JAVASCRIPT

UpperCase every first letter in each word in str

text.replace(/(^w|sw)/g, m => m.toUpperCase());

Return the provided string with the first letter of each word capitalized

const mySentence = "freeCodeCamp is an awesome resource";
const words = mySentence.split(" ");

for (let i = 0; i < words.length; i++) {
    words[i] = words[i][0].toUpperCase() + words[i].substr(1);
}

words.join(" ");

Capitalize first letter of each word

const toTitleCase = str => str.replace(/(^w|sw)(S*)/g, (_,m1,m2) => m1.toUpperCase()+m2.toLowerCase())

console.log(toTitleCase("heLLo worLd"));
// Hello World

capitalize first letter of a string

const name = 'flavio'
const nameCapitalized = name.charAt(0).toUpperCase() + name.slice(1)

Capitalize first letter

String name;

BufferedReader br = new InputStreamReader(System.in);

String s1 = name.charAt(0).toUppercase());

System.out.println(s1 + name.substring(1));