Convert InputStream String Java

Convert InputStream String Java

If you want to convert InputStream to String using java please see sample program below where we are converting InputStream to string two ways:

• Sample java program:

package com.javahonk;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;

import org.apache.commons.io.IOUtils;

public class ConvertInputStreamString {

	public static void main(String[] args) {
		
		try {
			String stringToConvert = "Convert InputStream to String using Java";
			
			// Example 1: Using Apache Commons API
			InputStream inputStream = IOUtils.toInputStream(stringToConvert, "UTF-8");
			
			//Convert InputStream to string
			String stringVlue = IOUtils.toString(inputStream, "UTF-8");
			System.out.println("Example 1: "+stringVlue);

			//Example 2 
			InputStream stream = new ByteArrayInputStream(stringToConvert.getBytes(StandardCharsets.UTF_8));
			
			//Convert InputStream to string
			String convertedStringValue = IOUtils.toString(stream, "UTF-8");
			System.out.println("Example 2: "+convertedStringValue);				
			
		} catch (IOException e) {
			e.printStackTrace();
		}


	}

}

• Output:

For more information about InputStream in java please refer oracle documentation here