%83%bc%e3%82%b8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a72%e3%81%a4%e3%81%ae%e3%83%aa%e3%82%b9%e3%83%88%e3%82%92%e3%83%9e%e3%83%bc%e3%82%b8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%ef%bc%9f\/","title":{"rendered":"Java\u30672\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u65b9\u6cd5\u306f\uff1f"},"content":{"rendered":"

Java\u3067\u306e2\u3064\u306e\u30ea\u30b9\u30c8\u306e\u30de\u30fc\u30b8\u306f\u3001\u3057\u3070\u3057\u3070\u4fbf\u5229\u306a\u64cd\u4f5c\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30ea\u30b9\u30c8\u306f\u3001ArrayList\u307e\u305f\u306fLinkedList\u3067\u3042\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

Java\u30672\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u65b9\u6cd5<\/h2>\n

\u8907\u6570\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u304c\u3001Java\u3067\u306f2\u3064\u306e\u30ea\u30b9\u30c8\u3092\u7d50\u5408\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ed5\u4e8b\u3092\u5b8c\u4e86\u3059\u308b\u305f\u3081\u306b\u7c21\u5358\u306a\u65b9\u6cd5\u306e\u4e2d\u304b\u3089\u3044\u304f\u3064\u304b\u3092\u63a2\u3063\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n

1. 2\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u305f\u3081\u306eaddAll()\u30e1\u30bd\u30c3\u30c9<\/h3>\n

addAll()\u30e1\u30bd\u30c3\u30c9\u306f\u30012\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u3067\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n

ArrayList\u306b\u3064\u3044\u3066\uff1a<\/p>\n

import<\/span> java.<\/span>util.<\/span><\/span>ArrayList<\/span><\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span>\r\n    {<\/span>\r\nArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span> l1 =<\/span> new<\/span> ArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        l1.<\/span>add<\/span>(<\/span>1<\/span>)<\/span>;<\/span>\r\n        l1.<\/span>add<\/span>(<\/span>3<\/span>)<\/span>;<\/span>\r\n        l1.<\/span>add<\/span>(<\/span>5<\/span>)<\/span>;<\/span>\r\nArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span> l2 =<\/span> new<\/span> ArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        l2.<\/span>add<\/span>(<\/span>2<\/span>)<\/span>;<\/span>\r\n        l2.<\/span>add<\/span>(<\/span>4<\/span>)<\/span>;<\/span>\r\n        l2.<\/span>add<\/span>(<\/span>6<\/span>)<\/span>;<\/span>\r\nArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span> merge =<\/span> new<\/span> ArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        merge.<\/span>addAll<\/span>(<\/span>l1)<\/span>;<\/span>\r\n        merge.<\/span>addAll<\/span>(<\/span>l2)<\/span>;<\/span>\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"L1 : \"<\/span>+<\/span>l1)<\/span>;<\/span>\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"L2 : \"<\/span>+<\/span>l2)<\/span>;<\/span>\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"Merged : \"<\/span>+<\/span>merge)<\/span>;<\/span>\r\n}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\"Merge<\/div>\n
\u8981\u7d20\u306e\u51fa\u73fe\u9806\u5e8f\u304caddAll\uff08\uff09\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u9806\u5e8f\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u306b\u3064\u3044\u3066:<\/p>\n
import<\/span> java.<\/span>util.<\/span><\/span>LinkedList<\/span><\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span>\r\n    {<\/span>\r\nLinkedList<\/span><<\/span>Integer<\/span>><\/span><\/span> L1<\/span> =<\/span> new<\/span> LinkedList<\/span><<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        L1<\/span>.<\/span>add<\/span>(<\/span>1<\/span>)<\/span>;<\/span>\r\n        L1<\/span>.<\/span>add<\/span>(<\/span>3<\/span>)<\/span>;<\/span>\r\n        L1<\/span>.<\/span>add<\/span>(<\/span>5<\/span>)<\/span>;<\/span>\r\nLinkedList<\/span><<\/span>Integer<\/span>><\/span><\/span> L2<\/span> =<\/span> new<\/span> LinkedList<\/span><<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        L2<\/span>.