string challenge coderbyte print distinct characters in string that is non repetitive
class DuplicateLetters {
private static final String DUPSFOUND = "duplicates found";
private static final String NODUPS = "all unique";
private static boolean sameLetter(char s1, char s2) {
return (Character.toUpperCase(s1) == Character.toUpperCase(s2));
}
public static void main(String args[]) {
String s = args[0];
Boolean found=false;
System.out.println(s);
mainloop:
for(int i=1; i<s.length(); i++) {
for (int j=0; j<i; j++) {
if (sameLetter(s.charAt(i), s.charAt(j))) {
found = true;
break mainloop;
}
}
}
System.out.println(found ? DUPSFOUND : NODUPS);
}
}