Class Solution
- java.lang.Object
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- g0701_0800.s0784_letter_case_permutation.Solution
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public class Solution extends Object
784 - Letter Case Permutation.Medium
Given a string
s
, you can transform every letter individually to be lowercase or uppercase to create another string.Return a list of all possible strings we could create. Return the output in any order.
Example 1:
Input: s = “a1b2”
Output: [“a1b2”,“a1B2”,“A1b2”,“A1B2”]
Example 2:
Input: s = “3z4”
Output: [“3z4”,“3Z4”]
Constraints:
1 <= s.length <= 12
s
consists of lowercase English letters, uppercase English letters, and digits.
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Constructor Summary
Constructors Constructor Description Solution()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
helper(String s, int curr, String temp)
List<String>
letterCasePermutation(String s)
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