<\/span>add<\/span>(<\/span>2<\/span>)<\/span>;<\/span>\r\n        L2<\/span>.<\/span>add<\/span>(<\/span>4<\/span>)<\/span>;<\/span>\r\n        L2<\/span>.<\/span>add<\/span>(<\/span>6<\/span>)<\/span>;<\/span>\r\nLinkedList<\/span><<\/span>Integer<\/span>><\/span><\/span> merged =<\/span> new<\/span> LinkedList<\/span><<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        merged.<\/span>addAll<\/span>(<\/span>L1<\/span>)<\/span>;<\/span>\r\n        merged.<\/span>addAll<\/span>(<\/span>L2<\/span>)<\/span>;<\/span>\r\n\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"L1 : \"<\/span>+<\/span>L1<\/span>)<\/span>;<\/span>\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"L2 : \"<\/span>+<\/span>L2<\/span>)<\/span>;<\/span>\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"Merged : \"<\/span>+<\/span>merged)<\/span>;<\/span>\r\n}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\"LinkedList<\/div>\n
2. Java\u30672\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u305f\u3081\u306b\u3001\u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3002<\/h3>\n
\u79c1\u305f\u3061\u306f\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30b9\u30c8\u3092\u30c8\u30e9\u30d0\u30fc\u30b9\u3057\u3066\u30de\u30fc\u30b8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
ArrayList\u306b\u3064\u3044\u3066:<\/p>\n
import<\/span> java.<\/span>util.<\/span><\/span>ArrayList<\/span><\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span>\r\n    {<\/span>\r\nArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span> l1 =<\/span> new<\/span> ArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        l1.<\/span>add<\/span>(<\/span>1<\/span>)<\/span>;<\/span>\r\n        l1.<\/span>add<\/span>(<\/span>3<\/span>)<\/span>;<\/span>\r\n        l1.<\/span>add<\/span>(<\/span>5<\/span>)<\/span>;<\/span>\r\nArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span> l2 =<\/span> new<\/span> ArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        l2.<\/span>add<\/span>(<\/span>2<\/span>)<\/span>;<\/span>\r\n        l2.<\/span>add<\/span>(<\/span>4<\/span>)<\/span>;<\/span>\r\n        l2.<\/span>add<\/span>(<\/span>6<\/span>)<\/span>;<\/span>\r\n\r\nArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span> Itmerge<\/span> =<\/span> new<\/span> ArrayList<\/span><<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        Iterator<\/span> i =<\/span> l1.<\/span>iterator<\/span>(<\/span>)<\/span>;<\/span>\r\n        while<\/span> (<\/span>i.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>\r\n           Itmerge<\/span>.<\/span>add<\/span>(<\/span>(<\/span>int<\/span>)<\/span>i.<\/span>next<\/span>(<\/span>)<\/span>)<\/span>;<\/span>\r\n        }<\/span>\r\n        i=<\/span>l2.<\/span>iterator<\/span>(<\/span>)<\/span>;<\/span>\r\n        while<\/span> (<\/span>i.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>\r\n            Itmerge<\/span>.<\/span>add<\/span>(<\/span>(<\/span>int<\/span>)<\/span>i.<\/span>next<\/span>(<\/span>)<\/span>)<\/span>;<\/span>\r\n        }<\/span>\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"L1 : \"<\/span>+<\/span>l1)<\/span>;<\/span>\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"L2 : \"<\/span>+<\/span>l2)<\/span>;<\/span>\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"Merged : \"<\/span>+<\/span>Itmerge<\/span>)<\/span>;<\/span>\r\n}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u306f\u6700\u521d\u306bArrayList l1\u3092\u30c8\u30e9\u30d0\u30fc\u30b9\u3057\u3001\u3059\u3079\u3066\u306e\u8981\u7d20\u3092Itmerge\u306b\u8ffd\u52a0\u3057\u3001\u305d\u306e\u5f8cArrayList l2\u3092\u30c8\u30e9\u30d0\u30fc\u30b9\u3057\u3001\u3059\u3079\u3066\u306e\u8981\u7d20\u3092Itmerge\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\"Iterator<\/div>\n
