ErikZhou

#include <iostream>
#include <string>
#include <stdlib.h>
using namespace std;

class Number
{
public:
    // 2. Define a public static accessor func
    static Number *instance(); 

ErikZhou

//Structural Patterns - Adapter
#include <iostream>
using namespace std;

typedef int Coordinate;
typedef int Dimension;

// Desired interface
class Rectangle
{

ErikZhou

//Structural Patterns - Bridge

#include <iostream>
#include <iomanip>
#include <string.h>
using namespace std;

class TimeImp {
public:
    TimeImp(int hr, int min) {

ErikZhou

// Bridge pattern -- Structural example  
using System;

// "Abstraction"
class Abstraction
{
  // Fields
  protected Implementor implementor;

  // Properties

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//Composite design pattern - multiple container classes
#include <iostream>
#include <vector>
using namespace std;

class Component
{
  public:
    virtual void traverse() = 0;
};

ErikZhou

#include <iostream>
using namespace std;

// 1. "lowest common denom"
class Widget
{
public:
    virtual void draw() = 0;
};

ErikZhou

#include <iostream>
#include <string>
using namespace std;

class Interface
{
public:
    virtual ~Interface(){}
    virtual void write(string &) = 0;
    virtual void read(string &) = 0;

ErikZhou

using System;

class MainApp
{
    static void Main()
    {
        // Create ConcreteComponent and two Decorators 
        ConcreteComponent c = new ConcreteComponent();
        ConcreteDecoratorA d1 = new ConcreteDecoratorA();
        ConcreteDecoratorB d2 = new ConcreteDecoratorB();

ErikZhou

#include <iostream>
using namespace std;

class MisDepartment
{
public:
    void submitNetworkRequest()
    {
        _state = 0;
    }

ErikZhou

// Flyweight.h
#include <string>
#include <map>
#include <vector>
#include <iostream>
using namespace std;

class AbstractFont      // Flyweight抽象类
{
protected: