12 2024 档案
摘要：abstract class DBOperator{ public abstract void connDB(); public void openDB(){ System.out.println("打开数据库"); } public void useDB(){ System.out.println
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摘要：abstract class AbstractCommand{ public abstract int execute(int value); public abstract int undo(); public abstract int redo(); } class ConcreteComman
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摘要：public abstract class Leader { protected String name; protected Leader successor; public Leader(String name) { this.name = name; } public void setSucc
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摘要：public interface AbstractPermission { void modifyUser(); void lookOthers(); void setAge(int age); } public class RealPermission implements AbstractPer
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摘要：ublic class Main{ public static void main(String[] args) { IgoChessman black1,black2,black3,white1,white2; IgoChessmanFactory factory; factory = IgoCh
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摘要：public class CPU { public void run(){ System.out.println("处理器运行"); } public void off(){ System.out.println("处理器关闭"); } } public class Disk { public vo
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摘要：public interface Phone { public void ring(); } public final class SimplePhone implements Phone { public SimplePhone() { System.out.println("一部SimplePh
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摘要：import java.util.ArrayList; public abstract class AbstractFile { public abstract void add(AbstractFile element); public abstract void remove(AbstractF
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摘要：public abstract class Vehicle { protected Road road; public void setRoad(Road road) { this.road = road; } public abstract void drive(); } public class
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摘要：public class Adapter implements Dog, Cat { private Dog dog; private Cat cat; public Dog getDog() { return dog; } public void setDog(Dog dog) { this.do
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摘要：public class Student { private static Student instance=null; private String ID; private Student(){} private void setID(String id) { ID=id; } public st
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摘要：#include<iostream> #include <cstring> using namespace std; class Vector { public: Vector() : size(0), data(NULL) {} Vector(int s) : size(s) { data = n
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摘要：public class Main { public static void main(String[] args) { ComputerBuilder cb = (ComputerBuilder) XMLUtil.getBean(); Director director = new Directo
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