Java DataInputStream.read(byte[] b)方法範例

DataInputStream.read(byte[] b)方法的語法如下所示。

public final int read(byte[] b)  throws IOException

範例

在下面的程式碼顯示如何使用DataInputStream.read(byte[] b)方法。

import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

public class Main {//::w W w .Y I iBa i  .c O M
  public static void main(String[] args) throws IOException {

    InputStream is = new FileInputStream("c:\\test.txt");

    DataInputStream dis = new DataInputStream(is);

    int count = is.available();

    byte[] bs = new byte[count];

    dis.read(bs);

    for (byte b : bs) {
      char c = (char) b;
      System.out.print(c);
    }

  }
}