Program to find second largest number from set of array

Question

Accepted Answer

Program to find second largest number from set of array

Sort the array in descending order
Return the second element of the sorted array

Accepted Answer

Explanation: The largest element of the array is 35 and the second largest element is 34

Input: arr[] = {10, 5, 10}
Output: The second largest element is 5.
Explanation: The largest element of the array is 10 and the second largest element is 5

Input: arr[] = {10, 10, 10}
Output: The second largest does not exist.
Explanation: Largest element of the array is 10 there is no second largest element

Accepted Answer

public class Tester {
   public static int getSecondLargest(int[] a) {
      int temp;
      //sort the array
      for (int i = 0; i < a.length; i++) {
         for (int j = i + 1; j < a.length; j++) {
            if (a[i] > a[j]) {
               temp = a[i];
               a[i] = a[j];
               a[j] = temp;
            }
         }
      }
      //return second largest element
      return a[a.length - 2];
   }
   public static void main(String args[]) {
      int a[] = { 11,10,4, 15, 16, 13, 2 }; //Any given array
      System.out.println("Second Largest: " +getSecondLargest(a));
   }
}

Program to find second largest number from set of array

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