From 04e8cc292bd62c277d252b515918d99f6512451c Mon Sep 17 00:00:00 2001
From: Manav Darji <manavdarji.india@gmail.com>
Date: Sat, 5 Oct 2019 03:26:32 +0530
Subject: [PATCH] Added QuickSort Algorithm

---
 data_structures/sortings/QuickSort.java | 52 +++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 data_structures/sortings/QuickSort.java

diff --git a/data_structures/sortings/QuickSort.java b/data_structures/sortings/QuickSort.java
new file mode 100644
index 0000000..782292e
--- /dev/null
+++ b/data_structures/sortings/QuickSort.java
@@ -0,0 +1,52 @@
+// Java program for implementation of QuickSort
+// Referenced from: Geeks for geeks
+
+class QuickSort 
+{ 
+	int partition(int arr[], int low, int high) 
+	{ 
+		int pivot = arr[high]; 
+		int i = (low-1); 
+		for (int j=low; j<high; j++) 
+		{ 
+			if (arr[j] < pivot) 
+			{ 
+				i++; 
+
+				// swapping
+				int temp = arr[i]; 
+				arr[i] = arr[j]; 
+				arr[j] = temp; 
+			} 
+		} 
+
+		int temp = arr[i+1]; 
+		arr[i+1] = arr[high]; 
+		arr[high] = temp; 
+
+		return i+1; 
+	} 
+
+	void sort(int arr[], int low, int high) 
+	{ 
+		if (low < high) 
+		{ 
+			int pi = partition(arr, low, high); 
+			sort(arr, low, pi-1); 
+			sort(arr, pi+1, high); 
+		} 
+	} 
+	
+	public static void main(String args[]) 
+	{ 
+		int arr[] = {10, 7, 8, 9, 1, 5}; 
+		int n = arr.length; 
+
+		QuickSort ob = new QuickSort(); 
+		ob.sort(arr, 0, n-1); 
+		system.out.println("Sorted Arr: ");
+		for (int i=0; i<n; ++i) 
+			System.out.print(arr[i]+" "); 
+		System.out.println(); 
+	} 
+}