Java:  Class: WordCount Write a method using the header below (remember your Javadoc comment) public static int countWords(String str) that returns a count of all words in the string str. Words are separated by spaces. For example, countWords("Mary had a little lamb") should return 5. Your method should work correctly if there are multiple spaces between words. Use helper methods to find the position of the next space following a given position, and the position of the next non-space character following a given position. Write a test program [main()] to test the method.

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Array

The simplest way to start thinking about an array is as a collection, or a set of elements. In programming, these elements may be constants, variables, functions and pointers.