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C# - GC.Collect() Method with Example
In this tutorial, we will learn about the GC.Collect() method with its definition, usage, syntax, and example.
By Nidhi Last updated : April 03, 2023
GC.Collect() Method
The GC.Collect() method is used to execute garbage collection forcefully.
Syntax
void GC.Collect(int genNum);
Parameter(s)
- genNum: The number of the oldest generation to be garbage collected.
Return Value
It does not return any value.
C# program to force an immediate garbage collection
The source code to force an immediate garbage collection is given below. The given program is compiled and executed successfully.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1 {
class Program {
static void Main(string[] args) {
Program pObj = new Program();
GC.Collect(0);
Console.WriteLine("Garbage collection done forcefully");
Console.WriteLine();
}
}
}
Output
Garbage collection done forcefully
Press any key to continue . . .
C# Garbage Collection Programs »
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