Question: JUnit - Java Copy code and complete segments so it is properly functioning. Thanks! ___________________________________________________________ /** * Name: * This goes with chapter 5 and
JUnit - Java
Copy code and complete segments so it is properly functioning. Thanks!
___________________________________________________________
/**
* Name:
* This goes with chapter 5 and deals with String
* methods and some math. You are not allowed to use any non subset methods to
* solve these.
*
* @version 2.0 - fixed -0.0 root issue.
*
* @author Firstname and Lastname
*/
public class JU09V
{
/**
* This method accepts a number as parameter and then
* creates a sentence in the form of "The square root of 9 is 3.0" or
* "The square root of 100 is 10.0"
*
* @param number
* >= 0
* @return see above
*/
public static String squareRootSentence(int number, int i)
{
String response = number + i + "==" + Math.sqrt(100);
// TODO: Add code here to make the tests pass.
return response;
}
private static double sqrt(int i)
{
// TODO Auto-generated method stub
return 0;
}
/**
* This method accepts a number as parameter and then
* creates a sentence in the form of "9 ^ 2 == 81"
*
* @return see above
*/
public static String exponentSentence(int base, int exponent)
{
String response =
base + " ^ " + exponent + " == " + Math.pow(base, exponent);
// TODO: Add code here to make the tests pass.
return response;
}
/**
* Create a method that builds a sentence with the name and phrase that the
* person shouts. shout("Grace", "Java") -> Grace loves to shout the phase
* "Java"!
*
* @param name
* @param phrase
* @return
*/
public static String shout(String name, String phrase)
{
return name + " loves to shout the phrase \"" + phrase + "\"!";
}
/**
* Build a computer file path given the drive letter, the main folder name,
* and the filename. Examples:
*
*
* getFilePath("C", "Documents", "rap.mp3") - >
*
*
* @param driveLetter
* @param mainFolder
* @param fileName
* @return
*/
public static String getFilePath(String driveLetter, String mainFolder,
String fileName)
{
return driveLetter + ":\\" + mainFolder + "\\" + fileName;
}
/**
* Unlike the Java built-in Math.sqrt method, GoodSqrt can return imaginary
* numbers. If you haven't completed Algebra II, don't worry. When you take
* the square root of a negative number, just remove the negative before you
* square root it. Then concatenate an "i" to the end of it. Examples
*
*
* epicSqrt(25) -> "Square root of 25 is 5.0"
* epicSqrt(-25) -> "Square root of -25 is 5.0i"
* epicSqrt(-16) -> "Square root of -16 is 4.0"
* epicSqrt(16) -> "Square root of 16 is 4.0"
*
*
* @param age
* @return
*/
public static String epicSqrt(int value)
{
System.out.println("Please enter a value to find it's square root: ");
if (value < 0)
return "Square root of " + value + " is " + (Math.sqrt(value * -1) + "i");
else
value = value * 1;
return "Square root of " + value + " is " + (Math.sqrt(value));
// "Fix this so that it passes the tests";
}
/**
* Given 2 strings, return their concatenation, except dump the first char of
* each. The strings will be at least length 1.
*
*
* noFirstLetterConcat("Hello", "There") -> "ellohere"
* noFirstLetterConcat("java", "code") -> "avaode"
* noFirstLetterConcat("shotl", "java") -> "hotlava"
*
*
* @param word1
* @param word2
* @return
*/
public static String noFirstLetterConcat(String word1, String word2)
{
return word1.substring(1) + word2.substring(1);
}
/**
* Creates a string that displays the first position of the letters a,
* e, i,
* o, and u in sentence. If a vowel is not located, it will report -1
* as the
* position. Hint: use indexOf to simplify things.
*
*
/ * findVowels("appleapp") would return
* The first position of a is 0.
* The first position of e is 4.
* The first position of i is -1.
* The first position of o is -1.
* The first position of u is -1.
*
*
* @param sentence
* != null and lowercase
* @return
*/
public static String findVowels(String sentence)
{
return "The first position of a is " + sentence.indexOf("a") + ". "
+ "The first position of e is " + sentence.indexOf("e") + ". "
+ "The first position of i is " + sentence.indexOf("i") + ". "
+ "The first position of o is " + sentence.indexOf("o") + ". "
+ "The first position of u is " + sentence.indexOf("u") + "." + " ";
}
}
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