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OOAD Interview Questions
Questions Answers Views Company eMail

What are the types of polymorphism?

970

What is inheritance in java?

2 1272

What is abstract method?

992

If there is a conflict between base class method definition and interface default method definition, which definition is picked?

1 1862

Can we have default method with same name and signature in the derived interface as the static method in base interface and vice versa?

1045

What if we make the method as abstract in another interface?

975

What is the @functionalinterface annotation?

946

Can we have a default method definition in the interface without specifying the keyword "default"?

974

What is a nested interface?

1046

If a method definition has been specified in the base class and the interface which the class is implementing, which definition will be picked if we try to access it using interface reference and class object?

974

Can we use static method definitions in interfaces?

1040

Can a class implement two interfaces having default method with same name and signature?

1018

What if we override the conflicting method in the class?

956

Can we override static methods? Why?

955

Can we access interface static method using interface references?

1071


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Un-Answered Questions { OOAD }

A class inherits from 2 interfaces and both the interfaces have the same method name as shown below. How should the class implement the drive method for both car and bus interface?

968


What are the main features of oops?

1105


explain dynamic binding

1030


Is it possible to provide method implementations in java interfaces? If possible, how do we provide them?

950


What is the difference between function overloading and over riding?

1040


What are the properties that are defined in an object model?

976


What do you mean by data hiding?

1123


Explain the usage of encapsulation?

1034


Differentiate between an abstract class and an interface?

992


What is overriding?

1030


What is the best tool for modeling and ORM framework

1041


What is meant by overloading functions and operators?

1067


If a method definition has been specified in class , its base class , and the interface which the class is implementing, which definition will be picked if we try to access it using interface reference and class object?

992


What is abstract method?

992


What is the base type from which all structs inherit directly?

938