final_variables.md

Final Variables

The initializer of a for loop can also declare final variables.

~void main() {
int i = 0;
for (final String name = "Bob"; i < 5; i++) {
    System.out.println(name + ": " + i);
}
~}

This doesn't have much use with loops that track ints and Strings, but if you are feeling clever you can use this ability along with arrays or other things you can change without reassigning a variable.

~void main() {
for (final char[] letters = { 'I', 'O', 'U' }; letters[0] != 'A';) {
    for (int i = 0; i < letters.length; i++) {
        letters[i] -= 1;
        System.out.print(letters[i]);
    }
    System.out.println();
}

// HNT
// GMS
// FLR
// EKQ
// DJP
// CIO
// BHN
// AGM
~}

There aren't many reasons to do this, but it is in fact not against the law and I cannot stop you.