Java FilterInputStream.read()方法範例

Java FilterInputStream.read()方法範例

FilterInputStream.read()方法具有以下語法。

public int read()  throws IOException

範例

在下面的程式碼中展示了如何使用FilterInputStream.read()方法。

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FilterInputStream;
import java.io.InputStream;
// =>  WW  ｗ. yi I BA I.C O  M 
public class Main {
  public static void main(String[] args) throws Exception {

    int i = 0;
    char c;

    // create input streams
    InputStream is = new FileInputStream("C://test.txt");
    FilterInputStream fis = new BufferedInputStream(is);

    // read till the end of the stream
    while ((i = fis.read()) != -1) {
      // converts integer to character
      c = (char) i;

      System.out.println("Character read: " + c);
    }

  }
}