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David Stern #130

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70 changes: 56 additions & 14 deletions src/main/java/com/booleanuk/core/Exercise.java
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Original file line number Diff line number Diff line change
Expand Up @@ -40,78 +40,110 @@ public String sayGoodMorning(boolean isMorning) {
// 1. What will the returned value be if I run sayGoodMorning(false)?
// Change the returned value in the method below to your answer. It is case-sensitive.
public String one() {
return "";
return "Good day!";
}

// 2. What will the output be if I run sayGoodMorning(true)?
// Change the returned value in the method below to your answer. It is case-sensitive.
public String two() {
return "";
return "Good morning!";
}

// 3. What will the output be if I run sayGoodMorning("Hello".equals("Hello"))?
// Change the returned value in the method below to your answer. It is case-sensitive.
public String three() {
return "";
return "Good morning!";
}

// 4. What will the output be if I run sayGoodMorning(!"A word".equals("Another word"))
public String four() {
return "";
return "Good morning!";
}

// 5. What will the output be if I run sayGoodMorning(25 != 25)
public String five() {
return "";
return "Good day!";
}

// 6. Use a conditional statement to return "Correct!" if the input is more than 7
// or "Wrong!" if not
public String six(int num) {
return "Not implemented yet!";
if (num > 7) {
return "Correct!";
} else {
return "Wrong!";
}
}

// 7. Use a conditional statement to return "Correct!" if the input is false
// or "Wrong!" if not
public String seven(boolean bool) {
return "Not implemented yet!";
if (!bool) {
return "Correct!";
} else {
return "Wrong!";
}
}

// 8. Use a conditional statement to return "Correct!" if numOne is more than or equal to numTwo
// or "Wrong!" if not
public String eight(int numOne, int numTwo) {
return "Not implemented yet!";
if (numOne >= numTwo) {
return "Correct!";
} else {
return "Wrong!";
}
}

// 9. Use a conditional statement to return true if the array provided is not empty
// or false if it is empty
public boolean nine(int[] nums) {
return false;
if (nums.length > 0) {
return true;
} else {
return false;
}
}

// 10. Use a conditional statement to return true if the provided string contains the word
// "milk", or false if not
// https://www.w3schools.com/java/java_ref_string.asp
public boolean ten(String sentence) {
return false;
if (sentence.contains("milk")) {
return true;
} else {
return false;
}
}

// 11. Use conditional statements to return the number 3 if the provided string contains
// the word milk. Return the number 6 if the provided string contains the word coffee.
// Return the number 9 if the string contains both coffee and milk.
// Otherwise, return the number 0.
public int eleven(String sentence) {
return -1;
if (sentence.contains("milk") && sentence.contains("coffee")) {
return 9;
} else if (sentence.contains("milk")) {
return 3;
} else if (sentence.contains("coffee")) {
return 6;
} else {
return 0;
}
}

// 12. Use conditional statements to return true if num is more than or equal to lower and is
// less than or equal to upper, otherwise return false.
public boolean twelve(int num, int lower, int upper) {
return false;
if (num <= upper && num >= lower) {
return true;
} else {
return false;
}
}

/*
12. Use conditional statements to return a string based on what the age parameter is.
13. Use conditional statements to return a string based on what the age parameter is.
The table below shows the string that should be returned for each range of values that age can be.

For example: If age is 3, you should return "Toddler"
Expand All @@ -123,6 +155,16 @@ public boolean twelve(int num, int lower, int upper) {
20+ | Adult
*/
public String thirteen(int age) {
return "Not implemented yet!";
if (age >=1 && age <=4) {
return "Toddler";
} else if (age >=5 && age <=12) {
return "Child";
} else if (age >=13 && age <=19) {
return "Teenager";
} else if (age >= 20) {
return "Adult";
} else {
return "Baby";
}
}
}
33 changes: 33 additions & 0 deletions src/main/java/com/booleanuk/extension/Extension.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,9 @@

import com.booleanuk.helpers.ExtensionBase;

import java.util.Arrays;
import java.util.stream.IntStream;

public class Extension extends ExtensionBase {
/* 1.
We're going to improve our cake baking capabilities!
Expand All @@ -13,6 +16,15 @@ public class Extension extends ExtensionBase {
"The cake is still baking!" if there are any remaining minutes left,
and "The timer finished ages ago!" if the remaining minutes is a negative number
*/
public String timerStatus(int minutesLeft) {
if (minutesLeft > 0) {
return "The cake is still baking!";
} else if (minutesLeft == 0) {
return "The cake is ready!";
} else {
return "The timer finished ages ago!";
}
}



Expand All @@ -27,6 +39,12 @@ public class Extension extends ExtensionBase {
If a prep time of 0 is provided, the method should assume each ingredient takes 2 minutes to prepare.
*/

public int estimatePrepTime(String[] ingredients, int prepTime) {
if (prepTime == 0) {
prepTime = 2;
}
return prepTime * ingredients.length;
}


/* 3.
Expand All @@ -41,6 +59,21 @@ public class Extension extends ExtensionBase {
You may need to use programming techniques we have yet to cover in the course to solve this task.
*/

public int calculateGramsOfSugar(String[] ingredients, int numOfLayers) {
if (ingredients.length != 3) {
return -1;
}

int sugarCount = 0;

for (String ingredient : ingredients) {
if (ingredient.equals("sugar")) {
sugarCount++;
}
}

return 100 * sugarCount * numOfLayers;
}



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