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find the second largest number in an arrya in java

sam9934 answered on August 12, 2022 Popularity 7/10 Helpfulness 3/10

answer find the second largest number in an arrya in java

related second largest number in array in java

find the second largest number in an arrya in java

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public class SecondLargestNumber {
  //saiyam9934

    public static int findSecondLargest(int[] arr) {
        if (arr == null || arr.length < 2) {
            throw new IllegalArgumentException("Array must contain at least two elements");
        }

        int largest = Integer.MIN_VALUE;
        int secondLargest = Integer.MIN_VALUE;

        for (int num : arr) {
            if (num > largest) {
                secondLargest = largest;
                largest = num;
            } else if (num > secondLargest && num != largest) {
                secondLargest = num;
            }
        }

        if (secondLargest == Integer.MIN_VALUE) {
            throw new IllegalArgumentException("There is no second largest element in the array");
        }

        return secondLargest;
    }

    public static void main(String[] args) {
        int[] arr = {5, 10, 2, 8, 15};
        System.out.println("Second largest number: " + findSecondLargest(arr));
    }
}

Popularity 7/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: find java

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Contributed on Feb 13 2024

sam9934

0 Answers Avg Quality 2/10

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second largest number in array in java

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-1

import java.util.*;
public class FindSecondLargest {

    static int findSecondLargest(int a[], int n) {

        /*
        First, sort the array and find the first_largest element present in the array (at the last position).
        */
        Arrays.sort(a);

        /*
        Now for the second_largest element, we need to start from second last element as the largest element is at last.
        */
        int second_largest = 0;
        for (int i = n - 2; i >= 0; i--)
        {
            /*
            If the last and second last element are equal then check the previous one else return the second last element.
            */
            if (a[i] != a[n - 1])
            {
                second_largest = a[i];
                break;
            }
        }

        return second_largest;
    }

    public static void main(String[] args) {
        int a[] = { 12, 35, 1, 10, 34, 1 };
        int n = a.length;

        int answer = findSecondLargest(a, n);

        System.out.println("The second largest element in the array is: " + answer);

    }
}

Popularity 9/10 Helpfulness 4/10 Language java

Source: www.codingninjas.com

Tags: java

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Contributed on Aug 12 2022

Prickly Pigeon

0 Answers Avg Quality 2/10

find the second largest number in an arrya in java

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find the second largest number in an arrya in java

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second largest number in array in java

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