- This quiz has 2 sections.
- fundamentals
CalculatorStringUtils
- arrays
ArrayUtils
- fundamentals
- Description
- The purpose of this class is to create a simple calculator.
- Methods to Complete
Double add(Double val1, Double val2)- return the sum of
val1andval2
- return the sum of
Double subtract(Double val1, Double val2)- return the difference of
val1andval2
- return the difference of
Double divide(Double val1, Double val2)- return the quotient of
val1andval2
- return the quotient of
Double squareRoute(Double value)- return the square root of
value
- return the square root of
Double square(Double value)- return the square of
value
- return the square of
Double[] squareRoutes(Double[] values)- return an array of
Double, containing the square root of each of the elements invalues.
- return an array of
Double[] squares(Double[] values)- return an array of
Double, containing the square of each of the elements invalues.
- return an array of
- Description
- The purpose of this class is to create utility
Stringmethods
- The purpose of this class is to create utility
- Methods to Complete
String getMiddleCharacter(String string)- return character at index
string.length()/2asString.
- return character at index
String capitalizeMiddleCharacter(String string)- return near-identical
Stringwith character at indexstring.length()/2capitalized.
- return near-identical
String lowercaseMiddleCharacter(String string)- return near-identical
Stringwith character at indexstring.length()/2lowercased.
- return near-identical
String invertCasing(String string)- return near-identical
Stringwith each character's casing inverted: Capital letters become lowercase, lowercase letters become lowercase.
- return near-identical
Boolean hasDuplicateConsecutiveCharacters(String string)- return
trueifstringcontains two identical characters in adjacent indices.
- return
Boolean removeDuplicateConsecutiveCharacters(String string)- return near-identical
Stringwith each occurrence of duplicate-adjacent characters removed.
- return near-identical
Boolean isIsogram(String string)- return
trueif eachCharacterinstringoccurs exactly 1 time.
- return
- Description
- The purpose of this class is to create a utility for manipulating arrays.
- Methods to Complete
String getMiddleElement(String[] values)- return the element at index
values.length/2
- return the element at index
String[] removeMiddleElement(String[] values)- return near-identical array with element at index
values.length/2removed.
- return near-identical array with element at index
String getLastElement(String[] values)- return element at index
values.length-1
- return element at index
String[] removeLastElement(String[] values)- return near-identical array with element at index
values.length-1removed.
- return near-identical array with element at index
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