To LowerCase - Leetcode

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" 

class Solution {
    public String toLowerCase(String str) {
        return str.toLowerCase();
    }
}

Click this link to try it on Leetcode

Here string can be changed to lowercase in many ways.

Option 1:
Each character can be checked and changed to lowercase. It is the longest way when we are doing with Java. Because in Java there are more simple steps.

Option 2:
String has in-build method of toLowerCase().

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