LetterChanges.java
· 957 B · Java
Raw
import java.util.*;
import java.io.*;
class Main {
public static String LetterChanges(String str) {
StringBuilder result = new StringBuilder();
for (char c : str.toCharArray()) {
if (Character.isLetter(c)) {
// Shift letter
if (c == 'z') {
c = 'a';
} else if (c == 'Z') {
c = 'A';
} else {
c = (char)(c + 1);
}
// Capitalize vowels
if ("aeiou".indexOf(c) >= 0) {
c = Character.toUpperCase(c);
}
}
result.append(c);
}
return result.toString();
}
public static void main(String[] args) {
System.out.println(LetterChanges("hello*3")); // Output: Ifmmp*3
System.out.println(LetterChanges("fun times!")); // Output: gvO Ujnft!
}
}
| 1 | import java.util.*; |
| 2 | import java.io.*; |
| 3 | |
| 4 | class Main { |
| 5 | public static String LetterChanges(String str) { |
| 6 | StringBuilder result = new StringBuilder(); |
| 7 | |
| 8 | for (char c : str.toCharArray()) { |
| 9 | if (Character.isLetter(c)) { |
| 10 | // Shift letter |
| 11 | if (c == 'z') { |
| 12 | c = 'a'; |
| 13 | } else if (c == 'Z') { |
| 14 | c = 'A'; |
| 15 | } else { |
| 16 | c = (char)(c + 1); |
| 17 | } |
| 18 | |
| 19 | // Capitalize vowels |
| 20 | if ("aeiou".indexOf(c) >= 0) { |
| 21 | c = Character.toUpperCase(c); |
| 22 | } |
| 23 | } |
| 24 | result.append(c); |
| 25 | } |
| 26 | |
| 27 | return result.toString(); |
| 28 | } |
| 29 | |
| 30 | public static void main(String[] args) { |
| 31 | System.out.println(LetterChanges("hello*3")); // Output: Ifmmp*3 |
| 32 | System.out.println(LetterChanges("fun times!")); // Output: gvO Ujnft! |
| 33 | } |
| 34 | } |
| 35 |