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style: make FindMin a proper utilty class #4397

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Merged
merged 2 commits into from
Sep 24, 2023
Merged

style: make FindMin a proper utilty class #4397

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style: make `FindMin` a proper utilty class
vil02 Sep 24, 2023
1d1cc63
Merge branch 'master' into make_FindMin_proper_utility
siriak Sep 24, 2023
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25 changes: 3 additions & 22 deletions src/main/java/com/thealgorithms/maths/FindMin.java
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Original file line number Diff line number Diff line change
@@ -1,26 +1,7 @@
package com.thealgorithms.maths;

import java.util.Arrays;
import java.util.Random;

public class FindMin {

/**
* Driver Code
*/
public static void main(String[] args) {
Random random = new Random();

/* random size */
int size = random.nextInt(100) + 1;
int[] array = new int[size];

/* init array with random numbers */
for (int i = 0; i < size; i++) {
array[i] = random.nextInt() % 100;
}

assert Arrays.stream(array).min().getAsInt() == findMin(array);
public final class FindMin {
private FindMin() {
}

/**
Expand All @@ -30,7 +11,7 @@ public static void main(String[] args) {
* @exception IllegalArgumentException input array is empty
* @return the mimum value stored in the input array
*/
public static int findMin(int[] array) {
public static int findMin(final int[] array) {
if (array.length == 0) {
throw new IllegalArgumentException("array must be non-empty.");
}
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