Which Pattern is used in the following code? $($check one$)$ class MyClass$1\{$ public void bar$($double lba, int size$)\{$ System.out.print$($lba $+$ size$)$; $\}\}$ class MyClass$2\{$ public void foo$($double lba, int size$)\{$ System.out.print$($lba $*$ size$)$; $\}\}$ class MyClass$3\{$ private MyClass$1$ o$1$; private MyClass$2$ o$2$; public MyClass$3()\{$ this.o$1=$ new MyClass$1()$; this.o$2=$ new MyClass$2()$; $\}$ public void doIt$($double lba, int size$)\{$ o$1.$bar$($lba$,$ size$)$; o$2.$foo$($lba$,$ size$)$; $\}\}$ public class TestRun $\{$ public static void main$($String$[]$ args$)\{$ MyClass$3$ c $=$ new MyClass$3()$; c$.$doIt$(3,3)$; $\}\}$ Command Pattern State Pattern Facade Pattern Composite Pattern Template Pattern Decorator Pattern Adapter Pattern Observer Pattern