"Hello, Amigo! Kamu adalah kawan yang baik! Profesor itu berkata untuk membuat 10 tugas, tetapi saya akan memberi kamu dua sahaja. Itu yang paling saya fikirkan dengan mabuk. Sayang sekali kamu terlepas parti yang diadakan. untuk penghormatan anda semalam. Ia adalah masa yang hebat."
4
Tugasan
Java Core, tahap, pelajaran
Terkunci
Bingo!
A tiger is a bit more than a cat. And a cat is a pet. And in turn, any pet is an animal. And all of them descend from Object. Something is wrong with the inheritance in our program. Correct the 'Object animal = new Pet();' line in the main method so that the program displays "Bingo!"
4
Tugasan
Java Core, tahap, pelajaran
Terkunci
Bingo!
A rose by any other name: it's no coincidence that the famous cartoon cat is called Tom. In the language of Shakespeare, a tomcat is a male cat. Obviously, tomcat is also a "regular" cat and can move. Correct the program so that the variable cat references an object that simultaneously implements CanMove, and is a Cat and a Tomcat.