void main() {
    String word = "java";
    word.toUpperCase();
    IO.println(word);

    word = word.toUpperCase();
    IO.println(word);
}

// From Groundwork, chapter 8 (ch08-strings-as-data), box 3.
// This example is from Groundwork, licensed CC BY-NC-SA 4.0.
// Run with: java ch08_03.java