如果您选择使用简单的位运算执行大小写转换,则您编写的方法会比Java的方法稍微快一些,因为Java的方法有更复杂的逻辑来支持Unicode字符而不仅仅是ASCII字符集。 如果您查看String.toLowerCase(),您会注意到其中有很多逻辑,因此,如果您正在处理大量仅限于ASCII字符的软件,并且没有其他字符,那么使用更直接的方
通过Character.toUpperCase()方法把小写字母变为大写，通过Character.toLowerCase()方法把大写字母变为小写。
import java.lang.*; public class StringDemo { public static void main(String[] args) { // converts all upper case letters in to lower case letters String str1 = "SELF LEARNING CENTER"; System.out.println("string value = " + str1.toLowerCase()); str1 = "TUTORIALS POINT"; System....
In this chapter you will learn: Is Character a upper/lower Case The following code usesCharacter.isUpperCasemethod to tell is a char a uppercase char publicclassMain {publicstaticvoidmain(String[] args) {charsymbol ='A';/*fromjava2s.com*/if(Character.isUpperCase(symbol)) { System.out.print...
Java uppercase to lowercase conversion: Here, we are going to learn how to convert uppercase string to lowercase without using any library function in Java?
publicclassCharUpperLowerCase{publicstaticvoidmain(String[]args){charchar1,char2;char1='a';char2='B';charchar1UpperCase=Character.toUpperCase(char1);charchar2LowerCase=Character.toLowerCase(char2);System.out.println(char1UpperCase);System.out.println(char2LowerCase);}} ...
Converting from uppercase to lowercase without using library functionimport java.util.Scanner; class Lowecase{ static char ch[] ={'P','R','E','E','T','I'}; public static void main(String[] args){ to_Lower(ch); } //method to convert in lowercase public stat...
MYSQL将表名称修改成大写的存储过程 本文为大家分享了MYSQL将表名称修改成大写的存储过程,具体内容如下 1. 条件: 1.1 Mysql设置对大小写敏感 2...执行下述存储过程: #call uppercase(‘库名’) DROP PROCEDURE IF EXISTS uppercase; CREATE PROCEDURE uppercase(IN dbname...执行一下语句 call uppercase(‘库名...
C and C++ for Java Programmers - November 5, 2011 A Gentle Introduction to C++ IO Streams - October 10, 2011 Similar Threads Counting uppercase and lowercase letters in a text By Tintu in forum C Programming Replies: 2 Last Post: 02-06-2008, 10:15 PM how to detect a lowercase or...
case using the toUpperCase() method. This lambda expression is (str -> str.toUpperCase()). After that, the replaceAll() method applies a lambda expression that converts each string in the list to lowercase using the toLowerCase method. This lambda expression is (str -> str.toLowerCase()...