8000 Completed Excercise 001 by elenanikolova190 · Pull Request #1 · techreturners/java_coding_exercises · GitHub
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Completed Excercise 001 #1

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Completed Excercise 001 #1

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44 changes: 33 additions & 11 deletions src/main/java/com/techreturners/exercise001/Exercise001.java
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Original file line number Diff line number Diff line change
@@ -1,26 +1,48 @@
package com.techreturners.exercise001;

import java.util.List;
import java.lang.Math;


public class Exercise001 {
public String capitalizeWord(String word) {
// Add your code here
return "";
public String capitalizeWord(final String word) {
final String cap = word.substring(0, 1).toUpperCase() + word.substring(1);
return cap;
}

public String generateInitials(String firstName, String lastName) {
return "";
public String generateInitials(final String firstName, final String lastName) {
final String initials = firstName.substring(0, 1).toUpperCase() + "." + lastName.substring(0, 1).toUpperCase();
return initials;
}

public double addVat(double originalPrice, double vatRate) {
return 0.0;
public double addVat(final double originalPrice, final double vatRate) {
final double finalPrice = originalPrice + originalPrice * vatRate / 100;
return Math.floor(finalPrice*100)/100;
}

public String reverse(String sentence) {
return "";
public String reverse(final String sentence) {
char[] tempArray = sentence.toCharArray();
int left, right = 0;
right = tempArray.length - 1;

for(left = 0; left < right; left++, right--){
char temp = tempArray[left];
tempArray[left] = tempArray[right];
tempArray[right] = temp;
}

String str = new String(tempArray);
return str;
}

public int countLinuxUsers(List<User> users) {
return 0;
public int countLinuxUsers(final List<User> users) {
int occurrences = 0;

for(User user : users){
if(user.getType().equals("Linux")){
occurrences++;
}
}
return occurrences;
}
}
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