Description
Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase.
Example 1:
Input: "Hello"
Output: "hello"
Example 2:
Input: "here"
Output: "here"
Example 3:
Input: "LOVELY
Output: "lovely"
Solution
class Solution { public String toLowerCase(String str) { String output = ""; for(int i = 0; i< str.length(); i++){ if((int)str.charAt(i)>=65 && (int)str.charAt(i)<=90){ output = output+ (char)(str.charAt(i)+32); } else{ output = output+str.charAt(i); } } return output; } }