05 2020 档案

第十二周
摘要：1. String s1 = "Helloworld"; StringBuffer sb = new StringBuffer("java"); char[] c1 = s1.toCharArray(); for (int i = c1.length - 1; i >= 0; i--) { Syst 阅读全文
posted @ 2020-05-27 18:50 smile? 阅读(143) 评论(0) 推荐(0)
十一周上机
摘要：public class Vehicle { public String brand; public String color; public double speed=0; void setVehicle(String brand,String color) { this.brand=brand; 阅读全文
posted @ 2020-05-14 14:12 smile? 阅读(127) 评论(0) 推荐(0)