The String class is provided in the Java library.Provide your own implementation for the following methods (name the newclass MyString2):public MyString2(String s);public int compare(String s);public MyString2 substring(int begin);public MyString2 toUpperCase();public char[] toChars();public static MyString2 valueOf(boolean b);

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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.