public class Phone {

int screen=1;

public float a() {

float screen=1;

return screen;

}

@Override

public boolean equals(Object obj) {

if (this == obj)

return true;

if (obj == null)

return false;

if (getClass() != obj.getClass())

return false;

Phone other = (Phone) obj;

if (screen != other.screen)

return false;

return true;

}

public static void main(String[] args) {

// TODO Auto-generated method stub

Phone phone1=new Phone();

phone1.screen=1;

Phone phone2=new Phone();

phone2.a();

if(phone1.equals(phone2))

System.err.println("兩對象相同? phone1.screen:"+phone1.screen+"? phone2.a():"+phone2.a());

else

System.out.println("兩對象不相同? phone1.screen:"+phone1.screen+"? phone2.a():"+phone2.a());

}

}

視頻里老師說equals()方法里判斷類型不同會返回false? 但我這段代碼不同類型也返回true? 我哪里理解錯了呢？? ?