146. Lowercase to Uppercase II
Description
Implement an upper method to convert all characters in a string to uppercase.
You should ignore the characters not in alphabet.
Have you met this question in a real interview?
Example
Given "abc", return "ABC".
Given "aBc", return "ABC".
Given "abC12", return "ABC12".
public class Solution {
/**
* @param str: A string
* @return: A string
*/
public String lowercaseToUppercase2(String str) {
// write your code here
return str.toUpperCase();
}
}
描述
将一个字符串中的小写字母转换为大写字母。忽略其他不是字母的字符。
您在真实的面试中是否遇到过这个题？
样例
给出 "abc", 返回 "ABC".
给出 "aBc", 返回 "ABC".
给出 "abC12", 返回 "ABC12".
