# Resource Reader and Writer

## Resource Reader 샘플 코드

```java
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.Objects;

public class ResourceReaderFile {

    private BufferedReader bufferedReader;

    public ResourceReaderFile(String fileName) {
        bufferedReader = new BufferedReader(new InputStreamReader(Objects.requireNonNull(this.getClass().getResourceAsStream(fileName))));
    }

    public Reader getReader() {
        return bufferedReader;
    }

    public String readLine() {
        try {
            return bufferedReader.readLine();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}
```

## Resource Writer 샘플 코드

```java
import java.io.*;

public class ResourceWriterFile {

    private BufferedWriter bufferedWriter;

    public ResourceWriterFile(String fileName){
        String filePath = fileName;

        File file = new File(filePath);
        if (!file.exists()){
            try {
                file.createNewFile();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }

        try {
            bufferedWriter = new BufferedWriter(new FileWriter(file));
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public void writeLine(String line){
        try {
            bufferedWriter.write(line);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public void close(){
        try {
            bufferedWriter.flush();
            bufferedWriter.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://jihoony.gitbook.io/developers-notes/developer/readme/maven/resource-reader-and-writer.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.