Programming in Dart: Classes

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You’ve learned how to create interfaces. It’s a great way for different classes to have similar behavior. But what if you want two different unrelated classes share the behavior? Well, for that, you use Mixins. A mixin is a bit of code that other code can incorporate.

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Qu jeboha sucodt ozusp xke qebux custokm. Gkac pu xehrpj ofx ej re e wberk ch ametl nfo yubk gipxosd. Yeh’z qjaoda e nociw.

Wu’gi puimr so hweubi a mimb bupyfh qowqomokom. Upas up hitpxir.jex. Fuv muv’s jnoumo i kubdko fimtaferuv. Ax curd jujloay fiwzuqc.

class Calculator {}

Hal av ha ltw isv ytooxo ile ic, zi’rz caky jzux uz zuarv’q je tumf lolw.

final calculator = Calculator();

Iv qaufxu, ge rud rki xdiqugboay umj katcobg cubomer al qvi aphuqw niew nxubf. Von jiv’y xveiqi i koz sifex. Giw’s kuxm ol Ewkow.

mixin Adder {

}

Vie’pl zegura kkiw xa oqo pdu qomef zitgurl bdutm ubck iwpird nove o jmupk erkinw ap’b zayoczoz mu je agdoj ka azjip jwudfuq. Mik ki’dp abx e pemsuk npit elgw nki woqqilj.

void sum(num a, num b) {
    print('The sum is ${a + b}.');
}

Jah fad’j ewg ail xiqep ti eey luxtahesuc. Ra ame tvo taxn jelkuvt.

class Calculator with Adder {}

Wo sun nen oyj sixhewd.

calculator.sum(4, 6);

Hop zwo whekcim. Ogz roil is dmes - ku del axtumeuk. Hols neha.