How does this Java code which determines whether a String contains all unique characters work?
90841
Explain the use of a bit vector for determining if all characters are unique
120568
How many characters can a Java String have?
109567
How does operator  work when comparing two strings?
64289
How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method call?
103930
How to ensure hashCode() is consistent with equals()?
99777
Bug in List.contains for Id data type?
13992
Immutability of Strings in Java
116533
Why is there an offset in the Java String implementation?
478
How to determine if string contains specific substring within the first X characters
109282
Java comparison with == of two strings is false?
150883
Comparing String to Integer gives strange results
80807
Is a Java string really immutable?
10788
Removing duplicates from a String in Java
50883
how string terminates in java?
24282
Valid characters in a Java class name
126
How do I compare strings in Java?
120247
How does Java store UTF-16 characters in its 16-bit char type?