How do I convert an InputStream into a String in Java?

 To convert an InputStream into a String in Java, you can use the BufferedReader class along with a StringBuilder or StringBuffer. Here's an example code snippet:

java
public static String convertStreamToString(InputStream inputStream) throws IOException {
    BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
    StringBuilder stringBuilder = new StringBuilder();
    String line = null;
    while ((line = reader.readLine()) != null) {
        stringBuilder.append(line + "\n");
    }
    reader.close();
    return stringBuilder.toString();
}

In this code, we create a BufferedReader object from the InputStream and read each line of the input using the readLine() method. We append each line to a StringBuilder object, along with a newline character. Finally, we close the reader and return the converted String.

Note that this code assumes that the InputStream contains text data. If the InputStream contains binary data, you may need to use a different approach for converting it to a String.