Explain implicit and explicit type conversion.

Beginner

Answer

Implicit Conversion:

  • Automatic conversion by compiler
  • No data loss
  • Smaller to larger types
    Explicit Conversion:
  • Manual conversion using cast operator
  • Potential data loss
  • Larger to smaller types or incompatible types
// Implicit conversion
int intValue = 123;
double doubleValue = intValue; // Automatic conversion
// Explicit conversion
double largeValue = 123.456;
int smallValue = (int)largeValue; // Manual cast, loses decimal part
// Using Convert class
string numberString = "123";
int convertedValue = Convert.ToInt32(numberString);