Swap max and min in array

import java.io.*;
import java.util.*;

public class Hello{
    public static int getMinIndex(int[] array){
    int minIndex = 0;
    for (int i = 1; i <= array.length - 1; i++){
        if (array[i] < array[minIndex]){
        minIndex = i;
        }
    }
    return minIndex;
    }
    
    public static int getMaxIndex(int[] array){
        int maxIndex = 0;
        for (int i = 1; i<array.length; i++){
            if (array[i] > array[maxIndex]){
                maxIndex = i;
            }
        }
        return maxIndex;
    }
    
    public static int[] swap (int[] array){
        int minIndex = getMinIndex(array);
        int maxIndex = getMaxIndex(array);
        int temp = array[minIndex];
        array[minIndex] = array[maxIndex];
        array[maxIndex] = temp;
        return array;
    }
    
    public static void main (String args[]){
        int[] array = {10,2,30};
        System.out.println(Arrays.toString(swap(array)));
    }
}