What is the difference between the String class and the StringBuilder class in the API? Group…

What is the difference between the String class and the StringBuilder class in the API? Group of answer choices they are in different packages a String can only contain letters while a StringBuilder can contain any character a String is immutable and a StringBuilder is mutable there is no difference A class can directly extend many classes. Group of answer choices True False With this declaration: Student s1; What possible values can s1 hold? Group of answer choices _ a Student object a String the address of a Student object the address of any object

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