The compareTo method is used to compare two strings lexicographically. It returns an integer value that indicates the relationship between the two strings.
Think of comparing strings like comparing names in a phonebook. When you use the compareTo method, it's like checking if one name comes before or after another in alphabetical order.
equals(Object obj): This method checks if two objects are equal by comparing their values.
length(): This method returns the length of a string, which is the number of characters it contains.
substring(int beginIndex, int endIndex): This method extracts a portion of a string based on specified start and end indexes.
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