UseStringReaderandReaderInputStreamto Convert a String to anInputStreamin Java The second technique to convert the string toInputStreamuses two methods,StringReaderandReaderInputStream. The former is used to read the string and wrap it into areaderwhile the latter takes two arguments, areaderand thech...
We can read the input using the Scanner class: importjava.util.*;publicclassMain{publicstaticvoidmain(String[]args){// Use the Scanner classScannersc=newScanner(System.in);/* int n = sc.nextInt(); // read input as integer long k = sc.nextLong(); // read input as long double d ...
packagecom.mkyong.string;importjava.io.*;importjava.nio.charset.StandardCharsets;publicclassConvertStringToInputStream{publicstaticfinalintDEFAULT_BUFFER_SIZE=8192;publicstaticvoidmain(String[] args)throwsIOException {Stringname="mkyong.com";// String to InputStreamInputStreamis=newByteArrayInputStream(nam...
How do I convert an InputStream to a string in Java?Brian L. Gorman
at java.base/java.lang.Integer.valueOf(Integer.java:983) at org.arpit.java2blog.java8.ConvertStringToInteger.main(ConvertStringToInteger.java:8) Using valueOf(String) method You can also use valueOf(String) method to convert String to int in java. You can call Integer’s intValue() to...
String in Java. An InputStream is a stream of bytes that can be further used to perform several tasks like reading. In general, it is a class that contains everything in bytes. If we want to convert this stream of bytes to any other type of data, we may have to use specific ...
import java.io.*; import java.util.*; public class TestClass{ public static void main(String[] args) { try { FileInputStream fis = new FileInputStream("in.txt"); BufferedInputStream bStream = new BufferedInputStream(fis); ByteArrayOutputStream baous = new ByteArrayOutputStream(); int ...
Since Java 9, you can use the readAllBytes() method from InputStream to read all bytes into a byte array, as shown below: try (InputStream stream = Files.newInputStream(Paths.get("input.txt"))) { // convert stream to a string String contents = new String(stream.readAllBytes(), Stan...
Here is the complete example of how to read and convert an InputStream to a String. The steps involved are: 1) I have initialized the InputStream after converting the file content to bytes using getBytes() method and then using the ByteArrayInputStream w
Using the Writer Class for String to Byte Array Conversion Another way of converting string to byte array in Java when the encoding class is not known is by using the following snippet: public static byte[] ConvertStringToBytes(string input) { MemoryStream stream = new MemoryStream(); using...