Re: swap method in Java

From: Stefan Ram (ram_at_zedat.fu-berlin.de)
Date: 06/22/04 

Date: 22 Jun 2004 21:47:53 GMT

breyn12345@hotmail.com (Bill Reyn) writes:
>/* this swaps 2 integers correctly, BUT its seems non-OO */
>class Swap4
>{
> static int x=5, y=7 ; // this looks horrid!
> public static void main(String [] args){
> WorkItOut w = new WorkItOut();
> w.swaps(x,y);
>System.out.println( " x (was 5)now is " + x + " y (was 7) now is " + y);
> }

  When is it not applicable to swap the variable names in
  the rest of the block? I.e.,

class Swap4a
{ final static int x=5, y=7 ;
  public static void main( final String[] args )
  { System.out.println( "x now is " + y + " y now is " + x ); }}

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