摘要： public class Student extends Person{ private static int age;//静态的变量 private double score;//非静态的变量 public void run(){ go();//非静态方法可以调用静态方法 } public sta 阅读全文

摘要： public class Student extends Person{ public void go(){ System.out.println("go"); }} public class Teacher extends Person{} public class Person{ public 阅读全文

摘要： public class Student extends Person{ @Override public void run() { System.out.println("1"); } public void eat(){ System.out.println("eat"); }} public 阅读全文