secondLargest.java

import java.util.Scanner;

public class secondLargest {

	public static void main(String[] args) {
		Scanner scn = new Scanner (System.in);
		System.out.print("Enter no. of elements to store in array:");
 int n = scn.nextInt(); 
		int array[] = new int[n];
 System.out.println("Enter array elements:");
		for (int i = 0; i < array.length; i++)
		{
			array[i] = scn.nextInt();
		}
 
		int largest1, largest2, temp;
		largest1 = array[0];
		largest2 = array[1];
 
		if (largest1 < largest2)
		{
			temp = largest1;
			largest1 = largest2;
			largest2 = temp;
		}
 
		for (int i = 2; i < array.length; i++)
		{
			if (array[i] > largest1)
			{
				largest2 = largest1;
				largest1 = array[i];
			}
			else if (array[i] > largest2 && array[i] != largest1)
			{
				largest2 = array[i];
			}
		}
		System.out.println("The First largest is " + largest1);
		System.out.println("The Second largest is " + largest2);
	}
}