Assuming that this is Java and not Javascript, you probably want this:
for(int i=0; i<plainTextUpper.length()-1; i++)
{
System.out.println(plainTextupper.codePointAt(i));
}
Note that this will not process the last character of plainTextUpper
. You probably also want to either get rid of the -1
or change the comparison operator to <=
in the for
termination test.