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OOAD Interview Questions
Questions Answers Views Company eMail

What are the types of polymorphism?

968

What is inheritance in java?

2 1269

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 1860

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

1043

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

975

What is the @functionalinterface annotation?

945

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?

973

Can we use static method definitions in interfaces?

1040

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

1017

What if we override the conflicting method in the class?

954

Can we override static methods? Why?

952

Can we access interface static method using interface references?

1070


Post New OOAD Questions

Un-Answered Questions { OOAD }

What is diamond inheritance problem? How java 8 solves this problem?

1063


Explain about the analysis phase?

987


Explain about multiple inheritance?

1060


What are the interfaces you used in beans?

1022


Explain what you understand by function overloading.

969


Can you explain primordial class loader?

930


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?

990


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?

973


What is dynamic or run time polymorphism?

1021


Define exceptions?

930


Explain colloboration

1063


How will you define abstract classes?

1021


What is bootstrap, extension and system class loader? Or can you explain primordial class loader?

1000


What do you mean by "explicitly implemeting an interface". Give an example?

1014


How a program can be structured using the concept of object oriented programming?

1123