文章分类 -  错题

摘要:String orderStream = "B123,C234,A345,C15,B177,G3003,C235,B179"; //字符串转数组 String[] s=orderStream.split(",",0); for(int i=0;i<s.length;i++){ // System.o 阅读全文
posted @ 2022-09-27 08:27 孤沉 阅读(28) 评论(0) 推荐(0)
摘要:1、 string pangram = "The quick brown fox jumps over the lazy dog"; //能倒序的是char[] Array.Reverse(); string str1 = "The"; char[] ch1 = str1.ToCharArray() 阅读全文
posted @ 2022-09-25 00:21 孤沉 阅读(48) 评论(0) 推荐(0)
摘要:public class Const { private Integer a, b, c;//int类型的初始值是0,Integer的初始值是null,所以main方法输出null public void Const() {//不要粗心大意,去掉void才是构造函数, System.out.prin 阅读全文
posted @ 2022-09-25 00:08 孤沉 阅读(12) 评论(0) 推荐(0)