Priority Queues with C#: Listing 2.

The Employee class.

public class Employee : IComparable <Employee >
  public string lastName;
  public double priority; // Smaller values are higher priority

  public Employee(string lastName, double priority)
    this.lastName = lastName;
    this.priority = priority;

  public override string ToString()
    return "(" + lastName + ", " + priority.ToString("F1") + ")";

  public int CompareTo(Employee other)
    if (this.priority  < other.priority) return -1;
    else if (this.priority  > other.priority) return 1;
    else return 0;

About the Author

Dr. James McCaffrey works for Microsoft Research in Redmond, Wash. He has worked on several Microsoft products including Azure and Bing. James can be reached at [email protected].

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