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Q   :- How can you limit the number of objects created in java ? Sol :- In the example below MyClass constructor has been used to limit the  number of objects that can be created to 2 by using a count which has been declared static(single copy for all objects of a class).If one tries to create more than 2 objects the constructor will throw an error.  class LimitInstanceOfObject { public static void main(String [] args) throws Exception { MyClass obj1,obj2,obj3,obj4; try { obj1=new MyClass(); obj2=new MyClass(); obj1.fun(); obj2.fun(); } catch(Exception e) { System.out.println(e.getMessage()); } try { obj3=new MyClass(); obj4=new MyClass(); obj3.fun(); obj4.fun(); } catch(Exception e) { System.out.println(e.getMessage()); } } } class MyClass { public static int count=0; public MyClass() throws Exception { if(MyClass.count==2) throw new Exception("Object creation limit exceeded !"); el...