***URGENT *** Please do not use char/charAt or arrays I have not learned that yet. Use .substring, .length, for loops etc in the equation.

The method longestStreak is intended to determine the longest substring of consecutive identical characters in the parameter str and print the result.

For example, the call longestStreak("CCTTT!") should print the result "A 5" because the longest substring of consecutive identical characters is "".

Complete the method below. Your implementation should conform to the example above.

public static void longestStreak(String str)

The roman empire fell around the 5th century, and as islam spread in the 7th century, trade between europe and china slowed. chinese traders were blocked from westward expansion into europe when the chinese army was defeated by muslim fighters in the area known as syr darya. the trade routes, known as the silk road, fell into disuse, and trade between the far east and europe nearly stopped. it wasn't until the 13th century when the mongols invaded and controlled central asia and large parts of the middle east that extensive trade along these routes was opened again. based upon the paragraph above and your knowledge of the mongols, which of the following statements is correct? a. the mongols unified regions along the silk road, allowing for safe transport of goods. b. muslims controlled busy trade routes into china from the 5th to the 7th centuries. c. without access to european markets, the chinese were unable to obtain raw materials. d. the mongols replaced the roman empire as the dominant force in western europe.

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A(n) provides the opportunity to hear the views of various experts, other public officials, supporters and even opponents of a bill. ordering