Priority Queue with Custom Order in Java: Explanation & Practice

Problem summary

Create a PriorityQueue that orders tasks by priority (lower number = higher priority).

Starter code

import java.util.*;

// Task with name and priority

public class Main {
    public static void main(String[] args) {
        // Add tasks and process in priority order
    }
}

Expected output and test cases

• Priority order

  Urgent
  Normal
  Low

• 4 priorities

  Critical
  High
  Medium
  Low

• Single task

  Only

Hints

1. PriorityQueue with Comparator
2. Compare by priority field
3. poll() returns highest priority

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• Practice Two Sum with HashMap in Java

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