Answered: Complete the following method in java…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Complete the following method in java that takes an array and a key(int value) that traverses the input parameter array with a nested for loop and finds the number of pairs of the numbers in the array that add up to the val(key) parameter.

I'm not sure if this is correct:

public static int nestedLoopsTwoSum(int[] X, int val) {
int count = 0;
for (int i = 0; i < X.length; i++)
{
int k;
for (k = 0; k < i ; k++)
{
if ((X[i] + X[k]) == val)
{
count++;
}

}
}
return count;
}

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