このソースはData.txtにはいってるデータを参照して表示するプログラムです。 俳句の形式は 古池や/蛙飛び込む/水の音 のように行ごとにスラッシュを入力すれば、ランダムでどれか表示されます。
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August 29, 2015 14:17
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プログラミング生放送 俳句コンテスト 外部ファイル読み込み ver.
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import java.io.BufferedReader; | |
import java.io.InputStreamReader; | |
import java.util.Random; | |
import java.io.File; | |
import java.io.FileReader; | |
import java.io.FileNotFoundException; | |
import java.io.IOException; | |
public class DataRead_Haiku { | |
static int n = 0; | |
static String[] data; | |
public static void main(String[] args) throws Exception { | |
try{ | |
File file = new File("HaikuData.txt"); | |
BufferedReader br = new BufferedReader(new FileReader(file)); | |
br.mark(1024); | |
while(br.readLine() != null){ | |
n++; | |
} | |
br.reset(); | |
data = new String[n]; | |
for(int i = 0;i < n;i++){ | |
data[i] = br.readLine(); | |
} | |
br.close(); | |
}catch(FileNotFoundException e){ | |
System.out.println(e); | |
}catch(IOException e){ | |
System.out.println(e); | |
} | |
int ran = new Random().nextInt(n);//変数ranにnumの数の乱数を振る | |
String[] strAry = data[ran].split("/");//ranの数字の配列を"/"で3つの配列に分ける。 | |
String a = "" + strAry[0] + " ";//改行の為にスペースを取る | |
String b = " " + strAry[1] + " "; | |
String c = " "+ strAry[2] + " "; | |
for (int i = 0; i < 9; i++){//繰り返して表示していく。 | |
System.out.print(c.substring(i,i+1)); | |
System.out.print(b.substring(i,i+1)); | |
System.out.println(a.substring(i,i+1)); | |
} | |
} | |
} |
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プログラマ/いのちけずって/今日も行く | |
プロ生ちゃん/プログラマーの/癒しの子 | |
スパゲッティ/見かけるだけで/寒気する | |
FFと/聞いて思うは/255 | |
野田さんと/一緒に仕事を/してみたい | |
できますと/言った直後に/後悔が |
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