Vorlesung 12 / Aufgabe 2

VL12/Aufgabe02/Aufgabe02.java

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+package VL12.Aufgabe02;
+
+import java.io.IOException;
+import java.io.StreamTokenizer;
+import java.io.StringReader;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+/**
+ * Vorlesung 12 - Ein- und Ausgabe - Aufgabe 2
+ * @author Sebastian Brosch
+ */
+public class Aufgabe02 {
+  public static void main(String[] args) {
+    try {
+      int words = 0;
+      int numbers = 0;
+
+      StringReader stringReader = new StringReader(getInputString(getPathFromPackage() + "/input/input.txt"));
+      StreamTokenizer streamTokenizer = new StreamTokenizer(stringReader);
+
+      while(streamTokenizer.nextToken() != StreamTokenizer.TT_EOF) {
+        switch(streamTokenizer.ttype) {
+          case StreamTokenizer.TT_WORD:
+            words++;
+            System.out.printf("ZEICHENKETTE:\t%s\n", streamTokenizer.sval);
+            break;
+          case StreamTokenizer.TT_NUMBER:
+            numbers++;
+            System.out.printf("ZAHL:\t\t%.0f\n", streamTokenizer.nval);
+            break;
+        }
+      }
+
+      System.out.printf("Gelesene Zahlen: %d\n", numbers);
+      System.out.printf("Gelesene Zeichenketten: %d\n", words);
+      System.out.printf("Insgesamt gelesene Token: %d\n", (numbers + words));
+    } catch (Throwable e) {;}
+  }
+
+  /**
+   * Method to get the content of a file as a string.
+   * @param inputPath The path of the file.
+   * @return The content of the file or an empty string if the file is not available.
+   */
+  private static String getInputString(String inputPath) {
+    try {
+      return new String(Files.readString(Paths.get(inputPath)));
+    } catch (IOException e) {
+      e.printStackTrace();
+      return "";
+    }
+  }
+
+  /**
+   * Method to get the relative path based on the package name.
+   * @return The relative path of the package based on the package name.
+   */
+  private static String getPathFromPackage() {
+    return Aufgabe02.class.getPackageName().replace(".", "/");
+  }
+}

VL12/Aufgabe02/input/input.txt

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+Dieser Text hat 6
+Worte und 2 Zahlen.