reverse array in java
int length = array.length;
for(int i=0;i<length/2;i++) {
int swap = array[i];
array[i] = array[length-i-1];
array[length-i-1] = swap;
}
or
Collections.reverse(Arrays.asList(array));reverse array in java
int length = array.length;
for(int i=0;i<length/2;i++) {
int swap = array[i];
array[i] = array[length-i-1];
array[length-i-1] = swap;
}
or
Collections.reverse(Arrays.asList(array));java sort array descending
Integer[] cubes = new Integer[] { 8, 27, 64, 125, 256 };
Arrays.sort(cubes, Collections.reverseOrder());
Read more: https://www.java67.com/2016/07/how-to-sort-array-in-descending-order-in-java.html#ixzz6MX60xZLbsorting array in descending order java
// A sample Java program to sort a subarray
// in descending order using Arrays.sort().
import java.util.Arrays;
import java.util.Collections;
public class SortExample
{
public static void main(String[] args)
{
// Note that we have Integer here instead of
// int[] as Collections.reverseOrder doesn't
// work for primitive types.
Integer[] arr = {13, 7, 6, 45, 21, 9, 2, 100};
// Sorts arr[] in descending order
Arrays.sort(arr, Collections.reverseOrder());
System.out.printf("Modified arr[] : %s",
Arrays.toString(arr));
}
}Copyright © 2021 Codeinu
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