2943 (backwards)

even beginners should understand this little piece of java-code, that turns a given string right to left.

class backwards {
	public static void main(String[] args) {
		String s = "", charout = "";
		int l = 0, i = 0, position = 0;
		s = eingabe.readString("String:");
		l = s.length();
		for (i=l;i>0;i--) {
			charout = s.substring (i-1,i);
			System.out.print(charout);
		}
		System.out.println();
	}	
}

some keys

#

#


the following javaprogram reads any keypress without Enter and its output is the key and its asciivalue in brackets. as precaution jcurses has to be properly set up. ctrl-c or ‘#’ ends the program. only the input is coded, a simple System.out.println serves as output. as processing of the values nearly anything can be imagined.

import jcurses.system.InputChar;
import jcurses.system.Toolkit;

public class readchar3 {
public static void main (String[] args)
{
String st;
char ch;
int i;
st = “”;
ch = ‘ ‘;
i = 0;
while (true)
{
InputChar c = Toolkit.readCharacter();
ch = c.getCharacter();
i = (int) ch;
System.out.print (“you typed ” + ch + “(” + i + “)\n\r”);
// break on ‘#’
if (ch == ‘#’) break;
}
System.out.println (“Programm wird beendet. Verarbeitung kann beginnen.”);
}
}
—-
https://www.minds.com/blog/view/487276494029070336/some-keys
https://minds.com/ewing

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