Java InputStream.read(byte[] b, int off, int len)
Syntax
InputStream.read(byte[] b, int off, int len) has the following syntax.
public int read(byte[] b, int off, int len) throws IOException
Example
In the following code shows how to use InputStream.read(byte[] b, int off, int len) method.
/*from w w w . j ava 2 s . co m*/
import java.io.FileInputStream;
import java.io.InputStream;
public class Main {
public static void main(String[] args) throws Exception {
byte[] buffer = new byte[5];
InputStream is = new FileInputStream("C://test.txt");
System.out.println("Characters printed:");
// read stream data into buffer
is.read(buffer, 2, 3);
// for each byte in the buffer
for (byte b : buffer) {
char c = ' ';
// convert byte to character
if (b == 0)// if b is empty
c = '-';
else
c = (char) b;// if b is read
System.out.print(c);
}
is.close();
}
}
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