\u4e8c\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u5225\u306e\u65b9\u6cd5\u306f\u3001\u5358\u306b\u4e00\u65b9\u306e\u30ea\u30b9\u30c8\u304b\u3089\u8981\u7d20\u3092\u4ed6\u65b9\u306e\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u65e2\u5b58\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u65b0\u305f\u306b\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
Iterator<\/span> i =<\/span> l1.<\/span>iterator<\/span>(<\/span>)<\/span>;<\/span>\r\nwhile<\/span> (<\/span>i.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span>\r\n{<\/span>\r\n  l2.<\/span>add<\/span>(<\/span>(<\/span>int<\/span>)<\/span>i.<\/span>next<\/span>(<\/span>)<\/span>)<\/span>;<\/span>\r\n}<\/span>\r\n\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"Merged : \"<\/span>+<\/span>l2)<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u3053\u306e\u5834\u5408\u3001\u8981\u7d20\u3059\u3079\u3066\u304c\u30ea\u30b9\u30c8l2\u306b\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4f59\u5206\u306a\u30ea\u30b9\u30c8\u306e\u4f5c\u6210\u306b\u4f7f\u308f\u308c\u308b\u30e1\u30e2\u30ea\u304c\u7bc0\u7d04\u3055\u308c\u307e\u3059\u3002\u4e00\u3064\u306e\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u3092\u5225\u306e\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u4f59\u5206\u306a\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb\u304c\u7701\u304b\u308c\u307e\u3059\u3002<\/p>\n
\"Single<\/div>\n
\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u306b\u3064\u3044\u3066\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n
import<\/span> java.<\/span>util.<\/span><\/span>LinkedList<\/span><\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span>\r\n    {<\/span>\r\nLinkedList<\/span><<\/span>Integer<\/span>><\/span><\/span> L1<\/span> =<\/span> new<\/span> LinkedList<\/span><<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        L1<\/span>.<\/span>add<\/span>(<\/span>1<\/span>)<\/span>;<\/span>\r\n        L1<\/span>.<\/span>add<\/span>(<\/span>3<\/span>)<\/span>;<\/span>\r\n        L1<\/span>.<\/span>add<\/span>(<\/span>5<\/span>)<\/span>;<\/span>\r\nLinkedList<\/span><<\/span>Integer<\/span>><\/span><\/span> L2<\/span> =<\/span> new<\/span> LinkedList<\/span><<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        L2<\/span>.<\/span>add<\/span>(<\/span>2<\/span>)<\/span>;<\/span>\r\n        L2<\/span>.<\/span>add<\/span>(<\/span>4<\/span>)<\/span>;<\/span>\r\n        L2<\/span>.<\/span>add<\/span>(<\/span>6<\/span>)<\/span>;<\/span>\r\nLinkedList<\/span><<\/span>Integer<\/span>><\/span><\/span> merged =<\/span> new<\/span> LinkedList<\/span><<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n      \r\n        Iterator<\/span> i =<\/span> L1<\/span>.<\/span>iterator<\/span>(<\/span>)<\/span>;<\/span>\r\n        while<\/span> (<\/span>i.<\/span>hasNext<\/span>(<\/span>)<\/span>)<\/span> {<\/span>\r\n           L2<\/span>.<\/span>add<\/span>(<\/span>(<\/span>int<\/span>)<\/span>i.<\/span>next<\/span>(<\/span>)<\/span>)<\/span>;<\/span>\r\n        }<\/span>\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>L2<\/span>)<\/span>;<\/span>\r\n}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\"Linkedlist<\/div>\n
3. \u30eb\u30fc\u30d7\u3092\u4f7f\u3063\u3066\u8907\u6570\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u3002<\/h3>\n
\u30eb\u30fc\u30d7\u30822\u3064\u306e\u30ea\u30b9\u30c8\u3092\u7d50\u5408\u3059\u308b\u306e\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n
ArrayList\u306e\u305f\u3081\u306b:<\/p>\n
