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package com.dasenlin.duotai;
public abstract class GrandFather {
abstract void shop();
}
package com.dasenlin.duotai;
public interface Ifather {
void makeFacory();
}
package com.dasenlin.duotai;
public interface Imother {
}
package com.dasenlin.duotai;
public class Son extends GrandFather implements Ifather,Imother {
@Override //父类的公共的抽象方法
public void makeFacory() {
}
@Override
void shop() { //祖父的抽象方法
}
}