Try It Yourself - SyntaxStudy Editor

HTML / CSS / JS

// Explicit interface implementation

public interface IPrinter
{
    void Print(string content);
}

public interface ILogger
{
    void Print(string message); // same name as IPrinter.Print
}

public class Device : IPrinter, ILogger
{
    // Implicit — accessible via Device reference
    public void Print(string content)
        => Console.WriteLine($"[PRINTER] {content}");

// Explicit — only accessible via ILogger reference
    void ILogger.Print(string message)
        => Console.WriteLine($"[LOG] {message}");
}

var device = new Device();
device.Print("Hello");               // [PRINTER] Hello

IPrinter printer = device;
printer.Print("Document");           // [PRINTER] Document

ILogger logger = device;
logger.Print("Error occurred");      // [LOG] Error occurred

// Practical example: explicit IComparable for custom sort order
public class Employee : IComparable<Employee>, IComparable
{
    public string Name { get; }
    public decimal Salary { get; }

public Employee(string name, decimal salary) { Name = name; Salary = salary; }

// Implicit — primary sort: by salary descending
    public int CompareTo(Employee? other) =>
        other is null ? 1 : other.Salary.CompareTo(Salary);

// Explicit — legacy non-generic interface
    int IComparable.CompareTo(object? obj) =>
        obj is Employee e ? CompareTo(e) : throw new ArgumentException("Not an Employee");
}

var team = new List<Employee>
{
    new("Alice", 80000), new("Bob", 95000), new("Carol", 72000)
};
team.Sort();
team.ForEach(e => Console.WriteLine($"{e.Name}: ${e.Salary}"));