1. Methods can be overloaded with a difference only in the type of the return variable.   True   False   2. Java does not allow a method with the same signature in a subclass, as a method in the super class.   True   False   3. Each method in a class must have a unique name.   True   False   4. When a method or a variable in a class is declared as private, it can only be accessed by the methods within the same class.   True   False   5. The return value from a method must always match the declared return type.   True   False   6. A method in a class declared as static may be invoked simply by using the name of the method alone.   True   False   7. When an instance of a class, or object, is specified as a parameter to a method, a reference to the said object is passed to the method.   True   False