質問編集履歴
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情報の追加
test
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File without changes
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test
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@@ -81,3 +81,165 @@
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81
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いろいろ試してみたのですが”,”が来た時の処理の仕方がよくわかりません
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説明が分かりにくかったかもしれませんがどうかご教授お願いします
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84
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85
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86
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**追記**
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一応すべてのコードとエラーを書きます
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```java
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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public class GameMain {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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int[] data=new int[40];
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120
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try{
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123
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BufferedReader br = new BufferedReader(new FileReader("f:\\Test\\MKDir\\test.txt"));
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String s;
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s=br.readLine();
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System.out.println(s);
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br.close();
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//文字から数字に変換-------------------------------
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String[] numStrings = s.split(",");
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ArrayList numbers = new ArrayList();
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for(String str : numStrings){
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str = str.trim();
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int num = Integer.parseInt(str);//33行目
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numbers.add(num);
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System.out.print(numbers);
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}
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//System.out.print(data[0]);
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}catch(IOException e){
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System.out.println("ﾌｧｲﾙ読み込みｴﾗｰ");
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}
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}
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/*
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* ﾌｫﾙﾀﾞｰの製作
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*/
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public static void MKFolder(){
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File f = new File("f:\\Test\\MKDir");
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boolean r = f.mkdirs();
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System.out.println("結果= "+r);
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}
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/*
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186
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* ﾃｷｽﾄに文字列を書き込み
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*/
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public static void MKText(){
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try{
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PrintWriter pw = new PrintWriter("f:\\Test\\MKDir\\test.txt");
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pw.println("プログラムテスト");
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198
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pw.println("プログラムテスト２");
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pw.close();
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System.out.println("書き込み成功");
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204
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}catch(IOException e){
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206
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System.out.println("ファイル書き出しエラー");
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208
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209
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}
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210
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}
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212
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213
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214
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215
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}
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216
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217
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```
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218
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219
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220
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221
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```text
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222
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223
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1234,5678,1,23,156,78912,345,6789,123
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224
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225
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```
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226
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227
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228
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+
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229
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```ここに言語を入力
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230
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+
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231
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1234,5678,1,23,156,78912,345,6789,123
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232
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233
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Exception in thread "main" java.lang.NumberFormatException: For input string: "1234"
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234
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235
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at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
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236
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237
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at java.lang.Integer.parseInt(Integer.java:580)
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238
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239
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at java.lang.Integer.parseInt(Integer.java:615)
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240
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+
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241
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+
at tnw.game.g29.GameMain.main(GameMain.java:33)
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242
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243
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244
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245
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```
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