The weather is good today. Write a rehearsal trainer.

I have been a little lazy recently and haven't written any code for a long time. Now I want to write a quick rehearsal trainer.

Public class quciksort {// here two numbers are exchanged: public static void swap (int A [], int low, int high) {int temp = A [low]; A [low] = A [High]; A [High] = temp;} // partition, divided into two parts: public static int partion (int A [], int low, int high) {swap (A, low, high); int cur = low; int Index = low; while (A [cur] <A [High]) {if (a [cur] <A [High]) {A [index ++] = A [cur] ;}cur ++;} swap (A, index, high); Return Index;} public static void quicksort (int A [], int low, int high) {If (low 
　　
The weather is good today. Write a rehearsal trainer.