Question

java program to reverse strings (case sensitive)

Answer 1

Answer:

public static String invertCase(String str)

char[] chars = str. toCharArray();

for (int i = 0; i < chars. length; i++)

chars[i] = Character. isUpperCase(chars[i])

? Character. toLowerCase(chars[i])

: Character. toUpperCase(chars[i]);

return new String(chars);

public static void main(String[] args)