compare

Comparison compare(T obj)

Parameters

obj

The object to compare to.

Defines how objects can be compared (with a "less than", "greater than", or "equal to" relationship).

Only objects that can be compared can be sorted.

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import System;   class Employee : IComparable<Employee> {     private unsigned int age;     private string firstName;     private string lastName;       public Employee(string firstName, string lastName, unsigned int age) {         this.firstName = firstName;         this.lastName  = lastName;         this.age       = age;     }       public Comparison compare(Employee that) {         // Sort by employee age using System.UInteger32.compare         return this.age.compare(that.age);     } }   Employee john = new Employee("John", "Smith", 52); Employee jane = new Employee("Jane", "Doe", 32);   if (john.compare(jane) == Comparison.GREATER_THAN) {     Console.log("John is older than Jane."); }