摘要: public class Fruit { public void get () { System.out.println("水果"); } public class Apple extends Fruit { public void get() { System.out.println("苹果"); 阅读全文
posted @ 2022-12-16 17:40 lm9856 阅读(23) 评论(0) 推荐(0)
摘要: import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; import java.util.Scanner; public cla 阅读全文
posted @ 2022-12-16 17:09 lm9856 阅读(41) 评论(0) 推荐(0)