In This Language (add your comments or suggestions)

in_this_language.md

Input

foo bar baz qux

Required Output

Hello Foo
Hello Bar
Hello Baz
Hello Qux

---

PHP

$some_words = "foo bar baz qux";

$some_words_parts = explode(' ', $some_words);
foreach($some_words_parts as $word) {
  $title_case_word = ucwords($word);
  echo "Hello {$title_case_word}\n";
}

Ruby

%w(foo bar baz qux).each do |word|
  title_case_word = word.gsub(/\b('?[a-z])/) { $1.capitalize }
  puts "Hello #{title_case_word}\n"
end

"foo bar baz qux".split.each { |word| puts "Hello " + word.capitalize }

credit: @wesbillman

Python

some_words = "foo bar baz qux".split(' ')
for word in some_words:
  print "Hello %s" % word.title()

JavaScript (ES6)

"foo bar baz qux".split(" ").forEach((word) => {
  console.log("Hello " + word.substr(0,1).toUpperCase() + word.substr(1))
})

credit: @kynatro

JavaScript (ES5)

var words = "foo bar baz qux".split(" ");
for(var i in words) {
  var word = words[i]
  console.log("Hello " + word.substr(0,1).toUpperCase() + word.substr(1))
}

credit: @kynatro

C#

var words = "foo bar baz qux".Split(' ');
foreach (var word in words)
{
    Console.WriteLine($"Hello {word.Substring(0, 1).ToUpper()}{word.Substring(1)}");
}

credit: @ymitis

Swift

["foo", "bar", "baz", "qux"].forEach { print("Hello \($0.capitalized)") }

"foo bar baz qux".components(separatedBy: " ").forEach { word in
    print("Hello \(word.capitalized)")
}

credit: @wesbillman

Kotlin

listOf("foo", "bar", "baz", "qux").forEach { println("Hello ${it.capitalize()}") }

"foo bar baz qux".split(" ").forEach { println("Hello ${it.capitalize()}") }

credit: @wesbillman

Coffeescript

"foo bar baz qux".split(" ").forEach (word) ->
  console.log "Hello " + word[0].toUpperCase() + word[1..-1].toLowerCase()

credit: @wesbillman

Go

var words []string = []string{"foo", "bar", "baz", "qux"}

for _, word := range words {
  fmt.Printf("Hello %s\n", strings.Title(word))
}

for _, word := range strings.Split("foo bar baz qux", " ") {
  fmt.Printf("Hello %s\n", strings.Title(word))
}

credit: @wesbillman

Objective C

NSArray* words = @[@"foo", @"bar", @"baz", @"qux"];
for (NSString* word in words) {
  printf("Hello %s\n", [[word capitalizedString] UTF8String]);
}

NSArray* words = [@"foo bar baz qux" componentsSeparatedByString:@" "];
for (NSString* word in words) {
  printf("Hello %s\n", [[word capitalizedString] UTF8String]);
}

credit: @wesbillman