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Решил тесты #85

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73 changes: 62 additions & 11 deletions src/main/java/com/epam/izh/rd/online/service/SimpleMathService.java
Original file line number Diff line number Diff line change
@@ -1,5 +1,8 @@
package com.epam.izh.rd.online.service;

import java.util.Arrays;
import java.util.OptionalInt;

public class SimpleMathService implements MathService {

/**
Expand All @@ -13,7 +16,15 @@ public class SimpleMathService implements MathService {
*/
@Override
public int compare(int value1, int value2) {
return -2;
if (value1 < value2) {
return -1;
} else {
if (value1 > value2) {
return 1;
} else {
return 0;
}
}
}

/**
Expand All @@ -22,7 +33,7 @@ public int compare(int value1, int value2) {
*/
@Override
public int maxFrom(int value1, int value2) {
return -1;
return Math.max(value1, value2);
}

/**
Expand All @@ -31,7 +42,8 @@ public int maxFrom(int value1, int value2) {
*/
@Override
public int maxFrom(int[] values) {
return -1;
OptionalInt max = Arrays.stream(values).max();
return max.getAsInt();
}

/**
Expand All @@ -40,7 +52,7 @@ public int maxFrom(int[] values) {
*/
@Override
public int sum(int[] values) {
return -1;
return Arrays.stream(values).sum();
}

/**
Expand All @@ -49,7 +61,21 @@ public int sum(int[] values) {
*/
@Override
public int[] getEvenDigits(int[] values) {
return new int[]{};
int j = 0;
for (int i = 0; i < values.length; i++) {
if (values[i] % 2 == 0) {
j++;
}
}
int[] sortedArray = new int[j];
j = 0;
for (int i = 0; i < values.length; i++) {
if (values[i] % 2 == 0) {
sortedArray[j] = values[i];
j++;
}
}
return sortedArray;
}

/**
Expand All @@ -59,7 +85,11 @@ public int[] getEvenDigits(int[] values) {
*/
@Override
public long calcFactorial(int initialVal) {
return -1L;
int result = 1;
for (int i = 1; i <= initialVal; i++) {
result = result * i;
}
return result;
}

/**
Expand All @@ -74,16 +104,24 @@ public long calcFactorial(int initialVal) {
*/
@Override
public long calcFibonacci(int number) {
return -1L;
}
if (number == 0) {
return 0;
} else if (number == 1) {
return 1;
} else {
return calcFibonacci(number - 1) + calcFibonacci(number - 2);
}
}


/**
* Метод возвращает отсортированный по возрастанию массив.
* Например для массива {-1, -3, 4, 8, 5, 22, -5} метод должен вернуть {-5, -3, -1, 4, 5, 8, 22}
*/
@Override
public int[] sort(int[] values) {
return new int[]{};
Arrays.sort(values);
return values;
}

/**
Expand All @@ -94,7 +132,14 @@ public int[] sort(int[] values) {
*/
@Override
public boolean isPrimary(int number) {
return false;
int i;
boolean result = true;
for (i=2; i <= number/2; i++) {
if ((number % i) == 0) {
result = false;
}
}
return result;
}

/**
Expand All @@ -104,6 +149,12 @@ public boolean isPrimary(int number) {
*/
@Override
public int[] reverseArray(int[] values) {
return new int[]{};
int size = values.length;
for (int i = 0; i < size / 2; i++) {
int temp = values[i];
values[i] = values[size - 1 - i];
values[size - 1 - i] = temp;
}
return values;
}
}