2. A method named getLetters that takes two characters and an integer and returns a String with the following header: public static String getLetters (char chl, char ch2, int numberPerLine) This method returns a String that includes the uppercase and lowercase English letters between ch1 and ch2 with the specified numbers per line. Letters are separated by exactly one space.

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Q: java

A: GIVEN:

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Methods of StringBuilder class

The StringBuilder class can be used to create mutable strings. The methods defined in the StringBuilder class are widely used to manipulate and concatenate strings. It is a non-synchronized class which has public methods that can be accessed by multiple threads. It is not thread-safe.