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GeezerVison is showing github.com — java-basics/java-programs/MaximalSubarray.java at master · learning-zone/java-basics

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MaximalSubarray.java

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MaximalSubarray.java

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package misc;
public class MaximalSubarray {
private static int[] arr = {1, -2, 3, 4, -9, 6};
private int getMaxSubSum(int[] arr) {
int maxSum = 0;
int partialSum = 0;
for(int i = 0; i < arr.length; i++) {
partialSum += arr[i];
maxSum = Math.max(maxSum, partialSum);
if(partialSum < 0) {
partialSum = 0; // Zero if negative
}
}
return maxSum;
}
public static void main(String[] args) {
MaximalSubarray obj = new MaximalSubarray();
int sum = obj.getMaxSubSum(arr);
System.out.println("Sum: "+sum); // 3 + 4 = 7
}
}
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