Which .Gang of Four. design pattern is shown below?
Submitted by: Administrator<pre> public class A {
private A instance;
private A() {
}
public
static A Instance {
get
{
if ( A == null )
A = new A();
return instance;
}
}
}
</pre>
1. Factory
2. Abstract Factory
3. Singleton
4. Builder
Submitted by: Administrator
private A instance;
private A() {
}
public
static A Instance {
get
{
if ( A == null )
A = new A();
return instance;
}
}
}
</pre>
1. Factory
2. Abstract Factory
3. Singleton
4. Builder
Submitted by: Administrator
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