Friday 25 August 2017

Java Code to find the maximum absolute difference between adjacent pairs of elements in an array of n elements

Problem:

Design and implement an algorithm to find the maximum absolute difference between adjacent pairs of elements in an array of n elements.

Solution:

package array.programs;

import java.util.Scanner;

public class MaxDifferenceOfAdjacentPairs {

int[] numbers;
int n;
int maxDiff;

public static void main(String[] args) {
MaxDifferenceOfAdjacentPairs maxDifferenceOfAdjacentPairs = new MaxDifferenceOfAdjacentPairs();
maxDifferenceOfAdjacentPairs.initializeTheArray();
maxDifferenceOfAdjacentPairs.findMaxDifferenceOfAdjacentPairs();
}

public void initializeTheArray(){
Scanner scanner = new Scanner(System.in);
System.out.println("enter n value");
n = scanner.nextInt();
numbers = new int[n];
for (int i = 0; i < numbers.length; i++) {
System.out.println("enter number");
numbers[i] = scanner.nextInt();
}
scanner.close();
}

public void findMaxDifferenceOfAdjacentPairs(){
maxDiff = 0;
int diff = 0;
for (int i = 0; i < numbers.length - 1; i++) {
diff = Math.abs(numbers[i] - numbers[i+1]);
if(diff > maxDiff){
maxDiff = diff;
}
}
System.out.println("the maximum difference is " + maxDiff);
}

}


Output:
enter n value
3
enter number
12
enter number
34
enter number
3
the maximum difference is 31


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