fondOfJava的专栏

1、目标装饰的类 interface SmallAnimal { void doStuff(); } class Rat implements SmallAnimal { public void doStuff() { System.out.println("Rat doStuff"); } } 2、需要添加的装饰类 interface Feature

1、父类 class Person { public final void excute(String methodName) { Method[] mArray = this.getClass().getMethods(); for (Method m : mArray) { if (m.getName().startsWith(methodName) &&

1、前置条件 1、1接口 interface Animal { void eat(); }   1、2两个实现类 class Dog implements Animal { public void eat() { System.out.println("Dog eat"); } } class Cat implements Animal { p

class SerializationUtils { private SerializationUtils() { throw new UnsupportedOperationException(); } public static void writeObject(Serializable s, String fileNameAndPath) { ObjectOutp