package com.xuexi;
//访问实例变量和调用成员方法
public class Learn1 {
int puppyAge;
public Learn1(String name){
// 这个构造器仅有一个参数:name
System.out.println("小狗的名字是 : " + name );
}
public void setAge( int age ){
puppyAge = age;
}
public int getAge( ){
System.out.println("小狗的年龄为 : " + puppyAge );
return puppyAge;
}
public static void main(String[] args){
Learn1 myPuppy = new Learn1( "tommy" );
myPuppy.setAge(1);
myPuppy.getAge();
System.out.println("变量值:"+myPuppy.puppyAge);
}
}