import<\/span> java.<\/span>util.<\/span><\/span>ArrayList<\/span><\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span>\r\n    {<\/span>\r\nArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span> l1 =<\/span> new<\/span> ArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        l1.<\/span>add<\/span>(<\/span>1<\/span>)<\/span>;<\/span>\r\n        l1.<\/span>add<\/span>(<\/span>3<\/span>)<\/span>;<\/span>\r\n        l1.<\/span>add<\/span>(<\/span>5<\/span>)<\/span>;<\/span>\r\nArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span> l2 =<\/span> new<\/span> ArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        l2.<\/span>add<\/span>(<\/span>2<\/span>)<\/span>;<\/span>\r\n        l2.<\/span>add<\/span>(<\/span>4<\/span>)<\/span>;<\/span>\r\n        l2.<\/span>add<\/span>(<\/span>6<\/span>)<\/span>;<\/span>\r\nArrayList<\/span><<\/span>Integer<\/span>><\/span><\/span> Itmerge<\/span> =<\/span> new<\/span> ArrayList<\/span><<\/span>><\/span><\/span>(<\/span>)<\/span>;<\/span>\r\n        for<\/span>(<\/span>int<\/span> i=<\/span>0<\/span>;<\/span>i<<\/span>l1.<\/span>size<\/span>(<\/span>)<\/span>;<\/span>i++<\/span>)<\/span>{<\/span>\r\n            Itmerge<\/span>.<\/span>add<\/span>(<\/span>l1.<\/span>get<\/span>(<\/span>i)<\/span>)<\/span>;<\/span>\r\n        }<\/span>\r\n        for<\/span>(<\/span>int<\/span> i=<\/span>0<\/span>;<\/span>i<<\/span>l2.<\/span>size<\/span>(<\/span>)<\/span>;<\/span>i++<\/span>)<\/span>{<\/span>\r\n            Itmerge<\/span>.<\/span>add<\/span>(<\/span>l2.<\/span>get<\/span>(<\/span>i)<\/span>)<\/span>;<\/span>\r\n        }<\/span>\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>Itmerge<\/span>)<\/span>;<\/span>\r\n}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u30eb\u30fc\u30d7\u306f\u4e21\u65b9\u306eArrayList\u3092\u8d70\u67fb\u3057\u3001\u5404\u8981\u7d20\u3092\u65b0\u3057\u304f\u4f5c\u6210\u3057\u305f\u30ea\u30b9\u30c8\u306b1\u3064\u305a\u3064\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
\u4e00\u3064\u306e\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u3092\u5225\u306e\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u4f59\u5206\u306a\u8d70\u67fb\u3092\u7701\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
 for<\/span>(<\/span>int<\/span> i=<\/span>0<\/span>;<\/span>i<<\/span>l2.<\/span>size<\/span>(<\/span>)<\/span>;<\/span>i++<\/span>)<\/span>{<\/span>\r\n      l1.<\/span>add<\/span>(<\/span>l2.<\/span>get<\/span>(<\/span>i)<\/span>)<\/span>;<\/span>\r\n   }<\/span>\r\nSystem<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>l1)<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u3053\u306e for \u30eb\u30fc\u30d7\u306f\u3001l2 \u306e\u8981\u7d20\u30921\u3064\u305a\u3064 l1 \u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001l1 \u306b\u306f\u30de\u30fc\u30b8\u3055\u308c\u305f\u8981\u7d20\u306e\u6700\u7d42\u30ea\u30b9\u30c8\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n
\"Forloop<\/div>\n
\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u306b\u3064\u3044\u3066\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n
\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u306e\u30c8\u30e9\u30d0\u30fc\u30b9\u3092\u5c11\u3057\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u72ec\u81ea\u306e\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u3092\u5b9a\u7fa9\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u3053\u308c\u306b\u306f\u3001\u30ce\u30fc\u30c9\u7528\u306e\u30af\u30e9\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002\u30ce\u30fc\u30c9\u306f\u3001\u30c7\u30fc\u30bf\u3068\u6b21\u306e\u30ce\u30fc\u30c9\u306e\u30a2\u30c9\u30ec\u30b9\u306e2\u3064\u306e\u8981\u7d20\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u30af\u30e9\u30b9\u30ce\u30fc\u30c9\u306e\u30b3\u30fc\u30c9\uff1a<\/p>\n
