The StringBuilder class is more efficient than the StringBuffer class because it can execute multiple threads during program execution.
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Q1: String s and other objects that can't
Q6: Methods that return information about an object
Q7: Any string value that is input into
Q9: A literal string is a(n) _ object.
A)
Q10: In a compareTo() method, programmers often do
Q12: The Character class _ from java.lang.Object .
A)
Q12: If you try to use an index
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