robe-common/src/main/java/io/robe/common/utils/Strings.java
public static final String capitalizeFirstChar(String word) {
        return Character.toUpperCase(word.charAt(0)) + word.substring(1);
    }
public static final String capitalizeFirstChar(String word) {
        return Character.toUpperCase(word.charAt(0)) + word.substring(1);
    }
public static final String capitalizeFirstChar ( String word ) { return Character . toUpperCase ( word . charAt ( 0 ) ) + word . substring ( 1 ) ; }
Capitalizes the first character of the word given.
It will convert i to I

@param word
@return result
Capitalizes the first character of the word given . It will convert i to I