Java FileInputStream(File file)建構函式範例

Java FileInputStream(File file)建構函式範例

FileInputStream的FileInputStream(File file)建構函式具有以下語法。

public FileInputStream(File file) throws FileNotFoundException

範例

在下面的程式碼顯示如何使用FileInputStream(File file)建構函式。

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

public class Main {
  public static void main(String[] args) throws IOException {
    FileInputStream fis = new FileInputStream(new File("C://test.txt"));

    // skip bytes from file input stream
    fis.skip(4);// @ W w W . y I I b a I.CO m 

    // read bytes from this stream
    int i = fis.read();

    // converts integer to character
    char c = (char) i;
    System.out.print("Character read: " + c);
  }
}