- toString()
toString() function shows what is there in reference variable. By default, it prints address kept in reference variable. But, toString() can be overrried to show desired output.
- hashcode()
Hashcode is any unique value assigned to every object present in memory. This function returns that integer value.
- toUpper()
Converts lowercase letter to uppercase.
- toLower()
Converts uppercase letter to lowercase.
- split(String regex)
The java string split() method splits this string against given regular expression(regex) and returns a char array.
- substring()
Returns new String object containing the substring of the given string from specified startIndex (inclusive).
- contains(CharSequence c)
This method returns true if and only if this string contains the specified sequence of char values.
- startswith(CharSequence c)
Returns boolean value , whether a string starts with the specified prefix beginning a specified index or by default at the beginning.
- endswith(CharSequence c)
This method returns tests if this string ends with the specified suffix.
workAday 