![]() ![]() ![]() What is Serialization ? Why do we need it ?Īns. ![]() Which of the following doesn't extend Collection interface ? What is the use of runnable interface if we can always create a new thread using Thread class ? What are Marker Interfaces ? Name few Java marker interfaces ?Ĭan we declare interface methods as private ? What are the different Java Collections Interfaces ? What is the difference between List, Set and Map ? Why do we need Thread class even in case we execute thread using runnable interface ? ![]() Why can't we have diamond problem with interfaces ? What are the different uses of Interfaces in Java ? Like Discuss Correct / Improve java classes abstract class interfaces abstract class vs interface abstract classes vs interfaces Asked in 82 Companies basic frequent Please let us know the company, where you were asked this question : Abstract classes can have both abstract methods ( method declarations ) as well as concrete methods ( inherited to the derived classes ) whereas Interfaces can only have abstract methods ( method declarations ).Ī class can extend single abstract class whereas it can implement multiple interfaces. Differences between abstract class and interface ?Īns. Among first few questions in many interviews. Have been asked in HCL Technologies very frequently ( based on 3 feedback ). Interview Questions and Answers for 'Cricbuzz' - 2 question(s) found - Order By Newest ![]()
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