Java FileInputStream (FileDescriptor fdObj)建構函式範例

Java FileInputStream(FileDescriptor fdObj)建構函式範例

FileInputStream的FileInputStream(FileDescriptor fdObj)建構函式具有以下語法。

public FileInputStream(FileDescriptor fdObj)

範例

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

import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.IOException;

public class Main {
  public static void main(String[] args) throws IOException {
    FileInputStream fis = new FileInputStream(FileDescriptor.in);

    // skip bytes from file input stream
    fis.skip(4);// By:  w WW .Y I IB  A i .c  o m 

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

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