Java: determine if a String has all unique characters

Web Reference: Jan 2, 2010 · 7 It is the Bitwise xor operator in java which results 1 for different value of bit (ie 1 ^ 0 = 1) and 0 for same value of bit (ie 0 ^ 0 = 0) when a number is written in binary form. ex :- To use your example: The binary representation of 5 is 0101. The binary representation of 4 is 0100. Not only in Java, this syntax is available within PHP, Objective-C too. In the following link it gives the following explanation, which is quiet good to understand it: A ternary operator is some operation operating on 3 inputs. It's a shortcut for an if-else statement, and is also known as a conditional operator. In Perl/PHP it works as: While hunting through some code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator. return (Collection<Car>) CollectionUtils.select(list...

YouTube Excerpt: code: https://github.com/a-r-d/java-1-class-demos/blob/master/interview-questions/AllUniqueChars.java "Implement and algorithm to determine if a String has all unique characters" - a question from cracking the coding interview.

code: https://github.com/a-r-d/java-1-class-demos/blob/master/interview-questions/AllUniqueChars.java "Implement and algorithm to determine if a...

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