In Java Only can use class String length charAt class StringBuilder length charAt append toString class Character any method Create the following methods nthWord takes an int and a String as input and returns a String The input int represents a number n that is assumed to be positive, and the output string contains every nth word of the input string, starting with the first word, separated by a single space em For this method, a word is defined to be a sequence of non space characters There should be no space at the end of the output string HW2 nthWord(3, zero one two three four five six seven ) zero three six truncateAfter takes an int and a String as input and returns a String The input string may contain hyphens and spaces that mark appropriate places to truncate the string The output string will be a truncated version of the input string, and the input int value is the desired length of the output string The output string should truncate the input string at the first legal spot such that the output string will have at least the desired length If the truncation happens at a space, the space is not included in the output, but if the truncation happens at a hyphen, the hyphen is included No other hyphens are included in the output, but the other spaces are (If the input string does not have enough characters to meet the desired minimum, then the output should be the entire input string without the hyphens ) HW2 truncateAfter(5, La te ly the re ) Late HW2 truncateAfter(6, La te ly the re ) Lately HW2 truncateAfter(7, La te ly the re ) Lately the truncateBefore the same as the truncateAfter method, but now the input int value is the maximum , and the string should be truncated at the latest possible point such that the resulting string has no more than the desired length

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In Java Only can use class String length charAt class StringBuilder length charAt append toString class Character any method Create the following methods nthWord takes

In Java

Only can use

class String
- length
- charAt
class StringBuilder
- length
- charAt
- append
- toString
class Character
- any method

Create the following methods

nthWord takes an int and a String as input and returns a String: The input int represents a number n that is assumed to be positive, and the output string contains every nth word of the input string, starting with the first word, separated by a single space. {\em For this method, a word is defined to be a sequence of non-space characters.} There should be no space at the end of the output string.
```
> HW2.nthWord(3, "zero one two three four five six seven") "zero three six" 
```
truncateAfter takes an int and a String as input and returns a String: The input string may contain hyphens and spaces that mark appropriate places to truncate the string. The output string will be a truncated version of the input string, and the input int value is the desired length of the output string. The output string should truncate the input string at the first legal spot such that the output string will have at least the desired length. If the truncation happens at a space, the space is not included in the output, but if the truncation happens at a hyphen, the hyphen is included. No other hyphens are included in the output, but the other spaces are. (If the input string does not have enough characters to meet the desired minimum, then the output should be the entire input string without the hyphens.)
```
> HW2.truncateAfter(5, "La-te-ly the-re.") "Late-" > HW2.truncateAfter(6, "La-te-ly the-re.") "Lately" > HW2.truncateAfter(7, "La-te-ly the-re.") "Lately the-" 
```
truncateBefore: the same as the truncateAfter method, but now the input int value is the maximum, and the string should be truncated at the latest possible point such that the resulting string has no more than the desired length.