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import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Random; public class Mainer { public static void main(String[] args) { List flowers = new Arra...

 /** * 服务接口 * @author Macrotea * */ public interface Service { public abstract void doSomeService(); }     /** * 服务提供者接口 * @author Macrotea * */ public interface Provider { ...

public class Temp { public static void main(String[] args) { //第一种方式 HashMap<String, Double> hmap = new HashMap<String, Double>(); //类型推导方式 HashMap<String, Double> hmap...

 或许你已经看惯了javabean和层叠构造.     /** * Builder模式 * @author Macrotea * */ public class ManFacts { private String name; private int age; private double height; private double weight; ...

package com.macrotea.responzchain.interfazz; public interface Filter {  public String doFilter(String text); } package com.macrotea.responzchain.impl; import com.macrotea.responzchain.inter...

package com.macrotea.responzchain.entity; public class Request { private String content; public String getContent() { return content; } public void setContent(String content) { th...

 package com.macrotea.pattern.factory.abstr; import com.macrotea.pattern.factory.base.Food; import com.macrotea.pattern.factory.base.Vehicle; import com.macrotea.pattern.factory.base.Weapon; ...