SmallClass1.java

public class SmallClass1 {
	private Collaborator collaborator1;		
	public void doSomething(){
		...
	}
}
public class SmallClass2 {
	private Collaborator collaborator2;		
	public void doSomething(){
		...
	}
}
public class SmallClass3 {
	private Collaborator collaborator3;		
	public void doSomething(){
		...
	}
}
public class SmallClass4 {
	private Collaborator collaborator4;
	public void doSomething(){
		...
	}
}
public class SmallClass5 {
	private Collaborator collaborator5;		
	public void doSomething(){
		...
	}
}