Generic questions.
posted 19 years ago
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Number of slices to send:Optional 'thank-you' note:
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What will happen for these two conditions? (can't compile or compile with warning or exception throw during the runtime.)
1)
Basket b1 = new Basket<Orange>(); //1
b1.setElement(new Apple()); //2
Apple apple = (Apple)b1.getElement(); //3
2)
Basket b = new Basket(); //4
Basket<Apple> bA = b; //5
Basket<Orange> bO = b; //6
aA.setElement(new Apple()); //7
Orange orange = bO.getElement(); //8
Thank you very much.
1)
Basket b1 = new Basket<Orange>(); //1
b1.setElement(new Apple()); //2
Apple apple = (Apple)b1.getElement(); //3
2)
Basket b = new Basket(); //4
Basket<Apple> bA = b; //5
Basket<Orange> bO = b; //6
aA.setElement(new Apple()); //7
Orange orange = bO.getElement(); //8
Thank you very much.
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