Đoạn mã nào có lỗi biên dich sau: Horse is not abstract and does not override abstract method run() in Animal Chọn một Câu trả lời

abstract class Animal{

abstract void run();

}

public class Horse extends Animal{}

abstract class Animal{

abstract int run();

}

abstract class Horse extends Animal{}

abstract class Animal{

abstract void run();

}

abstract public class Horse {}

abstract class Animal{

abstract void run();

}

abstract class Horse {}