java 构造函数的学习
public class demo01 { public static void main(String[] args) { Person ming = new Person("小明", 12); System.out.println(ming.getName()); System.out.println(ming.getAge()); } } class Person { private String name; private int age; public Person(String name, int age){ this.name=name; this.age=age; } public String getName() { return name; } public int getAge() { return age; } }