tostringdemo.java

来自「这是清华大学编写的JAVA教材中所有题目的源代码！」· Java 代码 · 共 25 行

class Person 
{
  String name; 
  int age;    

  public Person(String n, int a)
  { name = n;  age = a;  }
  /*  
  public String toString()
  {
  	return "name:"+name+","+"age:"+age;
  }
*/
}


class toStringDemo 
{
  public static void main(String args[]) 
  {
    Person p=new Person("John",20);
   	System.out.println(p);
  }
}