For example, ball < cat, dog < dorm, Happy < happy, Zoo < ball. A substring of a string is a contiguous block of characters in the string. For example, the substrings of abc are a, b, c, ab, bc, and ...

To extract a string from another string, we use public String substring(int beginIndex) method. It returns a substring that starts at the specified index and extends to the end of the string. Examples ...