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@@ -78,11 +78,23 @@ public class Calculations
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//return result;
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}
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+ public static ArrayList<Double> getNumbers(String userInput){
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+ ArrayList<Double> results = new ArrayList<Double>();
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+ //takes in a string
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+ //finds the first occurence of a number
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+ //store it as a double ( left )
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+ //add this to the arraylist
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+ //find the second occurence of a number
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+ //store it as a double (right)
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+ //add this to the array list
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+ //if the size of the arraylist is 2
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+ //return the array list
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+ //else return null
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+ return results;
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+ }
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+
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public static String Multiply(String userInput)
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{
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- //take in a string
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- //take the numbers out of the string
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- //convert them to doubles
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//perform the operation
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//convert to string
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//return string
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@@ -91,9 +103,6 @@ public class Calculations
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public static String Divide(String userInput)
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{
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- //take in a string
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- //take the numbers out of the string
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- //convert them to doubles
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//perform the operation
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//convert to string
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//return string
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@@ -102,9 +111,6 @@ public class Calculations
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public static String Add(String userInput)
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{
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- //take in a string
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- //take the numbers out of the string
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- //convert them to doubles
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//perform the operation
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//convert to string
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//return string
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@@ -113,9 +119,6 @@ public class Calculations
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public static String Subtract(String userInput)
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{
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- //take in a string
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- //take the numbers out of the string
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- //convert them to doubles
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//perform the operation
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//convert to string
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//return string
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@@ -124,9 +127,6 @@ public class Calculations
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public static String InvertSign(String userInput)
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{
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- //take in a string
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- //take the numbers out of the string
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- //convert them to doubles
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//perform the operation
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//convert to string
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//return string
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@@ -135,9 +135,6 @@ public class Calculations
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public static String InvertNumber(String userInput)
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{
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- //take in a string
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- //take the numbers out of the string
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- //convert them to doubles
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//perform the operation
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//convert to string
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//return string
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@@ -146,11 +143,6 @@ public class Calculations
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public static void Clear()
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{
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- //take in a string
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- //take the numbers out of the string
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- //convert them to doubles
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- //perform the operation
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- //convert to string
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- //return string
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+ //reset the default value to 0
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}
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}
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