Question

How to convert a string to title case in Java

Answer 1

class Main {
    public static void main(String[] args) {
        System.out.println(ToTitleCase("string programming functions"));
        System.out.println(ToTitleCase("STRING PROGRAMMING FUNCTIONS"));
    }
 
    public static String ToTitleCase(String s) {
        StringBuilder title = new StringBuilder();
        boolean nextWord = true;
 
        s = s.toLowerCase();
        for (char ch : s.toCharArray()) {
            if (Character.isSpaceChar(ch)) {
                nextWord = true;
            } else if (nextWord) {
                ch = Character.toTitleCase(ch);
                nextWord = false;
            }
            title.append(ch);
        }
        return title.toString();
    }
}



/*
run:

String Programming Functions
String Programming Functions

*/

 

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