Translation of uppercase and lowercase letters in Java

Source: Internet
Author: User

Method One:

Uppercase and lowercase letters are subtracted from the ASCII code table by a value of 32

It is possible to convert a string into a character array

lowercase to uppercase minus 32

Uppercase to lowercase plus 32

String s= "good";

Char[] C = s.tochararray;

Capitalize first letter


Method Two

In the String class

toLowerCase () The Word all letters lowercase

toUpperCase () Capitalize all letters of the word

SUBSTRING () intercepts a letter and converts it in combination with the above method

Translation of uppercase and lowercase letters in Java

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.