Can overloaded methods have different access modifiers?
Using the same method name but with different arguments is called overloading. Overloaded Methods may have different access modifiers. Overloaded Methods may throw different exception broader or narrow no restriction. Methods from the superclass can also be overloaded in a subclass.
Can you overload methods of different classes?
Overloading can happen in same class as well as parent-child class relationship whereas overriding happens only in an inheritance relationship.
What is the rule of access modifiers while overriding methods?
Yes, an overridden method can have a different access modifier but it cannot lower the access scope. Methods declared public in a superclass also must be public in all subclasses. Methods declared protected in a superclass must either be protected or public in subclasses; they cannot be private.
Can We overload a method based on different return type but same?
No, you cannot overload a method based on different return type but same argument type and number in java. In overloading it is must that the both methods have −
Which is the name of the operation in UML?
The operation-name is the name of the operation. The parameter-list is a list of parameters of the operation in the following format: The parm-name is name of the parameter. The type-expression is an expression that specifies the type of the parameter.
What is the ARG list in UML class diagram?
The arg list is a list of parameter types (e.g., int, double, String ); parameter names are not included in the UML class diagram Methods that don’t return a value (i.e. void methods) should give a return type of void
When do you USE Method overloading in Java?
When a class has two or more methods by the same name but different parameters, at the time of calling based on the parameters passed respective method is called (or respective method body will be bonded with the calling line dynamically). This mechanism is known as method overloading.