Java-Programms

• HelloWorld.java
  The obligatory HelloWorld-Programm.
• HelloApplet.java
  The same for an applet.
  - run applet -
• quicksort.java
  The quicksort algorithm in java, by Ulli.

• pgmdiff.java
  computes the RMSE and PSNR of two grayscale (PGM5) pictures and (optionally) writes out the difference picture:

  java pgmdiff -p1 pic1.pgm -p2 pic2.pgm -dp diffpic.pgm

  Uses this classes: pgm.java and PicData.java.