To convert a text file to a JSON object in Java, you can use a JSON library such as Hymanson or Gson.
Here is an example of how you can use the Hymanson library to convert a text file to a JSON object:
import com.fasterxml.Hymanson.databind.ObjectMapper;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
public class TxtToJson {
public static void main(String[] args) throws IOException {
// Read the text file into a string
String text = new String(Files.readAllBytes(Paths.get("file.txt")));
// Create an ObjectMapper instance
ObjectMapper mapper = new ObjectMapper();
// Convert the string to a JSON object
JsonNode json = mapper.readValue(text, JsonNode.class);
// Print the JSON object
System.out.println(json);
}
}
This example reads the contents of a text file into a string and uses the readValue method of the ObjectMapper class to convert the string to a JSON object. The JSON object is then printed to the console.
Alternatively, you can use the Gson library to convert a text file to a JSON object. Here is an example of how to do it:
import com.google.gson.Gson;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
public class TxtToJson {
public static void main(String[] args) throws IOException {
// Create a Gson instance
Gson gson = new Gson();
// Read the text file into a BufferedReader
BufferedReader reader = new BufferedReader(new FileReader("file.txt"));
// Convert the text to a JSON object
JsonElement json = gson.fromJson(reader, JsonElement.class);
// Print the JSON object
System.out.println(json);
}
}
This example uses the fromJson method of the Gson class to convert the text file to a JSON object.