java通过构造方法为属性赋值

Person.java:

class Person{

 private String name ;

 private int age ;

 public Person(String name , int age){
  this.name = name ;
  this.age = age ;

 }

 public void setName(String name){
  this.name = name ;
 }
 public String getName(){
  return this.name ;
 }
 public void setAge(int age){
  this.age = age ;
 }
 public int getAge(){
  return this.age ;

 }

 public void tell(){
  System.out.println("姓名：" + this.getName() + "，年龄：" + this.getAge()) ;
 }

}

test.java:

public class Test{
 public static void main(String args[]){
  Person per = null ;
  per = new Person("张三" , 25) ;
  per.tell() ;
 }
}