摘要: public class lqh { public static void main(String[] args) { // TODO Auto-generated method stub char a='A'; System.out.println((char)(a+32)); } } 阅读全文
posted @ 2020-03-19 12:19 吕清华 阅读(86) 评论(0) 推荐(0) 编辑
摘要: public class lqh { public static void main(String[] args) { // TODO Auto-generated method stub double hs=70; double ss; ss=(hs-32)*5/9; System.out.pri 阅读全文
posted @ 2020-03-19 11:49 吕清华 阅读(89) 评论(0) 推荐(0) 编辑
摘要: public class lqh { public static void main(String[] args) { // TODO Auto-generated method stub int a=1000; int b,c,d,e,sum; e=a/1000; b=a/100%10; c=a/ 阅读全文
posted @ 2020-03-19 11:47 吕清华 阅读(47) 评论(0) 推荐(0) 编辑
摘要: public class lqh { public static void main(String[] args) { // TODO Auto-generated method stub int a=10; int b=20; int tmp; //进行数据交换 tmp=a; a=b; b=tmp 阅读全文
posted @ 2020-03-19 11:41 吕清华 阅读(60) 评论(0) 推荐(0) 编辑