* Given "abcabcbb", the answer is "abc", which the length is 3. * Given "bbbbb", the answer is "b", with the length of 1. * Given "pwwkew", the answer is "wke", with ...
//for array len=a.length...for str len=s.length()..."()"this fun symbol use is necessary /*arr.length here .length is a field... In Java, a field refers to a variable that is a member of a class or an ...
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