Second Largest Element in Java: Explanation & Practice

Problem summary

Write a program that finds the second largest element in an array.

Starter code

public class Main {
    public static void main(String[] args) {
        int[] arr = {12, 35, 1, 10, 34, 1}; // Test case 1
        
        // Find second largest
        // Print: Second largest: <result>
    }
}

Expected output and test cases

• Second largest in array

  Second largest: 34

• From [1,2,3,4,5]

  Second largest: 4

• From [9,9,9,9]

  Second largest: 9

Hints

1. Track both largest and second largest
2. Update both as you iterate
3. Handle duplicates carefully

Related Arrays exercises

• Practice Linear Search in Java
• Practice Reverse Array in Java
• Practice Remove Duplicates in Java

Practice all Arrays exercises · Run this idea in the Java compiler