Java FilterInputStream.read(byte[] b)方法示例
FilterInputStream.read(byte[] b)
方法具有以下语法。
public int read(byte[] b) throws IOException
示例
在下面的代码中展示了如何使用FilterInputStream.read(byte[] b)
方法。
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FilterInputStream;
import java.io.InputStream;
// from: w w W . y I IB AI . C o m
public class Main {
public static void main(String[] args) throws Exception {
byte[] buffer = new byte[6];
// create input streams
InputStream is = new FileInputStream("C://test.txt");
FilterInputStream fis = new BufferedInputStream(is);
// returns number of bytes read to buffer
int i = fis.read(buffer);
// prints
System.out.println("Number of bytes read: " + i);
// for each byte in buffer
for (byte b : buffer) {
// converts byte to character
char c = (char) b;
System.out.println("Character read: " + c);
}
}
}