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style: make FindMax a proper utilty class (#4398)

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Piotr Idzik 2023-09-24 10:25:19 +02:00 committed by GitHub
parent ad4be217d4
commit fa77b50ef9
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1 changed files with 3 additions and 22 deletions
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25
src/main/java/com/thealgorithms/maths/FindMax.java
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@ -1,26 +1,7 @@
package com.thealgorithms.maths;
import java.util.Arrays;
import java.util.Random;
public class FindMax {
/**
* 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).max().getAsInt() == findMax(array);
public final class FindMax {
private FindMax() {
}
/**
@ -30,7 +11,7 @@ public class FindMax {
* @exception IllegalArgumentException input array is empty
* @return the maximum value stored in the input array
*/
public static int findMax(int[] array) {
public static int findMax(final int[] array) {
if (array.length == 0) {
throw new IllegalArgumentException("array must be non-empty.");
}