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Update SingletonPattern #2

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Update SingletonPattern #2

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6 changes: 5 additions & 1 deletion SingletonPattern/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,8 @@ namespace SingletonPattern
public class President
{
static President instance;
static readonly object _lock = new object();

// Private constructor
private President()
{
Expand All @@ -15,7 +17,9 @@ private President()
public static President get_instance()
{
if (instance == null) {
instance = new President();
lock(_lock){
instance = new President();
}
}
return instance;
}
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