Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

Can we have static methods in an interface?

1069

What is the difference between a break statement and a continue statement?

1053

What is the collections api?

1066

What is the list interface?

1094

Give a practical example of singleton class usage?

1072

What is currentthread()?

1016

I have multiple constructors defined in a class. Is it possible to call a constructor from another constructor’s body?

1033

Can a variable be local and static at the same time?

1019

What class of exceptions are generated by the java run-time system?

1203

Is there any limitation of using inheritance?

1103

What is nested top-level class?

1053

Can a vector contain heterogenous objects?

1089

List any five features of java?

1040

If system.exit (0); is written at the end of the try block, will the finally block still execute?

1122

What is rmi and steps involved in developing an rmi object?

1088

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Un-Answered Questions { Core Java }

What happens if an exception is throws from an object's constructor?

1151

Define how does a try statement determine which catch clause should be used to handle an exception?

1185

What is lambda in java?

1094

Differentiate between nested and inner class in java.

1019

What is the difference between private & public & friendly classes?

1084

What is the byte order of byte buffer?

1031

What are the 7 types of characters?

1097

What is integer size in java?

1046

Explain about static nested classes in java?

1079

What does exp mean in math?

1009

What do you mean by composition in java?

1042

Can a main method be overloaded?

1039

What is the purpose of the finally clause of a try-catch-finally statement in java programming?

986

What Is Composition?

1084

What is assembly language?

1012

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