Java read files

Source: Internet
Author: User
Java Read File-general Linux technology-Linux programming and kernel information. The following is a detailed description. /* Readfile. java
Read the file content and output it to the screen as it is
Usage: java Readfile file name
*/

Import java. io .*;

Public class Readfile
{
Public static void main (String [] args)
{
Byte [] buff = new byte [1024];
Boolean cont = true;
FileInputStream infile = null;

// Generate the object infile to prepare to read the file
Try
{
Infile = new FileInputStream (args [0]);
}
Catch (FileNotFoundException e)
{
System. err. println ("file not found ");
System. exit (1 );
}

While (cont)
{
Try
{
Int n = infile. read (buff); // read data from a file
System. out. write (buff, 0, n); // write to System. out
}
Catch (Exception e)
{
Cont = false;
}
}

Try
{
Infile. close ();
}
Catch (IOException e)
{
System. err. println ("file error ");
System. exit (1 );
}
}
}

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