public<\/span> class<\/span> node {<\/span>\r\n    int<\/span> data;<\/span>\r\n    node next;<\/span>\r\n    public<\/span> node<\/span>(<\/span>int<\/span> data)<\/span>{<\/span>\r\n        this<\/span>.<\/span>data=<\/span>data;<\/span>\r\n        next=<\/span>null<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u524d\u306e\u4f8b\u3067\u4f7f\u7528\u3055\u308c\u305f\u306e\u3068\u540c\u30582\u3064\u306e\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u3001\u6b21\u306e\u306f\u30ce\u30fc\u30c9\u578b\u3067\u3059\u3068\u3044\u3046\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span>\r\n    {<\/span>        \r\n        node head =<\/span> new<\/span> node<\/span>(<\/span>1<\/span>)<\/span>;<\/span>\r\n        node temp =<\/span> new<\/span> node<\/span>(<\/span>3<\/span>)<\/span>;<\/span>\r\n        head.<\/span>next=<\/span>temp;<\/span>\r\n        node temp1 =<\/span> new<\/span> node<\/span>(<\/span>5<\/span>)<\/span>;<\/span>\r\n        temp.<\/span>next=<\/span>temp1;<\/span>\r\n        node head2 =<\/span> new<\/span> node<\/span>(<\/span>2<\/span>)<\/span>;<\/span>\r\n        node temp2 =<\/span> new<\/span> node<\/span>(<\/span>4<\/span>)<\/span>;<\/span>\r\n        head2.<\/span>next=<\/span>temp2;<\/span>\r\n        node temp3 =<\/span> new<\/span> node<\/span>(<\/span>6<\/span>)<\/span>;<\/span>\r\n        temp2.<\/span>next=<\/span>temp3;<\/span>\r\n}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
\"Lists<\/div>\n
\u5404\u77e2\u5370\u306f\u6b21\u306e\u30ea\u30f3\u30af\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u30022\u3064\u306e\u30ea\u30b9\u30c8\u3092\u3064\u306a\u3052\u308b\u305f\u3081\u306b\u3001\u6700\u521d\u306e\u30ea\u30b9\u30c8\u306e\u672b\u5c3e\u30922\u3064\u76ee\u306e\u30ea\u30b9\u30c8\u306e\u5148\u982d\u306b\u30ea\u30f3\u30af\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\"List<\/div>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff1a<\/p>\n
node trav=<\/span>head;<\/span>\r\nwhile<\/span>(<\/span>trav.<\/span>next!=<\/span>null<\/span>)<\/span>{<\/span>\r\n    trav=<\/span>trav.<\/span>next;<\/span>\r\n}<\/span>\r\ntrav.<\/span>next=<\/span>head2;<\/span>\r\n<\/code><\/pre>\n
\u30ce\u30fc\u30c9\u300ctrav\u300d\u304c\u521d\u671f\u5316\u3055\u308c\u3001\u6700\u521d\u306e\u30ea\u30b9\u30c8\u306e\u5148\u982d\u3092\u6307\u3057\u307e\u3059\u3002\u6700\u521d\u306e\u30ea\u30b9\u30c8\u304c\u7d42\u308f\u308a\u307e\u3067\u30c8\u30e9\u30d0\u30fc\u30b9\u3055\u308c\u308b\u307e\u3067\u3001trav\u306f\u9032\u307f\u307e\u3059\u3002<\/p>\n
\u6700\u5f8c\u306e\u30ce\u30fc\u30c9\u306e\u6b21\u306e\u30ea\u30f3\u30af\u304c\u7d42\u7aef\u306b\u9054\u3059\u308b\u3068\u3001\u305d\u306e\u30ea\u30f3\u30af\u304c\u4e8c\u3064\u76ee\u306e\u30ea\u30b9\u30c8\u306e\u5148\u982d\u306b\u5909\u308f\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e8c\u3064\u306e\u30ea\u30b9\u30c8\u9593\u306b\u30ea\u30f3\u30af\u304c\u5f62\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u5168\u3066\u306e\u30ea\u30b9\u30c8\u3092\u5370\u5237\u3057\u307e\u3059\u3002<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span>\r\n    {<\/span> \r\n        node head =<\/span> new<\/span> node<\/span>(<\/span>1<\/span>)<\/span>;<\/span>\r\n        node temp =<\/span> new<\/span> node<\/span>(<\/span>3<\/span>)<\/span>;<\/span>\r\n        head.<\/span>next=<\/span>temp;<\/span>\r\n        node temp1 =<\/span> new<\/span> node<\/span>(<\/span>5<\/span>)<\/span>;<\/span>\r\n        temp.<\/span>next=<\/span>temp1;<\/span>\r\n        node head2 =<\/span> new<\/span> node<\/span>(<\/span>2<\/span>)<\/span>;<\/span>\r\n        node temp2 =<\/span> new<\/span> node<\/span>(<\/span>4<\/span>)<\/span>;<\/span>\r\n        head2.<\/span>next=<\/span>temp2;<\/span>\r\n        node temp3 =<\/span> new<\/span> node<\/span>(<\/span>6<\/span>)<\/span>;<\/span>\r\n        temp2.<\/span>next=<\/span>temp3;<\/span>\r\n\r\n\/\/printing list 1<\/span>\r\n        System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"List 1 :\"<\/span>)<\/span>;<\/span>\r\n        node trav =<\/span> head;<\/span>\r\n\r\n        while<\/span>(<\/span>trav!=<\/span>null<\/span>)<\/span>{<\/span>\r\n            System<\/span>.<\/span>out.<\/span>print<\/span>(<\/span>trav.<\/span>data +<\/span> \" \"<\/span>)<\/span>;<\/span>\r\n            trav=<\/span>trav.