NAILED IT!

TestAssessment/TestViewController.m

@@ -19,39 +19,54 @@ @implementation TestViewController
     This method should return any negative NSInteger
     (hint: cannot be 0)
  */
-- (void)shouldReturnANegativeNSInteger {
+- (NSInteger)shouldReturnANegativeNSInteger {
 
+    NSInteger number=-5;
+
+    return number;
 }
 
 /*
     This method should return any positive CGFloat
     (hint: cannot be 0)
  */
-- (void)shouldReturnAPositiveCGFloat {
+- (CGFloat)shouldReturnAPositiveCGFloat {
+
+    CGFloat yaMamma= 4.5;
 
+    return yaMamma;
 }
 
 /*
     This method should return a truthy boolean
     Truthy: Something which evaluates to TRUE.
  */
-- (void)shouldReturnAPositiveBool {
+- (BOOL)shouldReturnAPositiveBool {
 
+    BOOL accioPositivity=YES;
+
+    return accioPositivity;
 }
 
 /*
     This method should return any single char from c - l
  */
-- (void)shouldReturnACharCtoL {
-
+- (char)shouldReturnACharCtoL {
+    char letter= 'e';
+    return letter;
 }
 
 /*
-    This method should return the product of all numbers from
+    This method should return the sum of all numbers from
     0 - 1000 using a loop (eg. 1 + 2 + 3 + ... + 998 + 999)
  */
 - (NSInteger)shouldReturnSumOf0To1000 {
-    return 0;
+    NSInteger sum= 0;
+
+    for(NSInteger counter=0;counter<=1000;counter++){
+        sum=sum+counter;
+    }
+    return sum;
 }
 
 /*
@@ -60,7 +75,14 @@ Given a c array (int[]) and a count, return the average of the numbers within th
  */
 - (NSInteger)shouldReturnAverageOfArrayValues :(int *)arr
                                  withSize:(int)count {
-    return 0;
+    int sum=0;
+    for(int counter=0;counter<=count-1; counter++){
+
+        sum=sum+arr[counter];
+    }
+
+    int average= sum/count;
+    return average;
 }
 
 /*
@@ -70,7 +92,14 @@ Provided a C string (array of chars), return the character
     (hint: assume there will be a char after g)
  */
 - (char)shouldReturnCharAfterG:(char *)str {
-    return '\0';
+
+    int counter=0;
+
+    while (str[counter]!='g') {
+        counter++;
+    }
+
+    return str[counter+1];
 }
 
 /*
@@ -79,52 +108,88 @@ - (char)shouldReturnCharAfterG:(char *)str {
  */
 - (NSInteger)productOfAnInteger:(NSInteger)aNumber
               andAnotherInteger:(NSInteger)bNumber {
-    return 0.0;
+
+
+
+    NSInteger product=aNumber*bNumber;
+    return product;
 }
 
 
 /*
     This method should return a YES if aNumber is Even
  */
 - (BOOL)isEven:(NSInteger)aNumber {
+
+
+
+    if (aNumber%2==0) {
+        return YES;
+    }
+    else{
     return NO;
+    }
 }
 
 /*
     This method should return YES if aNumber is a multiple of 10
  */
 - (BOOL)isMultipleOfTen:(NSInteger)aNumber {
-    return NO;
+
+    if (aNumber%10==0) {
+        return YES;
+    }
+    else{
+        return NO;
+    }
 }
 
 /*
     This method should return YES is aNumber is odd and bNumber is even
  */
 - (BOOL)returnYesIfThisNumberIsOdd:(NSInteger)aNumber
                andThisNumberIsEven:(NSInteger)bNumber {
-    return NO;
+
+
+    if (aNumber%2!=0 && bNumber%2==0) {
+        return YES;
+    }
+    else{
+        return NO;
+    }
 }
 
+
+
 /*
     This method should return the model of the Car
     (hint: command + click on the class name to see what methods are available)
  */
 - (NSString *)shouldReturnCarModel:(Car *)car {
-    return @"";
+
+   NSString* nameOfModel= [car model];
+
+    return nameOfModel;
 }
 
 /*
     This method should change the model of the car to "Firebird"
  */
 - (void)changeCarModelToFirebird:(Car *)car {
+
+    [car setModel:@"Firebird"];
+
 }
 
 /*
     This method should ask the car to drive 4 miles and then return
     the car's current fuel level
  */
 - (CGFloat)tellCarToDrive4MilesAndReturnFuelLevel:(Car *)car {
-    return 0.0;
+
+    [car drive:4];
+    float currentFuelLevel=[car fuelLevel];
+    return currentFuelLevel;
 }
 
 /*
@@ -133,13 +198,35 @@ - (CGFloat)tellCarToDrive4MilesAndReturnFuelLevel:(Car *)car {
     2) Set the model to "Honda Pilot" WATCH YOUR SPELLING
     3) Drive the car 6 miles
     4) Return the car
+ /n
  */
 - (Car *)createAndReturnANewCar {
-    return [[Car alloc] init];
+
+    Car* newCar= [[Car alloc] init];
+    [newCar setModel:@"Honda Pilot"];
+    [newCar drive:6];
+
+    return newCar;
 }
 
 - (int)returnSumOfAllItemsGreaterThan100:(int *)arr withSize:(int)size {
-    return 0;
+
+    int overOneHundred=0;
+    int counter=0;
+
+    while(counter<=size-1){
+        if(arr[counter]>=100){
+        overOneHundred=overOneHundred+arr[counter];
+        }
+        else{
+            counter++;
+            continue;
+        }
+        counter++;
+    }
+
+
+    return overOneHundred;
 }
 
 @end