In Java, What Is The Method To Convert An InputStream Into A String?

To read and convert an InputStream into a String in Java, you can use the java.util.Scanner class or the java.io.BufferedReader class.

Using Scanner class:

import java.util.Scanner;

public class InputStreamToStringExample {
    public static String convertStreamToString(InputStream inputStream) {
        Scanner scanner = new Scanner(inputStream).useDelimiter("\\A");
        return scanner.hasNext() ? scanner.next() : "";
    }

    public static void main(String[] args) {
        InputStream inputStream = /* Your InputStream */;
        String result = convertStreamToString(inputStream);
        System.out.println(result);
    }
}

Using BufferedReader class:

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class InputStreamToStringExample {
    public static String convertStreamToString(InputStream inputStream) throws IOException {
        StringBuilder stringBuilder = new StringBuilder();
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
        String line;
        while ((line = bufferedReader.readLine()) != null) {
            stringBuilder.append(line);
        }
        bufferedReader.close();
        return stringBuilder.toString();
    }

    public static void main(String[] args) {
        InputStream inputStream = /* Your InputStream */;
        try {
            String result = convertStreamToString(inputStream);
            System.out.println(result);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

In both cases, you need to replace /* Your InputStream */ with your actual InputStream object.

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I'm a passionate tech blogger with an insatiable love for programming! From my early days tinkering with code, I've delved into web dev, mobile apps, and AI. Sharing insights and tutorials with the world is my joy, connecting me to a global community of like-minded tech enthusiasts. Python holds a special place in my heart, but I embrace all challenges. Constantly learning, I attend tech conferences, contribute to open-source projects, and engage in code review sessions. My ultimate goal is to inspire the next generation of developers and contribute positively to the ever-evolving tech landscape. Let's code together!