java.lang.Object
g0001_0100.s0003_longest_substring_without_repeating_characters.Solution

public class Solution extends Object
3 - Longest Substring Without Repeating Characters.

Medium

Given a string s, find the length of the longest substring without repeating characters.

Example 1:

Input: s = “abcabcbb”

Output: 3

Explanation: The answer is “abc”, with the length of 3.

Example 2:

Input: s = “bbbbb”

Output: 1

Explanation: The answer is “b”, with the length of 1.

Example 3:

Input: s = “pwwkew”

Output: 3

Explanation: The answer is “wke”, with the length of 3. Notice that the answer must be a substring, “pwke” is a subsequence and not a substring.

Example 4:

Input: s = ""

Output: 0

Constraints:

  • 0 <= s.length <= 5 * 104
  • s consists of English letters, digits, symbols and spaces.
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • lengthOfLongestSubstring

      public int lengthOfLongestSubstring(String s)