base.java

高质量Java程序设计 源代码

package net.betterjava.design.override;

/**
 * override sample, Child override Base.Iam(Base) method
 */
public class Base {
	void Iam(Base b) {
		System.out.println("Base;Overload");
	}
	void Iam(Child c) {
		System.out.println("Child;Overload");
	}
	public static void main(String[] args) {
		Base[] test = new Base[] { new Base(), new Child()};
		for (int i = 0; i < test.length; i++)
			test[i].Iam(test[i]);
	}
}

class Child extends Base {
	void Iam(Base b) {
		System.out.println("Base;Override");
	}
}