underline

bold

italic

[PRE:]
class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello World!");
    }
}

FONT size="15pt", color="blue", face="cursive"

BR(line break)

center

DIV "Sample text that will appear in 9-point green text, lighter weight"

EM(Emphasis)

SPAN style="color:blue; font-size:16pt; font-weight:bolder; font-family: cursive"

STRONG

H ₂O(Subscript)

20m ²(Superscript)