Where is the error in my code?
- by Lulu Larson
/** Yields: a String that contains each capital Letter (in 'A'..'Z') whose representation is prime */
public static String primeChars() {
String s = "";
// inv: s contains each capital in "A'..c-1 whose representation is prime
for (char c = 'A'; c <= 'Z'; c=(char)(c+1)) {
if (Loops.isPrime((int)c) == true) {
s= s+1;
}
}
// s contains each capital in 'A' ..'Z' whose rep is a prime
return s;
}