Unity Debug.Log() vs print() | C# Object type | Boxing & Unboxing in C# - Unity C# Scripting 03

Опубликовано: 30 Сентябрь 2024
на канале: ChidresTechTutorials

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Unity Debug.Log() vs print() | C# Object type | Boxing & Unboxing in C# - Unity C# Scripting 03
Notes for You::
0:00:55 Understand Unity print( ) function:    • Unity Debug.Log() vs print() | C# Obj...

Example Code:
using UnityEngine;

public class FirstScript : MonoBehaviour
{
// Start is called before the first frame update
void Start()
{
print("Hello Unity");
}

}
print() :
- Logs message to the Unity Console (identical to Debug.Log() method).

Syntax of print()function: In MonoBehaviour class
public static void print(object message) // method header
{
Debug.Log(message); // method body
}
where:
print- is a function name
void- is the return type
static- indicates it is an classmember
public - indicates it can be accessed globally
message - is a parameter of type object

0:04:00 Understand Object type in C#:   • Unity Debug.Log() vs print() | C# Obj...

object:
- is a reference type can hold any type of data, by default null.

message:
- is a memory location, a box to hold a value

using UnityEngine;
public class FirstScript : MonoBehaviour
{
void Start()
{
object wish = "Hello Unity"; // can hold string
print(wish);

object num = 22; // can hold integer
print(num);
}
}

0:12:06 Understand Boxing and Unboxing in C#:    • Unity Debug.Log() vs print() | C# Obj...

Boxing :
- wrapping a primitive data into an object

Un-Boxing :
- unwrapping primitive data from an object

using UnityEngine;
public class FirstScript : MonoBehaviour
{
void Start()
{
// boxing : storing primitive data into an object
object message = 22; // object can hold anything

// unboxing : getting primitive data out of an object
// int num = message; // error: Cannot implicitly convert type object to int
int num = (int)message; // using typecasting
print(num);
}
}

0:22:30 Understand Unity Debug.Log( ) method:   • Unity Debug.Log() vs print() | C# Obj...

Example Code:
using UnityEngine;
public class FirstScript : MonoBehaviour
{
void Start()
{
Debug.Log("Hello Unity");
}
}

Debug.Log() :
- Logs message to the Unity Console.

Log() method syntax: In Debug class
public static void Log(object message)
{
Debug.Interna_Log(0,(message==null) ? "Null" :message.ToString(),null);
}
where
Debug.Interna_Log
- is actually responsible for displaying message to the Console panel.
- if message is equal to null then displays Null on the Console else converts the message to string and displays it.

Note: It is recommended to use Debug.Log() method instead of using print() function.

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