a

WS23_24/Anwendungsentwicklung/src/P6/A2.java

@@ -1,2 +1,7 @@
-package P6;public class A2 {
+package P6;
+
+public class A2 {
+    public static void main(String[] args) {
+        
+    }
 }

WS23_24/Anwendungsentwicklung/src/P6/Praktikum.java

@@ -1,2 +1,33 @@
-package P6;public class Praktikum {
+package P6;
+
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.*;
+import java.time.LocalDateTime;
+
+public class Praktikum {
+    public static void main(String[] args) {
+        String home = System.getProperty("user.home");
+        String login = System.getProperty("user.name");
+        var time = java.time.LocalDateTime.now();
+
+        Path p = Paths.get(home, "java-text.tmp");
+        try {
+            if (Files.exists(p))
+                Files.delete(p);
+        }catch (IOException ioe){
+
+        }
+        try (var bw = Files.newBufferedWriter(
+                p, StandardOpenOption.APPEND,
+                StandardOpenOption.CREATE)){
+            bw.write(LocalDateTime.now()+"\n");
+            bw.write("Hello "+login+"\n");
+            bw.write("Ende\n");
+        } catch (IOException ex) {
+        ex.printStackTrace();}
+    }
+
 }