// P12 Interface File
// Author: Chris Wilcox
// Date:   4/22/2016
// Class:  CS160
// Email:  wilcox@cs.colostate.edu

public interface TestInterface {

	// Returns a reversed version of the specified string,
	// which can contain any ASCII character.
	// For example, returns "edcba" for "abcde" 
	public String reverseString(String s);

	// Returns the specified string duplicated.
	// For example, returns "Hello There!Hello There!" for "Hello There!" 
	public String duplicateString(String s);

	// Creates an array of strings with
	// [0] = original, [1] = toUppercase(), [2] = toLowercase().
	// For example, returns {"Whatever", "WHATEVER", "whatever"} for "Whatever"
	public String[] createStrings(String s);


	// Cubes all elements in array of doubles.
	// For example, changes {2.0, 3.0, 4.0} to {8.0, 27.0, 64.0}
	public void cubeArray(double[] array);


	// Adds the elements in array of integers,
	// returning the sum as an integer.
	// For example, returns 21 for {1, 2, 3, 4, 5, 6}
	public int sumArray(int[] array);

	// Sorts an array of integers from low to high.
	// For example, changes {2, 6, 4, 9, 1} to {1, 2, 4, 6, 9}
	public void sortArray(int[] array);

}