Passing parameters at run time

Someone posted to ask the following program why the operation will be wrong?

The method Cypher (InputStream, OutputStream) in the type Myencodertext are not applicable for the arguments (Fileinputstrea M, FileOutputStream)

package package1;import java.io.*;p ublic class myencodertext {     public static void main (String[] args)  throws Exception {         String path0 = args[0];         String path1 = args[1];         Fileinputstream in = new fileinputstream (Path0);         fileoutputstream out = new fileoutputstream (path1);         cypher (in, out);          System.out.println ("End");         out.close ();     }     private static void cypher (Inputstream inp, outputstream  oup)             throws exception {        int  len = -1;        system.out.println ("0:  "  + len);        while  ((Len = inp.read ())  != -1)  {             System.out.println ("1: "  + len);             oup.write (len);// ^ 102 ^ 91             system.out.println ("2: "  + len);         }        system.out.println ("3: "  + oup);     }}

Then, I tried it, as if there was no problem?

It was suggested that he change the parameters of the Cypher method (FileInputStream INP, FileOutputStream OUP),

That's the end of the question. Bored.

and the Oup.write (len^ 102 ^ 91);

I was starting to think of something like a binary shift that would improve the efficiency of things like this,

The result is not at all! It would be a waste of time to annotate it to really perform the operation of copying files.

But this program reminds me of the issue of "passing parameters at runtime",

Wrote a small program:

public class Testargs {public static void main (string[] args) {String Arg1 = args[0];        String Arg2 = args[1];                String Arg3 = args[2];        System.out.println (ARG1);        System.out.println (ARG2);    System.out.println (ARG3); }}

In a CMD small black window or eclipse, as long as the parameters passed are separated by a space,

You can pass parameters to the program.

For example: Java Testargs A B C.

Eclipse is run configurations ... The window will not pass.

Passing parameters at run time