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public interface Phone { public void ring(); } public final class SimplePhone implements Phone { public SimplePhone() { System.out.println("一部SimplePh 阅读全文
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import java.util.ArrayList; public abstract class AbstractFile { public abstract void add(AbstractFile element); public abstract void remove(AbstractF 阅读全文
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public abstract class Vehicle { protected Road road; public void setRoad(Road road) { this.road = road; } public abstract void drive(); } public class 阅读全文
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public class Adapter implements Dog, Cat { private Dog dog; private Cat cat; public Dog getDog() { return dog; } public void setDog(Dog dog) { this.do 阅读全文
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public class Main { public static void main(String[] args) { ComputerBuilder cb = (ComputerBuilder) XMLUtil.getBean(); Director director = new Directo 阅读全文
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public class BlackFactory implements PeopleFactory { @Override public Man produceMan() { return new BlackMan(); } @Override public Woman produceWoman( 阅读全文