initial commit

.gitignore

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+.vscode
+.DS_Store

file_com/README.md

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+## Getting Started
+
+Welcome to the VS Code Java world. Here is a guideline to help you get started to write Java code in Visual Studio Code.
+
+## Folder Structure
+
+The workspace contains two folders by default, where:
+
+- `src`: the folder to maintain sources
+- `lib`: the folder to maintain dependencies
+
+Meanwhile, the compiled output files will be generated in the `bin` folder by default.
+
+> If you want to customize the folder structure, open `.vscode/settings.json` and update the related settings there.
+
+## Dependency Management
+
+The `JAVA PROJECTS` view allows you to manage your dependencies. More details can be found [here](https://github.com/microsoft/vscode-java-dependency#manage-dependencies).

file_com/src/App.java

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+
+import java.io.File;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public class App {
+    public static void main(String[] args) throws Exception {
+        
+        Path root = Paths.get("/Users/jensreuter");
+        root.getFileSystem();
+        File start_dir = new File("/Users/jensreuter/");
+        System.out.println(start_dir.getAbsolutePath());
+        System.out.println();
+
+        
+        
+
+        for(int i = 0; i < 100; i++){
+            
+        }
+
+    }
+
+    public static void recursive_traversal(){
+
+    }
+}