DDD（领域驱动设计）思想解读及优秀实践

download:DDD（领域驱动设计）思想解读及优秀实践

public class Demo03{
    int age;
    public static void main(String []args){
        System.out.println(Demo04.name);//静态调用静态1
        Demo04.eat();
        Demo04 d = new Demo04();//静态调用静态2
        System.out.println(d.name);
        d.eat();
        Demo03 d1 = new Demo03();//静态调用非静态
        d1.method();
        System.out.println(d1.age);
    }
    public void method(){
        System.out.println("first method");
    }
}

1 public class Demo04{
2     static String name = "张三";
3 
4     public static void eat(){
5         System.out.println("肉夹馍");
6     }
7 }

 1 public class Demo05{
 2     static int age;
 3     String name;
 4     public static void main(String []args){
 5 
 6         Demo05 d1 = new Demo05();//静态调非静态  实例化
 7         d1.method();
 8     }
 9 
10     public void method(){
11         System.out.println(age); //非静态调静态    
12         method1();                 //非静态调静态    
13         System.out.println(name);//非静态调非静态    
14         method2();                 //非静态调非静态    
15         System.out.println("first method");
16     }
17     public static void method1(){
18         System.out.println("second method");
19     }
20     public void method2(){
21             System.out.println("third method");
22     }
23 }

 1 public class Demo06{
 2 
 3     public static void main(String []args){
 4 
 5         Demo06 d1 = new Demo06();   //静态调非静态  实例化
 6         d1.method();
 7     }
 8     public void method(){
 9         System.out.println(Person.name);   //非静态调静态
10         Person.method1();                  //非静态调静态
11         Person p = new Person();           //非静态调非静态  实例化
12         p.method2();
13         System.out.println("first method");
14     }
15 }
16 class Person{
17     static String name;
18     int age;
19     public static void method1(){
20         System.out.println("second method");
21     }
22     public void method2(){
23             System.out.println("third method");
24     }
25 }

 1 public class Demo09{
 2     //实参到形参是单向的，所以在传送过程中形参值发作改动不会影响实参
 3     public static void main(String []args){
 4         int i =1;
 5         String s = "ww";
 6         Demo09 d = new Demo09();
 7         d.method(i,s);
 8         System.out.println(i);
 9         System.out.println(s);
10     }
11     public void method(int i,String s){
12         i = 100;
13         s = "asd";
14     }
15         public void method1
16 }

public class ChuanDiZhi{
    int x = 3;
    public static void main(String args[]){
        ChuanDiZhi p = new ChuanDiZhi();
        p.x = 9;
        show(p);
        System.out.println(p.x);
    }
    public static void show(ChuanDiZhi p){
        p.x = 4;
    }        
}