关于父子类方法的继承
父类一个virtual方法,一个普通方法;子类复写virtual,同时具有同名普通方法(使用new)。则Parent p = new Son();产生有趣结果:
class Program
{
static void Main(string[] args)
{
Parent p = new Son();
p.foo();
p.foo2();
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Console.Read();
}
}
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public class Parent
{
public virtual void foo()
{
Console.WriteLine("parent foo");
}
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public void foo2()
{
Console.WriteLine("parent foo2");
}
}
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public class Son : Parent
{
public override void foo()
{
Console.WriteLine("Son foo");
}
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public new void foo2()
{
Console.WriteLine("Son foo2");
}
}
我的理解是:p对象执行虚方法,则要到其Son子类去找复写方法;p对象执行普通方法,使用自身的方法即可——不用考虑子类的new方法。
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我的理解是:p对象执行虚方法,则要到其Son子类去找复写方法;p对象执行普通方法,使用自身的方法即可——不用考虑子类的new方法。