定义函数将字符串首字母大写:
例1:Study hard, improve every day.
def toJadenCase(string): return string.title()print(toJadenCase("study hard, improve every day."))
例2:How can mirrors be real i...
public class FirstLetterUppercase {
public static void main(String[] args){
System.out.println(new FirstLetterUppercase().upperFirstLatter("letter"));
System.out.println(new FirstLetterUpperc...
写法一:
let name = 'hello'
name.charAt(0).toUpperCase() + name.slice(1)
写法二:
let name = 'hello'
name.slice(0, 1).toUpperCase() + name.slice(1)
写法三:
let name = 'hello'
name.substring(0, 1)....