From 183a3a660ea4471b84118bdc8f774b3ae6912085 Mon Sep 17 00:00:00 2001
From: Aayush Jain <jaayush014@gmail.com>
Date: Sat, 10 Apr 2021 01:08:44 +0530
Subject: [PATCH] Add Kadane's Algorithm to Java (#149)
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* Kadane’s Algorithm

* Update README.md

* Kadane's Algorithm
---
 arrays/README.md                   |  1 +
 arrays/java/Kadanes_Algorithm.java | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 arrays/java/Kadanes_Algorithm.java

diff --git a/arrays/README.md b/arrays/README.md
index cb320b45..2120f48a 100644
--- a/arrays/README.md
+++ b/arrays/README.md
@@ -19,3 +19,4 @@
 ### Java
 
 1. [Counting Inversions](java/count-inversions.java)
+2. [Kadane's Algorithm](java/Kadanes_Algorithm.java)
diff --git a/arrays/java/Kadanes_Algorithm.java b/arrays/java/Kadanes_Algorithm.java
new file mode 100644
index 00000000..01021467
--- /dev/null
+++ b/arrays/java/Kadanes_Algorithm.java
@@ -0,0 +1,30 @@
+// Java program to print largest contiguous array sum
+
+import java.io.*;
+import java.util.*;
+ 
+class Kadane
+{
+    public static void main (String[] args)
+    {
+        int [] a = {-2, -3, 4, -1, -2, 1, 5, -3};
+        System.out.println("Maximum contiguous sum is " +
+                                       maxSubArraySum(a));
+    }
+ 
+    static int maxSubArraySum(int a[])
+    {
+        int size = a.length;
+        int max_so_far = Integer.MIN_VALUE, max_ending_here = 0;
+ 
+        for (int i = 0; i < size; i++)
+        {
+            max_ending_here = max_ending_here + a[i];
+            if (max_so_far < max_ending_here)
+                max_so_far = max_ending_here;
+            if (max_ending_here < 0)
+                max_ending_here = 0;
+        }
+        return max_so_far;
+    }
+}