【简答题】
预测程序运行结果 class Student{ private int age; public void setAge(int a){ age=a;} public int getAge(){ return age; } } public class StudentDemo{ public static void main(String []args){ Student s=new Student(); s.setAge(20); System.out.println(s.getAge());}}
参考答案:
参考解析:
举一反三