Java程序将字符串转换为小写和大写。
示例
import java.lang.*;
public class StringDemo {
public static void main(String[] args) {
//将所有大写字母转换为小写字母
String str1 = "SELF LEARNING CENTER";
System.out.println("string value = " + str1.toLowerCase());
str1 = "nhooo.com";
System.out.println("string value = " + str1.toLowerCase());
//将所有小写字母转换为大写字母
String str2 = "This is nhooo";
System.out.println("string value = " + str2.toUpperCase());
str2 = "www.nhooo.com";
System.out.println("string value = " + str2.toUpperCase());
}
}输出结果
string value = self learning center string value = nhooo.com string value = THIS IS nhooo string value = WWW.nhooo.COM
热门推荐
10 新人红包祝福语简短精辟
11 幼师给毕业祝福语简短
12 生日高考祝福语妹妹简短
13 下飞机祝福语简短英文
14 元宵发客户祝福语简短
15 爸妈金婚文案祝福语简短
16 新郎朋友红包祝福语简短
17 虎年五一祝福语大全简短
18 出阁宴祝福语姐姐简短