package lectures.scanning;
import util.annotations.WebDocuments;
@WebDocuments({"Lectures/Scanning.pptx", "Lectures/Scanning.pdf", "Videos/Scanning.avi"})
public class AnUpperCasePrinter {
public static void main(String[] args) {
if (args.length != 1) {
System.out.println("Illegal number of arguments:" + args.length
+ ". Terminating program.");
System.exit(-1);
}
String scannedString = args[0];
System.out.println("Upper Case Letters:");
int index = 0;
while (index < scannedString.length()) {
char nextLetter = scannedString.charAt(index);
if (nextLetter >= 'A' && nextLetter <= 'Z')
System.out.print(nextLetter);
index++;
}
System.out.println();
}
}