Java中對(duì)象類型如何進(jìn)行轉(zhuǎn)換
導(dǎo)語：Java中對(duì)象類型如何進(jìn)行轉(zhuǎn)換呢?下面是小編給大家提供的Java中對(duì)象類型的強(qiáng)制轉(zhuǎn)換代碼實(shí)現(xiàn)，大家可以參考閱讀，更多詳情請(qǐng)關(guān)注應(yīng)屆畢業(yè)生考試網(wǎng)。
class person
{
void f1()
{
System.out.println("person f1 is calling !");
}
void f2()
{
f1();
}
}
class student extends person
{
void f1()
{
System.out.println("student f1 is calling! ");
}
void f3()
{
System.out.println("student f3 is calling!");
}
void f4()
{}
}
class Rt20
{
public static void main(String[]args)
{
student s=new student();
call(s);
}
public static void call(person p)/pic/p>
{
if(p instanceof student)/pic/p>
{
student s=(student)p;/pic/p>
s.f1();
s.f2();
s.f3();
}
else
{
p.f1();
p.f2();
}
/pic/pic/p>
/pic/p>
}
}
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