質問編集履歴
1
エラーメッセージと、途中までのコードを追加しました。
test
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File without changes
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test
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@@ -134,7 +134,19 @@
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Exception in thread "main" java.lang.Error: Unresolved compilation problems:
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138
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139
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PATH を変数に解決できません
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140
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141
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PATH を変数に解決できません
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143
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PATH2 を変数に解決できません
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144
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menber を変数に解決できません
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146
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148
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137
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-
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at training.test8.main(test8.java:12)
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@@ -210,6 +222,114 @@
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package training;
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228
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229
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import java.io.IOException;
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230
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import java.nio.file.Files;
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232
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import java.nio.file.Paths;
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import java.util.ArrayList;
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public class test801 {
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public static ArrayList<String> maruiti(String path) throws IOException {
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246
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return new ArrayList<String>(Files.readAllLines(Paths.get(path)));
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248
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}
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}
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package training;
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import java.io.IOException;
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263
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import java.util.ArrayList;
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264
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public class test802 {
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269
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// 機能② 人数を数える機能
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270
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public static int maruni() throws IOException {
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ArrayList<String> list = new ArrayList<String>();
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275
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276
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String studentFilePath1 = "C:\Users\user\Documents\Student.txt";
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279
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list = test701.maruiti(studentFilePath1);
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return (int) list.stream().filter(s -> s.contains("S00")).count();
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283
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284
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}
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}
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package training;
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import java.io.IOException;
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import java.util.ArrayList;
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public class test803 {
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//機能③ 指定した教科の合計点を出す機能
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306
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public static int marusan( String Japanese) throws IOException {
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308
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309
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310
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String testResultsFilePath ="C:\Users\user\Documents\test.txt";
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ArrayList<String> list = new ArrayList<String>();
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list = test701.maruiti(testResultsFilePath);
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317
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return (int) list.stream().filter(s -> s.contains(Japanese))
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320
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.map(sub -> sub.split(",")[3]).mapToInt(Integer::parseInt).sum();
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322
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}
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324
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}
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213
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### 試したこと
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214
334
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215
335
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