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public class Person { | |
private int personSecret; // Chỉ person truy xuất được | |
protected int age; // Superman try xuất được | |
public void say(String message) | |
{ | |
System.out.println("Person said + " + message); | |
} | |
} | |
// Kế thừa và override hàm say | |
public class Superman extends Person { | |
public void say(String message) | |
{ | |
System.out.println("Superman said + " + message); | |
} | |
} |
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