public class OK4 {

String name; //申明字符串变量 name

public OK4(){//构造方法

name="爱慕课";//初始化块

System.out.println("通过构造方法初始化name");

}

public void show(){

System.out.print("名称为："+name);

}

public static void main(String[] arge){

OK4 hello=new OK4();//创建对象

hello.show();// 调用对象show方法

}

}

public class OK4 { 

        public String name ;                               //申明变量

        public OK4(){                                          //构造方法

         name="爱慕课"; 

         System.out.println("name是：");

         }

         public static void main(String[] agrs){

                OK4 hello=new OK4();                

                System.out.println("name"+hello.name); 

        }

 }