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package trial.yy.java8.client.stream; | |
import java.util.Arrays; | |
import java.util.List; | |
import java.util.stream.Collectors; | |
/** | |
* Java8 java.util.stream.Stream#filter を試すためのサンプル | |
* User: yy | |
* Date: 13/04/16 | |
* Time: 22:34 | |
*/ | |
public class Java8FilterClient { | |
public static void main(String[] args) { | |
// 操作対象の文字列を格納したList | |
List<String> srclist = Arrays.asList("abc", "abcde", "defg", "x", "xyz", "zzzzzzzz"); | |
// Listの中でlengthが3より大きいものだけにフィルタリングして新しいListに格納する | |
List<String> destList = srclist.stream().filter(e -> e.length() > 3).collect(Collectors.<String>toList()); | |
// 結果(新しいList)の内容をまとめて出力 | |
System.out.println("destList: " + destList); | |
System.out.println("###"); | |
// 結果(新しいList)の内容を個別に出力 | |
destList.forEach(System.out::println); | |
} | |
} |
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