Java DataInputStream .readFully (byte[] b, int off, int len)
Syntax
DataInputStream.readFully(byte[] b, int off, int len) has the following syntax.
public final void readFully(byte[] b, int off, int len) throws IOException
Example
In the following code shows how to use DataInputStream.readFully(byte[] b, int off, int len) method.
/*from w w w. j av a2 s . c o m*/
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
public class Main {
public static void main(String[] args) throws IOException {
InputStream is = new FileInputStream("c:\\test.txt");
DataInputStream dis = new DataInputStream(is);
int length = dis.available();
byte[] buf = new byte[length];
dis.readFully(buf, 4, 5);
for (byte b : buf) {
char c = '0';
if (b != 0){
c = (char) b;
}
System.out.print(c);
}
}
}
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