Quick Sort Program in java Code:: import java.util.*; import java.lang.*; import java.io.*; //Quick Sort class Test { public static void main(String[] args){ int[] arr = {8,7,3,4,11,13,14,2,17}; quickSort(arr,0,arr.length-1); for(int i : arr){ System.out.print(i+ " "); } } public static void quickSort(int[] arr,int s,int e){ if(s>=e){ return; } int pIndex = partition(arr,s,e); quickSort(arr,s,pIndex-1); quickSort(arr,pIndex+1,e); } public static int partition(int[] arr,int s,int e){ int pivot = arr[e]; int pIndex = s; for(int i=s;i<=e-1;i++){ if(arr[i] <= pivot){ int temp = arr[i]; arr[i] = arr[pIndex]; arr[pIndex] = temp; pIndex++; } } int temp = arr[e]; arr[e] = arr[pIndex]; arr[pIndex] = temp; return pIndex; } }