class Person{
private String name;
private int age;
public Person(){
System.out.println(“无参数构造方法被执行了”);
}
public void setName(String name){this.name=name;}
public void setAge(int age){this.age=age;}
public String getName(){return name;}
public int getAge(){return age;}
public static void main(String arg[]){
Person p=new Person();
p.setName(“lin”);p.setAge(20);
System.out.println(“p.name=”+p.getName()+”,p.age=”+p.getAge());
}
}