摘要：
package com.life.design.strategy; public interface Promotion { void show(); } package com.life.design.strategy; public class PromotionA implements Pro 阅读全文
摘要：
package com.life.design.template; public abstract class Cooking { public final void cookProcess() { pourOil(); heatOil(); pourVegetable(); pourSauce() 阅读全文
