Basic HTML version of Foils prepared 9 Sept 1997

Foil 21 A Computational Class

From Java to be used in (Scientific) Computing Part II: Java Language and Object-Oriented Concepts Basic Simulation Track for Computational Science CPS615 -- Fall Semester 97. by Nancy J. McCracken,Geoffrey C. Fox
1 A class (such as a "main routine") may also be implemented to have just one computational instance.
2 This application reads from standard input and counts number of characters which are then printed
3 class Count {
4 public static void main (String args[])
5 throws java.io.IOException
6 { int count = 0;
  • while (System.in.read() != -1)
  • count++;
  • System.out.println("Input has " + count + " chars.");
7 }}
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