Java program za pretvaranje niza u InputStream

U ovom programu naučit ćemo pretvoriti niz u ulazni tok u Javi.

Da biste razumjeli ovaj primjer, trebali biste imati znanje o sljedećim temama programiranja Java:

  • Java String
  • Java InputStream klasa
  • Java ByteArrayInputStream klasa

Primjer: Java program za pretvaranje niza u InputStream

 import java.io.ByteArrayInputStream; import java.io.InputStream; import java.nio.charset.StandardCharsets; public class Main ( public static void main(String args()) ( // Creates a string String name = "Programiz"; System.out.println("String is: " + name); try ( InputStream stream = new ByteArrayInputStream(name.getBytes(StandardCharsets.UTF_8)); System.out.println("InputStream: " + stream); // Returns the available number of bytes System.out.println("Available bytes at the beginning: " + stream.available()); // Reads 3 bytes from the stream stream stream.read(); stream.read(); stream.read(); // After reading 3 bytes // Returns the available number of bytes System.out.println("Available bytes at the end: " + stream.available()); stream.close(); ) catch (Exception e) ( e.getStackTrace(); ) ) )

Izlaz

 Niz je: Programiz InputStream: java.io.ByteArrayInputStream@5479e3f Dostupni bajtovi na početku: 9 Dostupni bajtovi na kraju: 6

U gornjem primjeru stvorili smo niz s imenom. Evo, pretvaramo niz u ulazni tok pod nazivom stream.

getBytes()Metoda pretvara string u bajtovima. Da biste saznali više, posjetite Java String getBytes ()

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