public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("請輸入妳要轉換的字符:");
String str = sc.nextLine();
String str1 = "";
for (int i = 0; i < str.length(); i++) {
char c = str.charAt(i);
if (Character.isLetter(c)) {
if (Character.isLowerCase(c)) {
c = Character.toUpperCase(c);
}
}
str1 += c;
}
System.out.println("轉換之後的字符為:" + str1);
}
請輸入妳要轉換的字符:
1#sAb$434qwASSwe
轉換之後的字符為:1#SAB$434QWASSWE