<\/span>next;<\/span>\r\n        }<\/span>\r\n\r\n        System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>)<\/span>;<\/span>\r\n\/\/prinitng list 2<\/span>\r\n        System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"List 2 :\"<\/span>)<\/span>;<\/span>\r\n        trav=<\/span> head2;<\/span>\r\n\r\n        while<\/span>(<\/span>trav!=<\/span>null<\/span>)<\/span>{<\/span>\r\n            System<\/span>.<\/span>out.<\/span>print<\/span>(<\/span>trav.<\/span>data +<\/span> \" \"<\/span>)<\/span>;<\/span>\r\n            trav=<\/span>trav.<\/span>next;<\/span>\r\n        }<\/span>\r\n        System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>)<\/span>;<\/span>\r\n\r\n\/\/merging the two list<\/span>\r\n\r\n         trav=<\/span>head;<\/span>\r\n        while<\/span>(<\/span>trav.<\/span>next!=<\/span>null<\/span>)<\/span>{<\/span>\r\n            trav=<\/span>trav.<\/span>next;<\/span>\r\n        }<\/span>\r\n        trav.<\/span>next=<\/span>head2;<\/span>\r\n\/\/ printing merged list<\/span>\r\n        System<\/span>.<\/span>out.<\/span>println<\/span>(<\/span>\"merged list :\"<\/span>)<\/span>;<\/span>\r\n        trav =<\/span> head;<\/span>\r\n        while<\/span>(<\/span>trav!=<\/span>null<\/span>)<\/span>{<\/span>\r\n            System<\/span>.<\/span>out.<\/span>print<\/span>(<\/span>trav.<\/span>data +<\/span> \" \"<\/span>)<\/span>;<\/span>\r\n            trav=<\/span>trav.<\/span>next;<\/span>\r\n        }<\/span>\r\n}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\"Output<\/div>\n
\u7d50\u8ad6<\/h2>\n
\u79c1\u305f\u3061\u306f\u3001Java\u30672\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u7570\u306a\u308b\u65b9\u6cd5\u3092\u898b\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306f\u3001\u7d44\u307f\u8fbc\u307f\u306e\u95a2\u6570\u304b\u3089\u57fa\u672c\u7684\u306afor\u30eb\u30fc\u30d7\u307e\u3067\u69d8\u3005\u3067\u3059\u3002\u4e0a\u8a18\u306e\u6700\u5f8c\u306e\u4f8b\u306f\u3001Java\u3067\u30ea\u30b9\u30c8\u304c\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u304b\u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u6700\u5f8c\u306e\u4f8b\u306e\u65b9\u6cd5\u3092\u4f7f\u3046\u3068\u3001\u8981\u7d20\u304c\u30ea\u30b9\u30c8\u306b\u8868\u793a\u3055\u308c\u308b\u9806\u5e8f\u3092\u3088\u308a\u5236\u5fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Java\u3067\u306e2\u3064\u306e\u30ea\u30b9\u30c8\u306e\u30de\u30fc\u30b8\u306f\u3001\u3057\u3070\u3057\u3070\u4fbf\u5229\u306a\u64cd\u4f5c\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30ea\u30b9\u30c8\u306f\u3001ArrayList\u307e\u305f\u306fLinkedList\u3067\u3042\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 Java\u30672\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u65b9\u6cd5 \u8907\u6570\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u304c\u3001Java\u3067 […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-567","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"\nJava\u30672\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u65b9\u6cd5\u306f\uff1f - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Java\u30672\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u65b9\u6cd5\u306f\uff1f\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u30672\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u65b9\u6cd5\u306f\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u30672\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u65b9\u6cd5\u306f\uff1f\" \/>\n<meta property=\"og:description\" content=\"Java\u30672\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u65b9\u6cd5\u306f\uff1f\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u30672\u3064\u306e\u30ea\u30b9\u30c8\u3092\u30de\u30fc\u30b8\u3059\u308b\u65b9\u6cd5\u306f\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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