015-004-007
Type-based Filtering with ArrayList
Hard
Problem Description
Type-based Filtering with ArrayList
Learning Objective: Understand how to filter elements in ArrayList by type using instanceof
Overview
Create a program that extracts and counts only specific child class elements from parent class type ArrayList.
Specifications
- Define Employee class and its subclasses Manager, Developer
- Add various employees to ArrayList
- Count Developers using instanceof
Output Format
Total employees: 4
Developers: 2
Ready to Try Running Code?
Log in to access the code editor and execute your solutions for this problem.
Don't have an account?
